Ensure the connections are in good condition and tight. If the readings are looking good, the PCB may be at fault. Ensure the condensate line is installed correctly and is within specifications. Rheem error code 05 means there is a problem with the combustion. However, if it isn’t, check the resistance readings of the heat exchanger. If your Rheem displays an error code 12, ensure all gas valves are open and adequate gas pressure. Ensure all parts are in good working condition, clean, and not blocked by a foreign object. If the water control does not receive enough voltage, the reason may be a faulty PCB, and if it does, a faulty water control. Check if the maintenance information displays the ambient air temperature. Here are some common problems and what may be causing them. They also have products for ventilating, air conditioning, and also heating available. Rheem error code 05 can be caused by blocked air ventilation and exhaust systems. If your system continues to flash fault codes, please call Rheem Service to book a service call on 13 10 31. When that happens, all you need to do is know what each error code means so that you can take the appropriate steps in rectifying the situation.eval(ez_write_tag([[300,250],'homeinspectioninsider_com-medrectangle-3','ezslot_2',150,'0','0'])); Do you need a Licensed Plumber? Troubleshooting Tankless Water Heater Error Codes: Rinnai, Troubleshooting Tankless Water Heater Error Codes: Navien, Troubleshooting Tankless Water Heater Error Codes: Noritz, Troubleshooting Tankless Water Heater Error Codes: Bosch. There were a few things you can tap, etc. Rheem error code 14 means the overheat film wrap has been activated, usually caused by a hot spot. If your Rheem displays an error code 66, confirm the unit receives enough water and all wiring connections are in good working condition and tight. Rheem error code 65 means there is a problem with the water volume control. Rheem water heaters are constructed to provide many years of operation. Rheem fault code 11 – No ignition. Replace the PCB or fan if needed. Check the heat exchanger and flush the unit if there are scale build-ups. Ensure the programming chip is suitable for your Rheem model and the altitude the unit is used at. If the dip 1 switches are switched off, this can also prevent the unit from working properly. Run the unit and check if the error code persists. If the unit doesn’t start after disconnecting the remote, its PCB may need to be replaced. Ensure the flame rod is wired correctly and clean. If it does, the unit should be working properly and restarting. After removing the front panel cover, press the air intake switch and ensure it operates correctly. Close the hot water taps and remove or turn off the circulation pump if there’s any installed. Troubleshooting: Error P1; 3. Stop the water flow, switch the remote control off, and unplug it. Ensure there are no build-ups, foreign objects, or deposits of any sort near or around the unit and its venting system and combustion chamber.eval(ez_write_tag([[300,250],'homeinspectioninsider_com-box-4','ezslot_5',159,'0','0'])); The Molex connections’ resistance should also be measured. If there is a remaining flame, the gas control assembly should be replaced. Replace the remote control, remote control’s wiring, or the PCB if necessary. Inspecting their condition and leaning them will normally fix this error code. If the unit starts, then the problem is either with the remote control or its wiring. FS – Unit is in the defrosting cycle. See our article Why is My Tankless Water Heater Beeping? Ensure it touches the flame. If it does, the unit should be good and restarted. • The unit is in the protection mode and will show (FL3), press any key to restart the unit. High Efficiency Commercial Gas Water Heater, AdvantagePlus series High Efficiency Commercial Gas Water Heater, Rheem AdvantagePlus HE119-199N Use & Care Manual (28 pages), Special Instructions for Booster Installations, Part 3: Venting, Combustion Air & Condensate Removal, Approved Materials for Exhaust Vent and Intake Air Vent, Exhaust Vent and Intake Air Vent Pipe Location, Exhaust Vent and Intake Air Pipe Installation, Corrosive Contaminants and Sources Products to Avoid, Service Parts, Wiring Diagram and How to Obtain Service, Most Common Advantageplus Installation Concerns, Rheem AdvantagePlus HE119-199N Use And Care Manual (31 pages). If there is no pulse output, the fan should be replaced. Also for: Rtg53, Rtg66, Rtg74, Svc 810. 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. Rheem error code 11 can be caused by low gas pressure, faulty or improperly wired gas solenoid valve, and igniter. Contractor's Assistant: How long has this been going on with your Rheem water heater? If there is no information, the sensor’s resistance should be measured, and the sensor should be replaced if not within specifications. Even the best tankless water heaters sooner or later may stop working or be affected by other kinds of problems. Once flame sense is lost, the control will almost immediately drop out and unit goes into retrial and possibly soft and hard lockouts modes. The switch may have been turned off. Water heater beeping? Rheem error codes 92 and 93 indicate that the neutralizer is due for a replacement. On 2020-06-06 - by (mod) - Sid If that's a Rheem serial number, it doesn't exactly match the 9 Rheem water heater age decoder formats given above, but a reasonable guess is Check the vertical and horizontal vent length and ensure they meet the standards for safe operation. Ensure there is enough water flow, and the cold water inlet and aerator screens are clean. If the readings are okay, you may be dealing with a faulty PCB. Water Heater; GHE100-200; Rheem GHE100-200 Manuals Manuals and User Guides for Rheem GHE100-200. Rheem error code 79 means there is a problem with the current of the fan motor. In this case, there are a few things that you need to check. If there is no information, the unit should be working correctly. Rheem error codes 92 and 93 are normally found on condensing units. If there is no information, check the inlet thermistor’s resistance readings and replace the thermistor if they are not good. 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