Questions & Answers for: Rheem error code 12

...run for 3 min and shut down error code C5 and 12 or C7 and 12 hi my names pete ill try and help c7 is where the start up sequence has ended c12 is saying gas service has been interupted hope this ...

...Error code 12 is a supplemental code that means your LP gas supply is too low...have your LP tank service and try again. HTH, Mike... great ideas for using...

...error code 12 on my Rheem EcoSense 9.5 GPM 199,900 BTU Natural Gas Indoor Tankless Water Heater, so I'm guessing the meter isn't getting the job done. Even with the HVAC and other appliances off, I ...

...Error code 12 shows 'condensation collar' and 'vent lengths' which are associated with the vent to outdoors. Changes in air pressure during low-pressure rain events MIGHT affect the ...

...error code 11 and cold water!.  I fixed it by cleaning the burner, as shown in this video:www.howtolou.com/clean-a-burner   Multiple error codes usually means PC board failure. Before ...

...error code 12 I have a rheem rtg-66 direct vent water heater. I was going to do some routine cleaning and service. I shut off the gas. Then, I realized the project would require more knowledge than I ...

...error code what is the solution? the problem is intermitent,when it does come on ,without the error code it works fine Copy following link for troubleshoot resources: ...

...error code and a C8 12 error code. What are they and can I fix them? Copy following link for Rheem tankless troubleshoot resources, including error codes, manuals, and general information for ...

why does the code c4 12 come up Tankless? Multiple error codes can mean bad PC board http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#error Gene Water Heater Timers Save Money

...Error code 12 It was giving error 11 which was rectified with a good cleaning... Also on the program chip, max is 21 and min is 28... Isn't that backwards? Can you help please? Code 11 &12 deal ...