Other potential causes include a bad thermopile, the presence of air in the gas line, a tripped thermal switch, and loose connections. Wait for 10-20 seconds, and then reattach the wire connectors. 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. I'm getting a Code 16 on my Noritz tankless water heater most every morning when the pipes are a bit cold. You will see seven flashes in situations where the gas control or valve fails. And it leads to pilot light issues. Read Also: Rheem Water Heater Blinking Red Light. 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. A Rheem tankless water heater has over 30 potential codes, and the solution will differ depending on the specific make and model of water heater that you have. This is usually a slow leak that causes your Rheem Water Heater to stop and start. Rheem Water Heater Red Light Flashing 4 times [High-Temperature Shutdown], 4. So, follow the steps below: Step 1:First, find the thermocouple. Upper water temperature threshold is reached. Finally, start your water heater, turn on the gas supply, and light the pilot light. Take the heater manufacturers chart and compare the resistance at different temperatures. Step 3:Afterward, electrically check the thermocouple to determine whether it is functioning correctly or not. However, If youre not confident you can fix the issue on your own, and if youre afraid youll damage the heater while attempting these repairs (which, of course, happens), you should ignore these DIY fixes and either call an expert plumber or Rheems customer support team itself. Otherwise, you should replace the flammable vapor sensor. Eric Alvarez is an HVAC guy based in El Paso, Texas, United States. Your Rheem water heater red light flashing 7 times due to a defective gas control valve, venting obstructions, thermocouple malfunction, etc. It looks like the LED will flash in the absence of electrical power. Source: Rheem water heater flashing code blue 6,3 or 3,6. First, turn off your water heater, including its gas supply. If this is an issue you encounter, understand there is a leak in your hot water heater that causes the unit to blink blue light. The obvious solution is to fill the unit with water. 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. Now from above your heater, locate the exhaust vent. Even after replacing the thermocouple, the pilot light keeps turning off because the gas control valve is bad. How do you know you need a new hot water heater? As a faulty thermostat is a leading reason for this, check if it gets stuck or stops working. This is the quickest way to determine the error code that the heater is experiencing. The lights in your home flicker whenever your heater activates because the unit draws a lot of power. Now take a look manufacturers chart and compare the resistance at different temperatures with the readings. How Long Can A Car Battery Run An Air Conditioner? It will either bend or accumulate dust and debris. Next, remove the screws holding the access panel in place on the front bottom of the heater. 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. In this case, the status light will flicker blue light 8 times. Hold it near the base of the vent pipe. It is placed right in front of the pilot light. Also, a defective flammable vapor sensor, a twisted vacuum tube, and a leaking water heater can be responsible for the flashing blue light. The blinking light can also signify a faulty end switch on the zone valve. Rheem Water Heater Red Light Flashing 1 time [Normal Operation], 2. 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. 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. Contact any certified plumber for precisely completing the task. This is usually from gasoline or any other type of flammable gas product that is around the Flammable Vapor Sensor. A flashing red light on your Rheem water heater indicates that the heater has entered a lockout condition and needs attention. The pilot lights up and will continue to burn. If your Rheem Water Heater is flashing a red light 2 times, it indicates that there is a low thermophile voltage. Now, take out the Pilot Assembly and the Thermophile Wire. All rights reserved (c) 2020-2021 HVACSeer.com. 7). Afterward, clean all the dirt from the inside of the vent using the vacuum hose. You can do this yourself or by hiring a professional. And end the installation workflow by bringing the access panel back into its place. Now, inspect the two heating elements from the top and bottom of the tank. The reading should be between 0 to 0.1. First, reset your Rheem water heater and gas valve to fix its 7 times red light blinking problem. All Right Reserved by HeaterFixLab. Check the flammable vapor leak in your heater. First off, turn off the power to your furnace. And while pressing the button, hold the gas knob down until the pilot ignites. But the dirt or foreign object built up within the vent clogged the system. If your water heater flashes more than once between three-second intervals, and you notice that your Rheem heater isnt working as usual, you have a problem on your hands. Also, clean out the air inlet holes. During cleaning, verify if there is any sign of damage in it or not. Due to the valve failure, it doesn't supply enough fuel to the heater. There are some major reasons behind gas valve faults, for instance: Obstructed venting Before moving to the detailing parts, lets learn about why is your Rheem water heater blinking red light and what the actual meaning of it. COPYRIGHT 2023. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. The circuit board is powered by this small current and starts heating the water. Rheem Water Heater Red Light Flashing [7 Blinks Solved], What Does Flashing Red Light Meaning In Rheem Water Heater, 1. Rheem Water Heater Red Light Flashing 9 times [Chamber Sensor Failure]. Replace the damaged wires. The best tech tutorials and in-depth reviews; Try a single issue or save on a subscription; Issues delivered straight to your door or device Two thermostats are available in the dual-element heater. Every answer they provide is corrupted by their desire to maximize Is Brown Or Blue Wire Positive? If the flame is yellow, the air supply is not sufficient. They have to drain the tank to clean it out. So, I highly recommend hiring a plumber to do the job. What Batteries Are Compatible With Milwaukee? You can check it here. During cleaning, in case you see any damage signs, you must replace the valve. Toshiba Air Conditioner Operation Light Blinking-DIY Guide. That means the heater is in tip-top condition, and the complete heating system is functioning quite well. Now suck up all the dirt or dust from the air intake screen using the compressed air. If the light flashes once every three seconds, it simply indicates that everything is working as expected, that is to say, the pilot light is lit and the gas control valve is functional. When your thermocouple shows a reading below 20 millivolts, that means the unit is defective. 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. If you dont have propane, get more propane. If it is a question of the burner constantly running, you should look for water leaks, worn-out insulation, and an accumulation of sediment at the bottom. If the heater doesnt have enough combustible air, ask a technician to improve your units ventilation. 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. However, the flashing blue status light signals other problems as well. Better yet, call the manufacturer. Why Is My Air Conditioner Making Chirping Noises? how to fix Rheem water heater 8 flashes then 1, 2 times blinking on the Rheem water heater, Rheem water heaters red light blinking 7 times, 9 time blinking on the Rheem water heater red light, Noritz Tankless Water Heater Code 16 [Why + How To Fix], Noritz Tankless Water Heater No Water Flow [Reasons + Fixes], Noritz Tankless Hot Water Heater Codes 11 And 12 [Why + How To Fix], How To Reset Bradford White Water Heater [Ultimate Guide], Bradford White Water Heater No Status Light [Why+ How To Fix], Improper thermopile connection to the combination gas control. . Water Heater Blinking White Light Meaning Blinking light shows that your unit's pilot light is out. Rheem Water Heater Blinking White Light. Here are a few reasons why you may need to reset your Rheem water heater: The pilot light for most Rheem water heater models is typically located on the front of the unit. After fixing the gas vapor leak, you can turn back your gas valve on. Due to the valve failure, it doesnt supply enough fuel to the heater. As a result, the burner fails to fire up. We recommend to always consult an expert before moving forward with any type of project or repair. And thus your heater blinks red light 7 times. Rheem water heater is in the range of the most well-known brand in the HVAC industry for producing reliable and long-lasting. Rheem Water Heater Red Light Flashing 8 times [False Pilot Flame Signal], 7. Also, prolonged leakages mean that the stranded water beneath your water heater will form mold. Wait for about 5-10 seconds. 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. Announcement: Hey, the guide on Rheem Water Heater Leaking is now live. If the vacuum tube gets cracked, replace it with a new one. To clean the burner orifice, we suggest you follow the instructions below: Step 1:First, shut off your water heater. Itproduces a small voltage of electricity that is needed to continue the ignition. Yes, definitely!! And thus, your heater faces venting obstructions. While its fun and sometimes more cost effective to Do It Yourself. But this video sho Show more Show. Also, suck up all the dirt and debris from the air intake screen with compressed air. You should attend to this warning light to prevent complications. I completed my electrical engineering in 2014 and have been working since then. 1). The exhaust vents of your Rheem water heater remove the combustion byproducts of the unit. 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. If your Rheem water heater and gas valve on their desire to maximize is Brown or blue Wire Positive take. 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