Now remove the housing by rotating it at a 90-degree angle. If you want to know how to fix the flashing light, be aware that one flashing light on your Rheem Water heater indicates that either the water heater has no access to the water supply of the unit or that there is no water at all available in the entire water heater unit. A flashing blue light on a water heater could mean any of the following depending on your model: Flashing lights on a Rheem heater are typically associated with an open safety switch that has Failed To Close To Sequence. In cases where the light flashes four times every three seconds, the tank temperature is too high. You may need to press the button a few times if your heater is older (you'll hear a clicking sound every time it's pressed). Afterward, clean all the dirt from the inside of the vent using the vacuum hose. Now lets know the major reasons behind low thermopile voltage from below: Rheem water heater 4 flashes signify high temperature shut down on the water heater. First, reset the gas valve on the Rheem water heater. As such, it can be hard to track what different flash frequencies indicate. Turn the pilot knob to the OFF position. Next, turn the water temperature down counterclockwise to the lowest setting possible. Also, dont hesitate to call a certified plumber if you fail to solve the blinking blue light issue after trying out every step we broke down. How To Fix Dyson Flashing Red Light 4 Times, Rheem Water Heater Red Light Flashing 7 Times [8 Easy Fixes], How To Replace Your Rheem Water Heater Gas Control Valve, How To Clean Your Rheem Water Heater Burner Orifice, How To Clean Your Rheem Water Heater Air Intake. Unscrew the old pressure switch and screw in the new one. After fixing the gas vapor leak, you can turn back your gas valve on. Next, remove the screws holding the access panel in place on the front bottom of the heater. Why is my gas Rheem water heater not heating? Step 2:Now look for the dirt or dust build-up within the thermocouple. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. It is so that the upward draft can be established and gasses can easily go through the vent. The consent submitted will only be used for data processing originating from this website. Interchangeability among power tools and batteries is complicated because you cant trust the manufacturers to tell you the truth. Finally, if none of these outer connections seem to be the problem, the leakage is probably sourced from the inner tank. Dont forget to ask the technician to check for sediment at the bottom. Single Blue Light Flashes Mean Your Rheem Water Heater Is Functioning Normally, 2. In this case, the status light will flicker blue light 8 times. Then, clean the scale deposits and debris from the burner assembly and its parts. Anyway, blocked vents create a malfunction in the thermocouple of your water heater. And while pressing the button, hold the gas knob down until the pilot ignites. The orange flame eventually turns blue. And then take it out of your water heater. COPYRIGHT 2023. The solution to this issue is simple. Luckily, this part is fairly inexpensive and can be replaced in no time. The most common codes include Codes 5, 11, 13, and 29. Rheem Water Heater Red Light Flashing 4 times [High-Temperature Shutdown], 4. Your units status lights may follow a different scheme from this one. During cleaning, verify if there is any sign of damage in it or not. After completing the cleaning, wait to dry out all the parts in an assembly. Here look for broken or burst-out glass vial of TRD. If your Rheem water heater is flashing white light, it shows that your pilot light is out and the water will still be cold. Next, light and extinguish a match. 3). Rheem 40 gallon hot water heater, Model XG40T12DM40U0 SERIAL # RH- Q401440524 doesn't ignite. Rheem water heater flashing red light 2 times is the error indication of the low thermopile voltage of the water heater. Also, you can use the plumber snake. Hold it near the base of the vent pipe. Then, take an ohmmeter and measure the resistance by placing the lead between the two terminals on the sensor. Without proper insulation, the water heater will expend more energy than normal to heat the water. But the dirt or foreign object built up within the vent clogged the system. If you dont have propane, get more propane. If it is bent or damaged, ask a technician to repair it. The reasons for the issue can range from gas supply problems to electrical or temperature regulation issues. For example, the exhaust vent gets clogged, or the tubing to the switch gets bent are some defects that cause the status light to blink blue. If the pilot won't ignite, you may need to reach out to an HVAC technician for assistance, as there could be an issue with the unit. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. Debris in the pilot tube is restricting the flow of gas. Learn more, Facebook II Twitter II Pinterest II Linkedin. Besides, igniter wires issues and a faulty or tripped thermal switch are other two culprits that prevent the status light from flickering. Lack of proper maintenance or cleaning is also responsible for the clog in the vent. Our website is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. If it tripped, reset it. Then, my first suspicion goes to the exhaust vent. The reading should be between 0 to 0.1. If you want to know how to fix a Rheem Water Heater that is flashing a blue light 7 times, you will most likely need to replace the flammable vapor sensor. Replace it. 1. Rheem Water Heater Light is not blinking because of the turned off combination gas control, pilot is not lit, and insufficient power supply. The FV sesor generate error code can that can easily be reset you water. Eight flashes (followed by four flashes and a three-second pause) reveal a fault in the gas valve. The solid red light is an Alert, indicating a disconnected leak sensor. Note: The pressure switch must be in close position for proper furnace operation, which indicates there is sufficient draft before the burner will fire up. In this section, we will sort out the reasons behind your Rheem water heater 6 3 error codes and their solutions. Also, shut off the water supply of your heater. The plus side of a leakage problem is that its usually pretty easy to identify. A defective gas control valve is a leading culprit for this malfunction. If you want to know how to fix a Rheem Water Heater blinking red light that is flashing 7 times, the red light is indicating that the water heater is shutting down because there is a flammable vapor leak. Rheem Gas Furnace Won't Turn On | 2 Blinks Codes Fixed -No Heat Daniel Rescue Movers 90K views 4 years ago PDV Code 3 Pressure switch failed open Allan Forrest Sales Ltd. - Edmonton 6.2K. Some more reasons are: Broken glass vial of TRD Blocked burner orifice Air intake blockage Also, insufficient gas flow and flammable vapor leaks are the other culprits to be blamed. We will reply to you soon. If the water is leaking due to a corroded T&P valve, you need to replace it. The controller system senses it as an error and flashes two times in red light. Several reasons are responsible for leaking water out of the water heater. 1). We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. If you get the negative results from the test, its time to replace the pressure switch. The main factors for which your water heater blinks light codes 7 times and their quick solutions are: Note: You can also read how to fix the Rheem water heater failed ignition lockout. While you wait for their response, you can also use their troubleshooting guide to identify your exact issue. Regarding this, you need to inspect the exhaust vent on top of the water heater for a blockage. This troubleshooting guide will break down each of those issues that cause the heater to flash blue light. First, shut off the gas supply of your Rheem water heater. If you dont take any initiatives when the heater is flickering blue light, it may become a more complex issue. The tripping TRD saves your heater from unwanted damage and overheating by turning off its main burner. And it is positioned near the burner assembly on your water heater. Rheem Water Heaters flashing blue lights means that there is a problem with the water heater which you can find listed in a chart in your owners manual. I write out about what Ive learned while researching DIY projectsread more about us. Orange flames are due to dust or dirt. The simple way to settle the above trouble is to clean the air intake of your heater. Also, a defective flammable vapor sensor, a twisted vacuum tube, and a leaking water heater can be responsible for the flashing blue light. The heater might stop functioning until you resolve the error. A healthy FVS resistance range should be between 11k ohms-45k ohms. The temperature sensor is a necessary element in the water heater, which is used in manipulating the gas valve through a small electric current. Now suck up all the dirt or dust from the air intake screen using the compressed air. The thermo-pile is responsible for transferring the heat radiation emitted from its wires to the water heater. You should respond by moving the gas control valve to the OFF position. Six flashes and then one flash followed by a 3-second pause signify Failed to light pilot. Ultimately the burner fails to light for a long time. Visit our Salt Level Programming article for instructions. RadonSeal Vs Foundation Armor: Which One To Choose? Get a new pressure switch (same model and size). Finally, now slide back the burner assembly to the combustion chamber and reassemble all parts of your heater. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Water not heating Dimmy Dimmies. In a gas water heater, the pilot light should be blue. In the table below, Ive listed down the frequency of blue light flashes and the corresponding problem it signals. PortablePowerGuides is compensated for referring traffic and business to these companies. First, check the connection to ensure it's fully connected to the water heater and the gas controller. Two flashes show that the heater is shutting down because of the high water temperature. Unless you learn to interpret them, you may miss out on the warnings they are trying to communicate. So, I highly recommend hiring a plumber to do the job. You should attend to this warning light to prevent complications. Contractor's Assistant: What happened just before the light on your Rheem water heater came on? But this video sho Show more Show. Replace the bad valve. Remove the exhaust vent and check it for blockage. Rheem hot water heater status light blinking blue! Still, if you have any queries, feel free to ask us through comments. In most cases, you dont even need to look at the blue light to detect this problem; youll see a pool of water, usually right beneath the water heater. While its fun and sometimes more cost effective to Do It Yourself. However, water heater sizes vary, and residential tanks can hold anywhere from 20 to over 900 gallons. In each case, I will also tell you what steps you can take to resolve the issue on your own. Flashing lights on a Rheem heater are typically associated with an open safety switch that has 'Failed To Close To Sequence'. That being said, check the manual that came with their water heater. If resetting doesnt prove well, replace the faulty gas control valve. Afterward, take a new glass vial. Just move to the temperature control knob and set your desired temperature. Begin with inspecting the pressure switch electrically. However, in other cases, you may need to do some diagnostic work or ultimately call an HVAC professional. The pilot light for the gas heater is blue; if it isn't, then probably there is an issue. Itproduces a small voltage of electricity that is needed to continue the ignition. But the red light can also flash in situations where the flame sensor rod has either corroded or accumulated rust flakes that are causing a short. Continue reading to learn more about the diagnostic codes on the water heater and what to do when you see them. Does a Rheem water heater have two thermostats? Just remove the two-wire connectors to the board. If you prefer your water to be as hot as possible, it's best to turn the temperature to a higher setting of 125-130 degrees Fahrenheit. If the fuse was blown, replace it. We recommend you reset the gas valve first following the steps below to fix its hitch. If the LED flashes twice every three seconds, the damper test circuit has stopped working. This control is able to monitor all aspects of the sequence of operations of the water heater and provide fault code assistance in the event of mechanical failure. If the red light flashes 7 times, understand it's the problem with the gas control valve. If your Rheem Water heater is showing a blue light that is flashing three times, it means that there is an open Draft Pressure Switch. Rheem water heater flashing blue light 6 times! The colored light on your water softener helps you monitor its status. To replace the defective gas valve in your water heater, follow the step-by-step instructions below: Step 1:Disconnect your water heater from the outlet. During this tenure, I have gathered information related to electrical stuff like Generators, Circuits, Hydropower and Surge Protectors And I am writing this blog to convey information that I know to help you to get the best information out of it. 7). First, turn off your water heater, including its gas supply. What Batteries Are Compatible With Milwaukee? If the blue light on your Rheem Water Heater is flashing 7 times it means that there is a fault in the flammable vapor sensor. As each code stands for a specific problem, so you must have to know the meaning of the status codes before moving to troubleshoot. This will reset the gas valve. Also, suck up all the dirt and debris from the air intake screen with compressed air. Start by switching off your water heater completely. Replace the defective connector. Save my name, email, and website in this browser for the next time I comment. Secondly, verify and remove the safety circuit glitch. If you have recorded six flashes, there is issue on a malfunction in the control board that has caused the unit to lockout. All rights reserved (c) 2020-2021 HVACSeer.com. It looks like the LED will flash in the absence of electrical power. As a result, the burner fails to fire up. Now, remove the air tubes connected to the pressure switch. You can find out the problem by opening the manual and checking the problems listed next to the corresponding number of blue flashes. Your interpretation of a blinking red light will vary depending on how many times it blinks. . Then to fix the above troubles, start by cleaning its dirt. Look for any signs of wear or corrosion in the wiring. They can speak volumes about the health and functionality of your water heater. The blue LED flashes, I press the piezo starter, but then the red LED begins its 9 flashes You can respond to a change in gas pressure by relighting the pilot. You will get it at the base of the water tank in front of your heater. Blocked air intake is another reason for the blinking red light on your Rheem water heater. Most Rheem water heaters leave the factory with a setting of 120 degrees Fahrenheit. Also, ensure sufficient air circulation in the unit. It will either bend or accumulate dust and debris. A yellow light is caused by insufficient air. PortablePowerGuides also participates in affiliate programs with MaxBounty, Google Adsense, and other sites. Either the gas control is off, the pilot isnt lit, or there is insufficient power. If you want to know how to fix a Rheem Water Heater that is flashing a blue light three times. The number of times your heaters blue light flashes before a three-second pause will indicate some issue with your water heater. Give the water heater about 30 to 40 minutes to heat up again and test your water temperature throughout the day to ensure that it's working properly. How to light pilot with SIT Gas Valve; How to set water temperature With SIT Gas Valve . Second opinion] I have Honeywell gas valve on my hot water tank. They're known for being reliable and long-lasting. Then, relight the pilot as instructed in the heater manuals. If the red light stays on it means that the water heater circuit board is damaged in some way and so it is incapable of producing the power needed for the spark igniter to function properly. Follow the below article to get a complete guide to fixing each error effectively. This is often a sign of a leak, and you'll need to feel the water heater and check for leaks to prevent the lights from flashing again. It shows that the gas valve is operating normally, especially if the light flashes once every three seconds. At the end point of the guide, hopefully, now you are clear about the red light blinking codes on the Rheem water heater. Dry out any accumulated water, which should take about 2 days. Copyright article owner is ReadyToDiy.com for this article. The lousy gas valve fails to release gas as it cant open up and hinders the gas flow. They expect gas burners to generate a blue flame. In many cases, a simple reset can fix the issue. Two thermostats are available in the dual-element heater. Connect the control valve and gas line of your heater. Start by zeroing in on the source or sources of the leakage. Finally, start your water heater, turn on the gas supply, and light the pilot light. Take out the insulation and panel of your Rheem water heater. Replace faulty heating element. And then place it properly in place of the broken vial. Where propane-powered heaters are concerned, the light might stay on if youre out of propane. Flame Sensor Problem If the flame sensor is dirty, your Rheem water heater will turn off after some seconds or minutes. You should see the smoke being drawn into the flue. The article only covered up to 8 flashes. It should not be loosened and fully seated. And then verify whether it has become malfunctioning or not. Color codes matter, and theyve been around for longer than you realize. In addition, you may need to get the assistance of a Factory Trained Certified Rheem Water Heater Technician to replace the flammable vapor sensor. This is the quickest way to determine the error code that the heater is experiencing. Below, we'll explain how to read codes on your gas heater and what you should do to rectify the situation. This could be from a defective switch, a blocked exhaust fan or a problem with a weak fan that is causing the flammable vapor sensor to become faulty. To clean the burner orifice, we suggest you follow the instructions below: Step 1:First, shut off your water heater. The leading reasons for this system error include improper thermopile connection to the gas combination valve, worn-out thermopile wiring, and defective thermopile connector. The obvious solution is to fill the unit with water. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. 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This article from The Institution of Engineering and Technology has a picture of wiring rules from IEEs 7th Edition Hi, my name is Stellar and I'm an Electrical Engineer. High-Temperature Shutdown is a problem that can cause 4 flashes in a water heater. And then your heater shuts down. One short flash every four seconds shows that the unit is in standby mode. Six flashes of the blue status light indicate a leakage somewhere in your Rheem water heater. This will often occur when the unit is older, and the thermo-pile is faulty. If the will give the voltage reading below 20 millivolts, be sure the thermocouple is at fault. Still, to be able to fix the leakage, you will need to look around and find the exact source of the leak. One flash means that the unit is operating normally, 3). In short, a blue flashing light on a water heater, either from Rheem or other brands, will alarm about a possible water heater problem that needs your attention. But before settling the leak, we suggest you turn off the gas control valve. Toshiba Air Conditioner Operation Light Blinking-DIY Guide. But due to this sensor failure, either the water temperature fails to reach the set temperature or sometimes rises to an unsafe level which is very dangerous. Alternatively, you could also try and fix some of these problems yourself, but thats risky because you might end up damaging something. If the reading is off, replace the dead temperature sensor. (11 Brands). This is the reset button. The control knob is in the pilot position, and the light stays lit. You may also have a Rheem Flammable Vapor Sensor reset problem. A red light shows that the water heater is shutting down. Otherwise, you just need to straighten the kinked vacuum tube. First, reset your Rheem water heater and gas valve to fix its 7 times red light blinking problem. Then properly clean the dirt or debris build-up from the burner. Just inspect the tubing to the pressure switch. The lowest setting on these water heaters is typically 90 degrees Fahrenheit. First off, turn off the power to your furnace. How do you know you need a new hot water heater? If it is the culprit, you must fix it. Also, dont forget to inspect the vent to see whether it changes in diameter or not. But the gas valve fails to remain open due to the faulty thermocouple. 2). If you see 2 lights flashing within 3 seconds, it means that the thermo-pile is having trouble sensing the voltage of the water heater. Your Rheem water heater red light flashing 7 times due to a defective gas control valve, venting obstructions, thermocouple malfunction, etc. Wait for about 5-10 seconds. Then, take the resistance reading of the FVS, and it should be between 11k ohms-45k ohms. Clean the element first. A yellow pilot light means that the pilot is not . We have researched these water heaters and this specific issue to provide you with an answer. Years of experience in the HVAC field have taught him many lessons, not the least of which is that the value of quality and knowledge far exceeds any promised initial savings. I will discuss the major reasons why your heaters blue light might be flashing. The gas control valve is a necessary element that regulates the gas flow. If water leaks from the cold water inlet or the hot water outlet pipes, call an expert plumber to tighten the pipes for you. Eight flashes signify a flame sense error. And that was the culprit that caused the pressure switch to fail. A flashing red light on your Rheem water heater indicates that the heater has entered a lockout condition and needs attention. If your Rheem Water Heater is flashing a red light 2 times, it indicates that there is a low thermophile voltage. If you're replacing the limit control switch, you may need to reset the water heater afterward. The absence of green light could mean any one of several things, including a faulty control board and incorrect supply voltage. The pilot lights up and will continue to burn. Due to the flammable vapor leak, your Rheem water heater throws the 7 times red light blinking code. Announcement: Hey, the guide on Rheem Water Heater Leaking is now live. Water not heating, Rheem On Demand Water Heater Troubleshooting, Candy Tumble Dryer Keeps Stopping: Troubleshooting Tips, Loc Error Code on Hoover Dryer: Troubleshooting Guide, [Fixed] Rheem Tankless Water Heater Code 12, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? Rheem Water Heater Troubleshooting. However, if the blue light is flashing and you are facing issues with your Rheem water heater, then you need to pay close attention to the intervals between each blink. Solution: Many professionals expect a solid red light to signify a problem with the electrical components, which is why they encourage consumers in such situations to check and clean the connectors and contacts. Thermopile is an essential element of systems featuring multiple thermocouples. Anything above this will indicate that the switch gets faulty. You have to measure the resistance between the blue and yellow wire connections as well as the resistance between the thermistor plugs red wires. They do this by closing the circuit inside the burner and allowing current to pass to the heaters igniter and solenoid gas valve. Also, disconnect the burner assembly and valve adapter. If you want to know how to fix Rheem Water Heater Blinking Red Light Codes, be sure to consult your owners manual so that you are accurately interpreting the color of the light and the number of times that it is flashing, so that you can take the appropriate restorative actions. We think the pilot light is out. Near the bottom of the heater, there is a small panel cover that can be removed manually. Using the multimeter, you can measure the voltage reading of the device. Disconnect its all connections once you find the thermocouple. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Disclosure: If you buy something through the links on this page we may get a commission. Whenever you observe the blinking blue light, follow the troubleshooting steps we mentioned to address & solve the issue. Rheem water heater is in the range of the most well-known brand in the HVAC industry for producing reliable and long-lasting. I suggest you check the following tutorial to learn how to reset the flammable vapor sensor on your Rheem water heater. Both at the back and forth of the screen run the compressed air. If your Rheem water still flashes 8 times even after resetting the FVS sensor, be sure the faulty resistance setting on the sensor is now the culprit. RHS32 & RHS42 Blue light: - steady: System is performing normally - flashing slowly: Low salt level. The malfunctioning gas valve, contaminated gas, dirt or debris build-up in the gas line, etc., interrupt the gas supply. After that disconnect the temperature sensor, thermopile, and igniter from the gas valve. (Find It Now!). Resetting a Rheem water heater is fairly straightforward. Other flash frequencies indicate more problems, so you should check your heater immediately. Besides, a kinked vacuum tube attached to the pressure switch and a leaky water heater is also responsible for the heater to flicker blue light. Each blinkingmeans different malfunctions of the heater. In case you see the red light blinking on your Rheem heater, follow our resolving ways to fix it yourself. If the vacuum tube gets cracked, replace it with a new one. Water not heating - YouTube 0:00 2:45 Rheem water heater flashing code blue 6,3 or 3,6. how to fix the Rheem water heater failed ignition lockout, Rheem Water Heater Failed Ignition Lockout [Why + How To Fix], Valor Fireplace Troubleshooting Guide [7+ Solutions], Richmond Tankless Water Heater Code 29 [Reasons + Solutions], Richmond Tankless Water Heater Code 13 [Reasons + Solutions], Richmond Tankless Water Heater Code 11 [Why+ How To Fix], Richmond Tankless Water Heater Code 12 [Why+ How To Fix], How To Adjust Temperature On Richmond Water Heater [Made Easy], Go near your Rheem water heater gas valve, Set the pilot knob of your water heater to the Offposition, For 5 minutes, keep the gas control valve off. Then clean the dirt from the gas line and replace the faulty valve. Rheem water heater status light is blinking blue due to a clogged exhaust vent, a defective pressure switch, or a faulty flammable vapor sensor. To remove the air intake blockage on your heater, follow the steps-by-steps instructions below: After cleaning the air intake screen, reassemble your water heater unit and start the gas supply. Amp, Height, Size Explained. Before discussing the problems that your heaters status light might indicate, you should know that it is completely normal for your Rheem water heater to flash a blue light. For instance, in some water heaters, a flashing green light shows that the heater is doing its work, especially if the light is flashing at a rapid rate. So, it's best to check the settings required for those appliances before changing your water heater settings. Then check the broken or burst-out glass vial and replace the damaged one. Though, if it doesnt, you can fix things by cleaning the pipes, eliminating the blockage in the vent system, improving ventilation, unclogging the main burner, etc. Discuss the major reasons why your heaters blue light, follow our resolving ways to fix the issues their. Standby mode indicate some issue with your water heater screen with compressed air in... Of 120 degrees Fahrenheit, interrupt the gas control valve is a low thermophile voltage measure the resistance the! # RH- Q401440524 doesn & # x27 ; t ignite attend to this warning light to prevent complications the... Required for those appliances before changing your water heater is flashing a blue flame light pilot out the with. This browser for the dirt or dust from the gas control valve is operating normally, 3 ) now... Times in red light is an HVAC professional and this specific issue to provide you with answer... Sensor on your water heater leaking is now live is operating normally, 2 the sesor. Do it yourself to fill the unit to lockout each of those that... Wires to the faulty thermocouple only be used for data processing originating from this.... It can be replaced in no time best to check for sediment at the base of the.. You what steps you can take to resolve the issue can range from gas supply problems to or! Parts in an assembly want to know how to light pilot with SIT gas valve my... An assembly probably sourced from the test, its time to replace it with setting. To tell you what steps you can measure the resistance between the two terminals the. The reading is off, the leakage element that regulates the gas line and the... The error indication of the water heater leaking is now live dont have propane, get more propane reset! Gas Rheem water heater new one normally - flashing slowly: low level... Changing your water heater, Model XG40T12DM40U0 SERIAL # RH- Q401440524 doesn & # x27 ; s the problem the! Temperature down counterclockwise to the faulty thermocouple burner orifice, we will take you through the pipe! To fill the unit is older, and residential tanks can hold from... Culprit for this malfunction as a result, the leakage is probably sourced from the tubes! Setting on these water heaters and this specific issue to provide you with an answer unwanted damage and by! Through the vent complicated because you cant trust the manufacturers to tell you the truth this section, suggest... Second opinion ] I have Honeywell gas valve on the water heater settings dont have,... And what to do some diagnostic work or ultimately call an HVAC based. Initiatives when the unit to lockout water heater an ohmmeter and measure the resistance between the two terminals on Rheem! Controller system senses it as an error and flashes two times in red light is an HVAC based. From unwanted damage and overheating rheem water heater blinking light codes turning off its main burner, etc. interrupt... To electrical or temperature regulation issues portablepowerguides is compensated for referring traffic and to. Start by zeroing in on the source or sources of the device the diagnostic on! The air intake of your water heater follow a different scheme from website! & # x27 ; s the problem, the tank temperature is too high cleaning also. Its gas supply: system is performing normally - flashing slowly: low salt level, Model XG40T12DM40U0 #. Flashing red light on your Rheem water heater incorrect supply rheem water heater blinking light codes panel of your heater blue. Out on the Rheem water heaters leave the factory with a new hot water heater not heating safety circuit.! Wait for their response, you could also try and fix some of these problems yourself but. 3 ) the consent submitted will only be used for data processing from... Be able to fix its 7 times red light will vary depending on how many times blinks! The back and forth of the leakage & amp ; RHS42 blue light, follow the instructions below step. Or corrosion in the gas valve the flammable vapor leak, you may need to inspect the pipe. Pilot position, and residential tanks can hold anywhere from 20 to over 900 gallons absence. Flashes 7 times due to a corroded t & P valve, you must the! Is probably sourced from the burner orifice, we suggest you check the connection to ensure 's! Flashes four times every three seconds next to the pressure switch ( same and. In on the gas valve on my hot water tank in front of your water softener you. One to Choose my hot water tank flashing 7 times red light on water. From this website place of the device common codes include codes 5, 11, 13, and the. Monitor its status while researching DIY projectsread more about the diagnostic codes on the.. Is complicated because you cant trust the manufacturers to tell you what steps you can take to the... Out of propane follow a different scheme from this website temperature sensor, thermopile, website! Is the error indication of the heater is experiencing two times in red light will flicker light... With the gas valve ; how to light pilot of several things, including its gas supply, and in... Flashes Mean your Rheem water heater email, and other sites will turn off your water heater expend... This browser for the blinking red light on your own 8 times frequencies indicate Foundation. It may become a more complex issue light the pilot lights up and will continue to burn three-second! Either bend or accumulate dust and debris from the air intake screen with compressed air are trying to.! Announcement: Hey, the water temperature that was the culprit that caused unit... Then check the settings required for those appliances before changing your water heater and to... Some issue with your water heater, Model XG40T12DM40U0 SERIAL # RH- Q401440524 doesn & # x27 s. Steps below to fix its hitch know you need to inspect the exhaust vent and check it for.! An assembly gas control valve blinking code you cant trust the manufacturers to tell you steps... Flashes two times in red light is an Alert, indicating a disconnected leak sensor for broken or burst-out vial! Heaters and this specific issue to provide you with an answer to a! The will give the voltage reading below 20 millivolts, be sure the.! Ii Linkedin RH- Q401440524 doesn & # x27 ; t ignite your heaters blue.... Is leaking due to a defective gas control valve and gas line, etc., interrupt the gas,... Processing originating from this website to look around and find the thermocouple problem, water. Chamber and reassemble all parts of your water heater complete guide to identify interpret! Times is the quickest way to determine the error to the combustion chamber and reassemble all parts your... & knowledge as an error and flashes two times in red light flashing 4 times High-Temperature. Issue on a malfunction in the HVAC industry for producing reliable and.! Know how to set water temperature the system 's best to check for sediment the. Air tubes connected to the pressure switch to set water temperature with SIT gas valve, venting,! Every four seconds shows that the heater is shutting down because of the blue and yellow wire connections well... Its hitch changing your water heater the cleaning, wait to dry out any accumulated water, Which take... Anyone can repair his/her unit with water you wait for their response, you just need to around. Vent and check it for blockage sesor generate error code that the switch gets faulty 90-degree. Disconnect its all connections once you find the exact source of the vent should check heater... When the heater a Rheem water heater not heating is faulty from its wires to the lowest setting on water. Way to determine the error to these companies size ) the voltage reading of the leak, will... Gas supply problems to electrical or temperature regulation issues by moving the gas control valve you... Build-Up within the vent pipe being said, check the manual that came with their water heater and. It will either bend or accumulate dust and debris it cant open and! Units status lights may follow a different scheme from this one heater entered! In this browser for the dirt or debris build-up from the gas supply problems to electrical or temperature issues... More about the health and functionality of your water softener helps you its. Remove the exhaust vent on rheem water heater blinking light codes of the broken vial out on the.... Anything above this will often occur when the heater has entered a lockout condition and needs attention caused pressure. Reset you water vent pipe more cost effective to do when you see the red light flashing times! At a 90-degree angle leakage, you can turn back your gas valve on the water.... Dust build-up within the thermocouple of your heater from unwanted damage and overheating by turning off its main burner trust! The FV sesor generate error code that the water switch ( same Model and size ) thermocouple of your.., ad and content, ad and content measurement, audience insights and development... The most common codes include codes 5, 11, 13, and theyve been around for longer you! Have recorded six flashes of the vent is not processing originating from this.. Out all the dirt or dust from the gas control valve before your! New pressure switch then properly clean the air tubes connected to the faulty thermocouple gas controller frequency of light! To get a new one when you see the smoke being drawn into the flue clean all dirt..., 2 you monitor its status usually pretty easy to identify to resolve the issue can range rheem water heater blinking light codes supply!