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Have a rheem integrity 20 wont heat water flashing code c2 11

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  • taran_2005
    taran_2005 Aug 19, 2010

    Hi,

    This error code also indicate that the burners are clogged/dirty. Contact Rheem via the phone number in your owners manual and they will send you an 11 page document on how to clean these yourself. It is pretty intricate, but if you consider yourself very handy than this might be an option for a DIY. Be fore starting this project make sure that you have some "Air in a Can" like you would use on a keyboard. Also a ziplock bag for putting all the little pieces/parts into, so they don't get lost.

    Thanks!!

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Check float sensor

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1 Answer

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...

1 Answer

Remote is flashing C8 and 76, alternating. I turn the unit off, then back on, and I get hot water for about 10 seconds, then it goes cold and the same error message occurs. Unit is Rheem Main Remote...


Before calling service technician, open following links for Rheem tankless resources including error codes and Rheem chat.
Disconnect wires from remote to see if system stabilizes. Unit will heat to default temperature without remote.

Error codes are considered start-point for troubleshooting.
C8 76 can mean PC board failure.
76 can mean communication failure with remote control
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/ErrorcodeTroubleshooting.pdf
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf

Jul 31, 2011 | Rheem Tankless Water Heater Main Remote...

1 Answer

Rheem tankless water heater eco180-dvn has flash error code 13. Any solution? Called Rheem, only said venting problem, wouldn't provide the next step. Thank you.


Rheem wants customers to call trained service technician since error codes are start-place for troubleshooting, and problems can be combination of issues.
Risk of CO poisoning from improper vent, or clogged drain line causing damage to heat exchanger, and risk of homeowner working on complicated gas-burning appliances are reasons why Rheem instruction manuals recommend yearly maintenance by trained technician.
That maintenance would typically cover most common error code issues, and homeowner could gather tips and information from service tech.
Open following links for Rheem troubleshooting resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/Error-code-13.pdf

Jul 12, 2011 | Rheem Water Heaters

1 Answer

The water heater cuts off every night while taking bath. The water turns cold and up to the attic we go to reset. A code of C713 is flashing.It also is flashing the code 1L after resetting. This is a Rheem...


I am a free answerer, and I specialize in giving you resources for free
The paid answerers may have a person who knows your product and the error codes
The manual will also have the error codes.
The person who installed the unit will also know the error codes (or should know)
Each day I see 20-25 unanswered questions about tankless water heaters.
The number of questions shows the complexity of the machines, and the inability of the manufactures to take care of their customers.
The manufacturer will refer you to the installer.

http://www.thetankatwaterheaterrescue.com/forums/forum3/

http://www.rheem.com/products/tankless_water_heaters/
The link above goes to Rheem tankless water heaters
Click on a product and it opens a page showing many tankless models
Click 'more information' and another page opens with spec sheets and other pdf
Not surprisingly there are no troubleshooting steps or troubleshooting flowcharts
There are plenty of ways to buy a tankless
There are not many ways a do-it-yourselfer can fix a tankless

Oct 30, 2010 | Rheem Tankless Hot Water Heater...

1 Answer

Rheem Integrity 24 Has Error LO79 can someone tell


79 is fan motor current fault or circuit board you will have contact rheem

Jun 07, 2010 | Rheem Tankless Hot Water Heater...

1 Answer

PTG-74PVN Error Code -0 14 and LED on the controller board flashes 4 blinks every 6 seconds. Fan turns on few seconds after power up then stops. No fan, no spark, and no fire when water flows. Where can I...


code 14 is a big deal shut that thing down! you will burn it up if you keep running it, your over heat wrap on the heat exchanger is too hot. call rheem they can walk you through it

Aug 12, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

1 Answer

My rheem umc-117 controller flashes an IL code.


it means that you have lime build up in the heat exchanger and it needs to be flushed out ASAP!!

Jun 27, 2009 | Rheem Tankless Water Heater Main Remote...

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