If the water heater light is not blinking, more than likely, the pilot is out. Rheem water heater flashing blue light 3 times! And ensure your heater is getting adequate gas flow. Rheem gladiator water heater service needed light on tells you that there is something wrong with the heater system. Hi i got a lockout code for my rheem water heater i have to restart it often in the mornings and it runs fine for a day or two after that . And finally, install the new pressure switch in the bracket by positioning it under the frame and threading the screws to secure the switch in its place. What does the 9 red LED flash code mean? Some Rheem models particularly newer furnaces have an integrated furnace control inside them that flashes a warning LED light when there is a problem with operation. If you have gas and propane water heaters, they use a flame called a pilot light to ignite the burner. Secondly, remove the upper access panel from your Rheem water heater. Replace the broken vial. Step 2:From the combustion chamber, gently slide out the burner assembly and tube and take it out. Im getting 9 red LED flashes then a pause then the 9 flashes. I'm a homeowner and I like to do things myself. 06. Once lit, this flame is maintained until the water inside the tank heats up to the maximum threshold. If it fails, the unit doesn't get enough fuel to heat the water, causing 7 flashing errors. The blinking blue light on Rheem water heater indicates something is not working correctly. The lousy gas valve fails to release gas as it cant open up and hinders the gas flow. Also, check the connectors for physical damage. Also, you can use the plumber snake. A water heater with a red light flashes seven times every three seconds shows that the gas control valve has failed. And while setting the temperature lower than that will definitely save you money on your home's energy bill, it's important to note that this temperature setting can negatively impact the performance of your dishwasher and clothes washing machine. This is usually a slow leak that causes your Rheem Water Heater to stop and start. If the flame is yellow, the air supply is not sufficient. When your Rheem heater flashes again after resetting the gas valve, you must replace the 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. Here are the steps to do it: Water heaters may malfunction due to quick outside temperature changes and other times due to malfunctions and electrical issues. This post may contain affiliate links. What Does Blue Flashing Light On Water Heater Mean? In the first step, reset the gas control valve. Here look for broken or burst-out glass vial of TRD. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. We think the pilot light is out. 3). When your thermocouple shows a reading below 20 millivolts, that means the unit is defective. 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. You need to replace the gas control valve. Then, ensure you remove the vacuum tube from the old pressure switch. The major reasons for causing theRheem water heater to red light flashes about 4 times include: 5 times flashing on the Rheem water heater red light tells you the temperature sensor failure. But this video sho Show more Show. If it is burnt out or wears out, replace the whole upper thermostat. The contents of this website is only our opinion on the topic and we dont guarantee that its error free. ReadyToDIY is the owner of this article. Ultimately any issue with the gas supply cause the 7 times red light to blink on your heater. Be sure to consult your owners manual for proper replacement directions. Water Heater Showing Yellow Light. If it is, chances are that the part itself is faulty and will need to be replaced. The responsive factors for 9 times error blinking include: The common signs that define that you need a new water heater are getting rusty water out of the tap, making strange noises, not getting hot water, the heater overheating, water leakage, and many more. 2. But when the thermopile voltage becomes low, the pilot light goes, and the gas valve shuts down and turns off the gas supply. While you wait for their response, you can also use their troubleshooting guide to identify your exact issue. It should not be loosened and fully seated. Thermopile is an essential element of systems featuring multiple thermocouples. I read on line what a code 16 can mean and was wondering if you have a . But in many cases, youre looking at a pilot that is not lit. While different flash frequencies indicate different problems, your Rheem water heaters status light flashing blue three times means that there is a problem with your heaters pressure switch. Why Is My Rheem Water Heater Blinking Red Light? Afterward, connect the vacuum tube and the wires to the appropriate terminals. Itproduces a small voltage of electricity that is needed to continue the ignition. While its fun and sometimes more cost effective to Do It Yourself. Rheem Water Heater Troubleshooting. A yellow light is caused by insufficient air. It looks like the LED will flash in the absence of electrical power. So, stay with us till the end. After that, properly clean the burner assembly and all its components. Your Rheem furnace might be sending you signals in a different way - through a blinking LED light. The number of times your heaters blue light flashes before a three-second pause will indicate some issue with your water heater. And that was the culprit that caused the pressure switch to fail. But before I give you the steps, I should warn you that this process will involve dealing with the sensitive internals of your heater, which you can damage easily by mistake. Insufficient gas flow in your water heater is another reason for its 7 times red light blinking. That means the heater is in tip-top condition, and the complete heating system is functioning quite well. Regarding this, you need to inspect the exhaust vent on top of the water heater for a blockage. Then disconnect the appropriate wires and remove the Manifold Door. First off, visually check the thermocouple. Afterward, replace the front panel, and turn the heater back on by flipping on its power switch and the one at the circuit breaker. And the pilot light will turn off. Then, find the air intake screen of your heater. For this, disconnect the thermopile by wriggling it a bit. Source: Rheem water heater flashing code blue 6,3 or 3,6. Typically, a blocked exhaust vent, a vacuum tube to the pressure switch gets clogged, or a faulty flammable sensor are some culprits that cause the status light to blink blue. And the gas valve reset is done. Rheem water heater status light is blinking blue due to a clogged exhaust vent, a defective pressure switch, or a faulty flammable vapor sensor. Think of it as the voltage supplier. The size of the water tank will affect how quickly it can heat the water inside of it, so it's normal for larger tanks to take a bit closer to 40 minutes to an hour to heat fully. The air intake screen ensures proper air circulation in your heater. Then, using the soft cloth, bristle brush and wire brush, remove the orifice clog. Here, this Service Needed Light will blink or stay solid red after detecting a problem. As an affiliate of retailers(like Amazon), we earn from qualifying purchases. Using a duct cleaner, clean the vent around. Rheem water heaters are some of the most reputable ones in the HVAC industry. The easy solution is to find out the TRD first. If that doesnt work, replace the defective thermocouple. The article only covered up to 8 flashes. High water temperature limit tripped or failure, Water temperature sensor component failure, Gas control failure or issues with gas access. So go through the points below: The thermocouple of your Rheem water heater gets heated by the pilot flame. If the pilot light is out, not only will the water remain cold but you wont see the flame. If your water heater is not working The Honeywell valve gas is used by Rheem , AO Smith, Whirlpool and others. 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. He has practical skills in fixing smoker & heating appliance issues. Change the fuel line if needed. Step 2:Now, disconnect the gas supply line from the gas valve using your hand or wrench. Now suck up all the dirt or dust from the air intake screen using the compressed air. Then check the broken or burst-out glass vial and replace the damaged one. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Why Is My Air Conditioner Making Chirping Noises? It is not as hot as a blue flame. Debris in the pilot tube is restricting the flow of gas. And if you dont do anything about it soon, it could cause you and other household members to fall sick. This is the reset button. The reading should be between 0 to 0.1. Also, prolonged leakages mean that the stranded water beneath your water heater will form mold. But when the glass vial of TRD gets broken, your heater blinks red light 7 times. Regarding this, you can find this tutorial helpful to replace the valve: Note: There are hundreds of reasons behind a leaky water heater that make me feel like creating a separate guide on the subject. Announcement: Hey, the guide on Rheem Water Heater Leaking is now live. Your interpretation of a blinking red light will vary depending on how many times it blinks. And turn off the gas shut-off valve. Replace faulty heating element. Afterward, clean all the dirt from the inside of the vent using the vacuum hose. In this section, we will sort out the reasons behind your Rheem water heater 6 3 error codes and their solutions. The pilot light for the gas heater is blue; if it isn't, then probably there is an issue. [Fixed], Honeywell Water Heater Gas Valve Reset (How-To Guide), 15 Common Rheem Error Codes [Ultimate Guide], Rheem Tankless Water Heater Code 11 (Fixed), Top 5 Navien Tankless Water Heater Problems [Fixed], Whirlpool Duet Dryer No Power To Control Panel (Causes + Solutions). However, water heater sizes vary, and residential tanks can hold anywhere from 20 to over 900 gallons. You need to fix the drain and the pressure relief valve. 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. First, locate the flame sensor from the burner assembly. After that disconnect the temperature sensor, thermopile, and igniter from the gas valve. And then locate the red reset button, After finding it, press the red button and hold it until your water heater produce the clicking sound, Leave the reset button once you hear the clicking sound and the reset is complete. If the will give the voltage reading below 20 millivolts, be sure the thermocouple is at fault. Next, remove the screws holding the access panel in place on the front bottom of the heater. . Both at the back and forth of the screen run the compressed air. 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. Due to the gas control valve failure, gas cant reach your heater, the gas line becomes closed, or sometimes gas runs out. Finally, now slide back the burner assembly to the combustion chamber and reassemble all parts of your heater. 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. What Are the Codes for the Lights on a Rheem Furnace? The reading should be 7000 to 25, 000 Ohms. If the circuit board is damaged and it cannot generate the power the spark igniter needs, the red light will come on and stay on. Hi, I'm Eric the blogger behind ReadyToDiy.com. Copyright article owner is ReadyToDiy.com for this article. You can find out the problem by opening the manual and checking the problems listed next to the corresponding number of blue flashes. The reasons for the issue can range from gas supply problems to electrical or temperature regulation issues. Due to the valve failure, it doesn't supply enough fuel to the heater. Here are the main things that will cause these error codes: High water temperature limit tripped or failure Water temperature sensor component failure Gas control failure or issues with gas access How Long Should You Charge A Nest Thermostat? After fixing the gas vapor leak, you can turn back your gas valve on. 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. Replace the defective thermopile, and then the 2 blinkings will erase from the heater. This TRD device starts tripping when the temperature in your Rheem water heater crosses the safety limit. This post was published on 2022-04-08. A flashing red light on the Rheem water heater indicates that the heater has become locked and requires service. How do you know you need a new hot water heater? You may also have a Rheem Flammable Vapor Sensor reset problem. Every Rheem tankless water heater, either non-condensing or condensing, utilizes the computer board to monitor the heating process, adjust the parameters, and help troubleshoot the potential problems. And then verify whether it has become malfunctioning or not. 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. Flashing red light 1 time in the Rheem water heater signifies the normal operation of the system. 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. Unplug all connections of the gas valve. And thus, continuously, the gas valve supplies gas by remaining open. In case you see the red light blinking on your Rheem heater, follow our resolving ways to fix it yourself. Use a vacuum hose to vacuum up all the dirt. If you have a conventional electrical heater, the absence of light shows that the heater doesnt have electrical power. 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. The FV sesor generate error code can that can easily be reset you water. Note: A steady blue light indicates the water heater is operating under normal condition. Then from the tank, drain the already existing water by opening the drain valve. Also, clean out the air inlet holes. Also, inspect each heating element and discover the source of the leaking. In a gas water heater, the pilot light should be blue. Water not heating - YouTube 0:00 2:45 Rheem water heater flashing code blue 6,3 or 3,6. You can respond to a change in gas pressure by relighting the pilot. Here are the main things that will cause these error codes: In most of these cases, you'll need to contact a professional licensed HVAC technician to troubleshoot and repair the unit. It's best to stop using the water heater until you resolve the issue with the flashing lights. Sometimes there may be an electrical supply problem with your water heater, and it receives no electricity. Two flashes signify low thermopile voltage, 4). With four green flashes, you can assume that the upper element has a problem. Wait for about 5-10 seconds. Ultimately, it interrupts the complete ignition system. At this point, turn the gas control valve to the OFF position. Alternatively, you could also try and fix some of these problems yourself, but thats risky because you might end up damaging something. The control knob is in the pilot position, and the light stays lit. the light is flashing as follows, 1-flash, 5 second pause, . After this time, turn the gas knob counterclockwise so that it is in the "Pilot" position. It requires no plumbing knowledge to fix. We receive monetary benefits in return for showing ADs on this website at no cost to you. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. Rheem Water Heater Not Working/Troubleshooting. Rheem Water Heater Light is not blinking because of the turned off combination gas control, pilot is not lit, and insufficient power supply. Then use your hand or wrench to remove the lousy gas valve of your water heater. If the circuit breaker is fine, you should consider replacing the electric water heating element. This will reset the gas valve. 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