Troubleshooting a Rheem water heater 1/ Is the unit plugged in? Protect Your Home u0003With Mobile Leak Alerts. Then they sent me a new pilot light assembly, which I was sure wouldn't work as the pilot light was working. Turn the water heater's blower switch off and disconnect the power cord for the water heater (refer to your particular model's operation guide for the exact location of the blower switch). I think their techs just read off a list of things to try. There are a few different codes that can be associated with Rheem water heaters. You will need to hire a professional to help you with proper venting installation. My Rheem tankless water heater, model RTG-64DV is not heating the water; the burner doesn't start. Manage Settings ). Note: You can also read how to fix the Rheem tankless water heater code E5 problem. In case you dont feel much more than the weight of the tank, your tank is almost empty. Honeywell LED code sequence 3x flash . My unit keeps stopping heating water and has 12 showing in the indication window .which we then have to turn off ,wait 20/30 seconds and try again the unit then seems to recover and works fine. Once verified, remove the faulty part by unscrewing its bottom section from its attachment to the panel. If nothing helps, then an expert would have to replace the control board. A gas shutoff is installed to turn off the gas supply to the water heater. Can I Repair a Bulging Water Heater? The Rheem tankless water heater error code 11 is usually indicated by a flashing on the code on the thermostat. What is Rheem Tankless Water Heater Code 11. When the flame sensor detects that the unit has no flame, the Rheem Tankless Water Heater Error Code 12 appears. Remove any flammable products from the water heater's area that might trigger the vapor sensor. Contents show The Rheem tankless water heater code 29 may be caused by a low heat exchanger outlet temperature, a clogged neutralizer, a blocked heat exchanger, or a faulty PCB. All I had to do was to remove the flame rod, remove or the dark carbon deposits, reinstall it and then the unit was back up and running. Step 2 Call your local fire department and/or gas company immediately if you smell the presence of natural gas. Call your local fire department and/or gas company immediately if you smell the presence of natural gas. The most common Rheem error codes are: Disconnect the Molex connector attached to the bottom of the control pad (the left most connector with five pins). Home | Sitemap | Blog| Privacy | Disclaimer | Contact| About. To begin, unplug the power cord. Join me today as I show you how to troubleshoot a RHEEM HYBRID WATER HEATER What does code 12 mean on a Rheem tankless water heater? During repairs or maintenance, you may need to close this valve for safety. Generally, Rheem water heaters flicker two light codes- red and blue. Sufficient ventilation or air supply is required to operate the water heater optimally. Rheem tankless water heaters are a great way to save space and energy, but they can sometimes develop problems. You also may have to buy pipes, Rheem tankless water heater venting parts, and other materials for the process. Connect one of the multi-meter's probes to the number two pin and the other probe to the number three pin of the Molex connector (middle black wires). Unable to Light the Main Burner. Air in the gas line can cause ignition failure. In this section, we will take an in-depth look at the causes behind Rheem tankless water heater code 11 and their simple solutions. * All pros listed are independent dealer-owned . On the other hand, if you have a direct connect, go to the circuit breaker and flip it down. The solution is to bleed the gas line. Click here to add your own comments There are a few things that could be causing this, so its important to troubleshoot the issue. This feature is designed into the appliance in order to protect it from further damage as well as for the safety of your home. First, check to see if theres anything blocking the vents on the unit. Ignition Failure can also be the result of low gas pressure on your unit. There are a few possible causes for this problem: Rheem Tankless Water Heater Noise 3 Causes, Candy Tumble Dryer Keeps Stopping: Troubleshooting Tips, Loc Error Code on Hoover Dryer: Troubleshooting Guide, Hot Water Heater Calcium Removal [How to Guide], Samsung Washer SUD Code but no SUDs? You should consult with a licensed professional and check local permit requirements before starting any project. Press both the left and right buttons on the control pad at the same time. In 99% of the units I have worked on this fixes the problem. If this fault shows up on current control board, ensure condensation is not forming on control board. Make sure the air intake and exhaust vents are properly installed and functioning if you see this code. How can I choose the right hot water system for my home? Yours can be found on the rating plate on the water heater. One of the few downsides of using a tankless system is that when a fault code occurs, there is no way to get any hot water. Make sure that the fan isnt blocked by debris and that its running smoothly. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. Senses paint fumes gas etc. power outage? Excessive wear and tear may cause damage to the igniter wiring. Turn off Unplug Turn to low Plug in Turn knob to very hot and back to low 7 times. If this code is enabled it may disable the water. If your flammable vapor sensor caused your water heater to shut down, check the area immediately for leaking gas or other flammable products. Call Rheem on 1300 556 036 or EMAIL US I help Tons of people for free all the time but I can't do that anymore I'm too busy. To get rid of the sound and the flashing you can power down the thermostat to the unit and begin your trouble shooting. It means poor or incomplete combustion. You may need to replace the fan if its damaged. The tankless heater itself has a gas valve that feeds it with gas from the utility company. * All pros listed are independent dealer-owned . E02 - This code indicates that the unit's gas valve is not open. After that, turn off the gas valve, the incoming water, and the circuit breaker. The causes of the E5 code appearing on your heater's display include too much water flow, incorrect gas pressure, blocked air intake, clogged exhaust, dirty air filter, lack of airflow in the room . How to check if a tank is leaking due to an increased hot water pressure. This can be checked with a pressure gauge at the inlet to the unit. Copyright. Now, take out the Pilot Assembly and the Thermophile Wire. This sensor is designed to shut off your water heater system to prevent fires in case flammable vapors are present within the area. First, check the gas line to make sure it is not blocked or clogged. Rheem 50 gal 40 gallon Performance Platinum water heater with Honeywell 24 volt igniter. Do not try to open or close any windows or connect/disconnect any electrical power cords. The valve is open and the gas is on when the tab is parallel to the gas pipe. You may need to clean or replace your vent pipe if it is blocked. Why is my Rheem water heater beeping? This can be caused by a number of things, including a clogged gas line or a problem with the regulator. Hold down the reset button inwards until it clicks in place. Code 11 occurs when there is an ignition failure on the unit. Then disconnect the appropriate wires and remove the Manifold Door. Remove the screws to expose the internal parts of the unit. Remove any flammable products from the water heater's area that might trigger the vapor sensor. Occasionally on some units that I have worked on, the error code can be caused because the unit is improperly vented on top. Depending on your unit, you may have a 3 inch or 5 inch vent pipe and it is important that the adapter at the top of the unit is the same size as well. It showed up on the controls as error code 11. Ensure the airflow is not restricted or blocked. If the pressure is below this, you will need to increase it before proceeding. But this video should help you out if a 200-300$ jam. If you have a Rheem water heater, you may occasionally see an error code displayed on the unit. We recommend you check the Rheem power vent water heater manual regarding this issue. Rheem tankless water heater code 11 appears when there is an ignition failure. Locate and remove the igniter coil and the screw that holds it in place. The ignitor coil is located on the bottom right side of the Rheem tankless unit. Check the Rheem tankless water heater manual for your specific model. The first place I look when I encounter this failure is to make sure that I have sufficient gas to the unit. Remove the access panel on the front of the unit. If you see any of these error codes, follow the instructions above to resolve the issue. Every time when I plan to use hot water for shaving, my Rheem tankless is not working, it shows the error code 15. Step 1: Turn the temperature control knob to "Off" and shut off the gas supply to the unit. The hot water should begin to run within 15 minutes. It is few years old now and the number of power cycles just increased. Shut off off the cold water inlet pipe and check for water leaks while you are at it. But one of the most common error codes they have is Code 11. A gas line, on the other hand, can acquire a bad dent or kink that prevents gas from flowing through it. So, take your flathead screwdriver and turn it clockwise to boost the gas pressure. Yes, cold weather can affect your hot water heater. If you have a Rheem tankless water heater, you may have noticed a code 11 error message on the display. 3. -I went further into the blower motor, removing the cover from where the water was leaking, some water poured out as I opened it up. Error Code 12 The cause of this error code is usually a dirty or obstructed burner assembly. Learn what to do, repair, and how to stay safe in this guide. If you dont meet them, your heater may fail to ignite causing error code 11. To inspect the wire harness of your igniter, remove the burner lid. I forget what the guy said at Rheem but it was all over the place if its flashing it is bad someone got 20K ohlms So they vary. It's easy to do. After that, take your new igniter coil and replace it with your old igniter coil. The circuit breaker for the unit may have tripped. Join in and write your own page! Set the valve to the On position now that the pilot light has lit. Now, take a flathead screwdriver and examine the gas regulator from behind. Wait for approximately 5 minutes. Ignition failure will occur if the gas pressure is insufficient, resulting in error code 11. Watching the video will be helpful for you. To see if this is the case, drain the water heater so you can remove scale and sediment from the tank. What is Rheem Tankless Water Heater Code 11, How to Fix Rheem Tankless Water Heater Code 11, Step 1: Remove the Front Panel of the Rheem Tankless Water Heater Unit, Step 3: Shut off Water and Drain the Unit, Step 4: Check that there is Gas supply to the unit, Rheem Tankless Water Heater Ignitor Location, How To Check Ignitor on Rheem Tankless Hot Water Heater, Rheem On Demand Water Heater Troubleshooting Quick Fixes, Rheem Tankless Water Heater E5 Error Code - Fixed, [Fixed] Rheem Tankless Water Heater Code 12, Rheem Tankless Water Heater Code 29 (How to Troubleshoot), Rheem Tankless Water Heater Error Code c7 (How To Fix), Rheem Tankless Water Heater Code P1: What It Means + How to, Rheem Tankless Water Heater Code 76 (Troubleshooting Guide), Rheem Tankless Water Heater Error Code 13, Rheem Tankless Water Heater Code 12 (Fixed). I replaced the pressure sensor but still had the same problem. "A006 Suction tempterature too low". How? Your water heater model has some specific instructions on venting material, pipe thickness, and configuration. Rheem Electric Tankless Water Heater Error Code E4 04. Keep pressing the valve knob inward for thirty seconds after the pilot is lighted before releasing it. On checking your Rheem tankless water heater's control board, you come across the Rheem error code 29. Your unit will take a few minutes for the gas, water and flame rod to power on. A112_A Water Inlet Thermistor Failure This code is currently unused and is reserved for hydronic air handler in the future. Then, leave your water heater for 30 seconds in state of disconnected from the power source. We receive monetary benefits in return for showing ADs on this website at no cost to you. Looking up top I saw a small leak coming from the blower motor itself. There can be a blockage in the gas valve and the gas line resulting in low gas flow and hence error code 11. 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