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. If the thermocouple is dirty, you can clean it. If the pilot light has gone out, there are issues with a change in gas pressure, defective thermocouple, a strong draft, and insufficient air. Error Code 29 The heat exchanger's outlet temperature is too low. And if you dont do anything about it soon, it could cause you and other household members to fall sick. Eight flashes (followed by four flashes and a three-second pause) reveal a fault in the gas valve. Now from above your heater, locate the exhaust vent. Besides, igniter wires issues and a faulty or tripped thermal switch are other two culprits that prevent the status light from flickering. The thermocouple malfunctions when it becomes dirty or kinked. ReadyToDIY is the owner of this article. You can respond to a change in gas pressure by relighting the pilot. 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. Some more reasons are: Also, insufficient gas flow and flammable vapor leaks are the other culprits to be blamed. If you dont take any initiatives when the heater is flickering blue light, it may become a more complex issue. The FV sesor generate error code can that can easily be reset you water. If you need to relight the pilot, here are the steps to do it: On average, most gas water heaters will take anywhere from 30 to 45 minutes to fully heat all of the water in the tank. Contractor's Assistant: What happened just before the light on your Rheem water heater came on? Next Sunday, I will publish an in-depth guide on Rheem Water Heater Leaking. Continue with Recommended Cookies. Begin with inspecting the pressure switch electrically. Blinking light shows that your units pilot light is out. Contact any certified plumber for precisely completing the task. Then, find the air intake screen of your heater. Resetting the flammable vapor sensor is an easy fix to the issue. Check the fuel line of the valve as well. He obtained his Bachelor of Science degree from the University Of Texas at El Paso. What Are the Codes for the Lights on a Rheem Furnace? Make sure all wires are connected properly. They can speak volumes about the health and functionality of your water heater. Upper water temperature threshold is reached. Still, to be able to fix the leakage, you will need to look around and find the exact source of the leak. But most often, users face several malfunctions during operation. Better yet, call the manufacturer. William is the founder of Fireplacehubs.com. Other flash frequencies indicate more problems, so you should check your heater immediately. Orifices get clogged up with dirt or worn out over time. Remember, the first thing to do if you notice blinking lights on your water heater is to refer to your user's manual. Read Also: Rheem Water Heater Blinking Red Light. The heater might stop functioning until you resolve the error. Also, dont forget to inspect the vent to see whether it changes in diameter or not. Now we will take you through the instructions for cleaning and replacing the thermocouple. Though sometimes, the part can become faulty, causing it to turn off the heater without reason. The lowest setting on these water heaters is typically 90 degrees Fahrenheit. If the vacuum tube gets cracked, replace it with a new one. And the gas valve reset is done. Learn more, Facebook II Twitter II Pinterest II Linkedin. You have to measure the resistance between the blue and yellow wire connections as well as the resistance between the thermistor plugs red wires. If it is the culprit, you must fix it. Check the manual to get clarification on the meaning behind your heaters flashing light. Rheem water heater status light is blinking blue due to a clogged exhaust vent, a defective pressure switch, or a faulty flammable vapor sensor. If you see a blink and then another blink in 2 seconds, it means that your furnace is in lockout mode that is going to last for about an hour. As I dug into the manual, I discovered the 7 flashes indicate the flammable vapor sensor is in lockout mode. On the other hand, slow flashing may signify a situation where the heater is working but there is no request for heat. A Blinking Red Light Code on your Rheem Water heater indicates that the water heater is in the process of shutting down. He has practical skills in fixing smoker & heating appliance issues. A water heater with a red light flashes seven times every three seconds shows that the gas control valve has failed. It looks like the LED will flash in the absence of electrical power. And the pilot light will turn off. Finally, start your water heater, turn on the gas supply, and light the pilot light. First, visually check the gas valve for dirt or damage in it. Finally, inspect the components within the electronic gas ignition system and replace the bad ones. If you find the reading below 400, be sure the element is defective. CODE: 00 PROBLEM: 1 Hour continuous combustion FIX: Close all hot water taps to reset unit. The gas control valve in a water heater is used to regulate the gas flow. Then properly clean the dirt or debris build-up from the burner. Single Blue Light Flashes Mean Your Rheem Water Heater Is Functioning Normally, 2. If still, the red light flashes 4 times, check the thermocouple now. To change the water temperature setting, you'll simply need to turn off the power to the water heater on the unit and at the circuit breaker. After that time, turn the knob ON position. (11 Brands), link to Is Brown Or Blue Wire Positive? Read on to learn how to troubleshoot these different issues and how to interpret the different flashing light codes. Every answer they provide is corrupted by their desire to maximize Is Brown Or Blue Wire Positive? The exhaust vents of your Rheem water heater remove the combustion byproducts of the unit. After fixing the gas vapor leak, you can turn back your gas valve on. Two flashes signify low thermopile voltage, 4). First, check the thermopile connection to see if it isproperly connected to the gas control valve. It indicates the vent is pulling air inside and venting properly. Why Is My Air Conditioner Making Chirping Noises? How Long Should You Charge A Nest Thermostat? Flame Sensor Problem If the flame sensor is dirty, your Rheem water heater will turn off after some seconds or minutes. Step 2:Now look for the dirt or dust build-up within the thermocouple. However, throughout this troubleshooting guide, we will take you through the easy ways to settle the above hitches. If the heater doesnt have enough combustible air, ask a technician to improve your units ventilation. Wait for about 5 minutes, and then set the control knob back to the On position. Although, usually, leakages arent this severe. Now remove the housing by rotating it at a 90-degree angle. If you need more help. If you have an electrical heater, and the light is not on because the unit doesnt have power, start by checking the circuit breaker. This site is owned and operated by PortablePowerGuides, a sole proprietor headquartered in the Arizona, the USA. Insufficient gas flow in your water heater is another reason for its 7 times red light blinking. Now move through the FVS of the heater as it may in lockout mode. The most common codes include Codes 5, 11, 13, and 29. You should attend to this warning light to prevent complications. To access the pressure switch, you must remove the combustion chamber panel. Your units status lights may follow a different scheme from this one. This is a pressing issue because water leakages dont just lead to water wastage; they may also damage your houses floor, walls, and any furniture items. They are: The first thing I recommend you do is to find the source of the water leak. This post was first published on 2022-04-08. If the heaters red light blinks for 1 time, that is a sign of the normal operation, and there is nothing significant to do. Also, clean out the air inlet holes. But the gas valve fails to remain open due to the faulty thermocouple. 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. Rheem Water Heater Blinking White Light. Where propane-powered heaters are concerned, the light might stay on if youre out of propane. Damaged temperature and pressure relief valve (T&P Valve). If you have a condensing unit, then: Clean the air inlet screen and the heat exchanger's fins. Rheem hot water heater status light blinking blue! Then you need to reset the circuits. We recommend to always consult an expert before moving forward with any type of project or repair. Then to fix the above troubles, start by cleaning its dirt. They expect gas burners to generate a blue flame. In a gas water heater, the pilot light should be blue. . Then, get the burner assembly access by removing the inner door. But in the case of resistance changes, replace the defective chamber sensor. Source: Rheem water heater flashing code blue 6,3 or 3,6. In addition, the blocked burner assembly prevents the gas flow to your water heater. This is the quickest way to determine the error code that the heater is experiencing. Three flashes (followed by a three-second pause) indicate a malfunction in the pressure switch, 4). We think the pilot light is out. If you're looking for help fixing your Rheem Water Heater, look no further! What does this mean? If they cant, get a new one. The causes of problems can range from gas supply issues to electrical system or temperature control issues. The reasons for the issue can range from gas supply problems to electrical or temperature regulation issues. Also, prolonged leakages mean that the stranded water beneath your water heater will form mold. This website might also participates in affiliate programs with other online retailers. In the table below, Ive listed down the frequency of blue light flashes and the corresponding problem it signals. When the FV sensor resistance is out of range, the heater detects it as a fault and goes out of the specification mode. So, after going through the above ultimate guide, now you know why your Rheem water heaters red lights flash 7 times. April 12, 2023 by William. Visit our Salt Level Programming article for instructions. Why is my gas Rheem water heater not heating? Also, disconnect the burner assembly and valve adapter. Yes, definitely!! However, water heater sizes vary, and residential tanks can hold anywhere from 20 to over 900 gallons. A Rheem Water Heater that is flashing a blue light 8 times indicates that the Flammable Vapor Sensor is Out of Specification and the thermostat well and the sensor are either faulty or might be unplugged. When your thermocouple shows a reading below 20 millivolts, that means the unit is defective. Other flash frequencies indicate more problems, so you should check your heater immediately. First off, turn off the power to your furnace. Rheem Water Heater Red Light Flashing 9 times [Chamber Sensor Failure]. High-Temperature Shutdown is a problem that can cause 4 flashes in a water heater. Check the flammable vapor leak in your heater. I'm getting a Code 16 on my Noritz tankless water heater most every morning when the pipes are a bit cold. The Thermal Release Device (TRD) is a safety device in the combustion chamber. Rheem Water Heater Troubleshooting. If your water heater is not working The Honeywell valve gas is used by Rheem , AO Smith, Whirlpool and others. The tripping TRD saves your heater from unwanted damage and overheating by turning off its main burner. Color codes matter, and theyve been around for longer than you realize. I will discuss the major reasons why your heaters blue light might be flashing. Sometimes there may be an electrical supply problem with your water heater, and it receives no electricity. As an affiliate of retailers(like Amazon), we earn from qualifying purchases. Also, improper cleaning and maintenance are equally responsible for creating a clog in the orifice. Five flashes are a sign of a false pilot flame. Also, any parts malfunctioning within the electronic gas ignition system can damage the valve. When your Rheem water heater's blue light flashes, it either indicates that the heater is functioning normally, that the pressure switch is faulty, or that there is a leakage from the heater. Thus the gas valve on your heater stops functioning. This affects the voltage being transmitted to the rest of your home. 2 times blinking on the Rheem water heater is the error indication of thelow thermopile voltage of the water heater. Otherwise, you just need to straighten the kinked vacuum tube. Legal Disclosure:Lildutchuncle.com provides and shares information on plumbing, heating & air quality, home improvement, and other DIY projects. And then verify whether it has become malfunctioning or not. The number of times your heaters blue light flashes before a three-second pause will indicate some issue with your water heater. Also, inspect each heating element and discover the source of the leaking. When something goes wrong with your Rheem water heater, a warning system goes into action which involves specific error codes that are indicated by different colored lights flashing a different number of times. You should respond by moving the gas control valve to the OFF position. We recommend you turn off the water heater until you resolve the blinking light problem. Check the reset button of the upper thermostat. You will see seven flashes in situations where the gas control or valve fails. The pilot I just installed a 40 gallon LP gas water heater. 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