Question about Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor

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Rheem tankless error 11 - Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor

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  • Rheem Master
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1) Copy following links for troubleshoot resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://hometips.me/Tls/Tankless-error-code-11.pdf

2) Probably bad PC board.

3) Add comment and say what you find

Posted on Jan 19, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 67 Answers

SOURCE: rheem gas tankless water heater with error code c4 13

problem is inside burner compartment o2 sensor dirty or block..need to have a qualify technician clean it.

Posted on Jul 31, 2010

gary1121
  • 332 Answers

SOURCE: rheem tankless water heater wont lite

the system was not sized properly, you need to have a 3/4 gas line to the unit for the volume of gas it needs, the tankless water heaters need to have every bit of gas that is says, it sounds like who ever installed di not make sure you had enough gas comming in the house, you might have to either have a new meter installed or run the gas lind directly from the meter to the water heater and cap off the gas line thats there

Posted on May 29, 2009

  • 2 Answers

SOURCE: tankless water heater error code 11

I was having the same problem untill I reallized it was my venting system. Test the water heater with no vent on top. Disconnect the vent pipe from the water heater and try turning on the hot water. the water heater needs a special adapter to vent the direct vent water heater. One other thing you can check is the gas pressure in your home. You have to have between 7 and 8 WC (water Column) for the tankless water heaters. You can call your gas supplier to find out what you have.

Posted on Jul 04, 2009

  • 244 Answers

SOURCE: I have a 1L error code. Can you help?

Hi stevenandarl,
Contact Paloma/Rheem customer (800-432-8373) support; tell them the code you are displaying. Rheem will send you instructions via email if you feel you can perform this operation yourself. Or they will recommend a professional in your area to help you.

Mike...

Posted on Nov 26, 2009

  • 1 Answer

SOURCE: -0 82 error code PTG-74PVN Rheem tankless

I had the same problem, but when you change the PCB the chip has to be reset regardles of the elevation so it can communicate properly. The rest is easy, Find the DIP Switch located on the top left side of the PCB set switch #1 & #2 to the ON position push and hold the adjustment buttom till the display changes from flashing to illuminating the reset the DIP switch #1 & #2 to the OFF position and you are ready to go.

Posted on Dec 01, 2009

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1 Answer

I am getting a C2 11 problem error on my Rheem tankless water heater, What that mean?


Just how much did you investigate this on the internet before asking here? I Googled " Rheem C2 tankless water heater" and found http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html. Look under Error Codes. Code 11 refer to gas supply/ignition. If you don't know much about tankles water heaters or gas ignition, call a Rheem Tech.

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1 Answer

Manual


Copy following link for Rheem tankless troubleshoot resources, including error codes, manuals, and general information for maintaining your tankless computer that heats water.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
Multiple error codes can indicate failed PC board. Rheem will send PC board... so your computer-that-heats-water might have failed motherboard.
Continual maintenance can help avoid common error codes, but some problems are insoluble and chronic.

Jul 16, 2013 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

Rheem tankless water heater error code 11


Error 11 is ignition failure, or insufficient gas, or defective sensor, dirty combustion parts.
Do the yearly required maintenance such as cleaning the combustion parts, and error code will probably be solved.
Problem is Rheem does not post service manuals for people to learn how to service their equipment without calling service tech.
Copy following link for Rheem troubleshoot resources
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

The cost of yearly maintenance will easily eat away the expected yearly savings of $100 for typical family of 4.

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Error code 11


Open following link for rheem tankless resources, includingerror codes and typical maintenance.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Jan 28, 2012 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

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Rheem Integrity 20 not always lighting. Showing code C2 11


Before calling service technician, open following links for Rheem/Paloma troubleshoot resources including error codes:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/No-Error-Code.pdf

C2 11 is no ignition.
Clean combustion parts yearly as recommended in manual is first step.
Other causes can be loose wiring, bas gas valve, dirty air intake, bad venting, bad sensors etc.
Test these parts using service manual. Call Rheem since Rheem does not post service manuals.

Oct 06, 2011 | Rheem Tankless Hot Water Heater...

2 Answers

I am getting a C2 11 code on my eco sense tankless water heater. There is also a flashing 24, any ideas? Thanks


Multiple error codes can mean PC board failure.
C2 11 is no ignition.
Error 24 is malfunction of operational switch: "press max or mim button on PC board, or replace PC board." On some models, max and mim button can be located just above dip switches, and rotates with screwdriver. See diagram in manual.

Before calling service technician, open following links for troubleshoot resources including error codes, Rheem chat, and possible manual.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/ErrorcodeTroubleshooting.pdf

Aug 10, 2011 | Rheem EcoSense by 7.4 GPM Tankless Water...

2 Answers

We are getting multiple codes. Can someone help us. Last year we got cod c2 11 which we found out we just have to clean the probes in the unit. So we did that yesterday again and everything worked great,...


Rheem, Richmond, Ruud, and Paloma are all the same manufacturer. After about 9 months, my tankless RTG-74PVN started giving me error code 11 and cold water!. I fixed it by cleaning the burner, as shown in this video:
www.howtolou.com/clean-a-burner

Jul 31, 2011 | Rheem EcoSense by 7.4 GPM Tankless Water...

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