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

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I have a Rheem tanklees water heater, model RTG-74XN-2. The remote shows the following error code. C4 then the number 76 then C4 then 76. What does this code mean??

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Contact Paloma/Rheem 866-720-2076. Super nice! I just called regarding mine. Having same problem Rheem Paloma sending parts out tomorrow overnite. Try turn it on/ off by moving tiny switch under the unit that tells you the temperature. Run your fingers along the bottom to find it. That is a temporary fix. Below is a website with all the error codes, so you know what is wrong. Good luck and blessings!

http://www.palomastore.com/paloma_error_codes.html

76
Communication Fault with Remote Control Check remote control wiring for loose or damaged connections. Bypass remote control cable by connection remote directly to remote control terminals on PCB (replace cable if found to be faulty). Replace remote control. Replace PCB

76
Communication Fault with Remote Control Check remote control wiring for loose or damaged connections. Bypass remote control cable by connection remote directly to remote control terminals on PCB (replace cable if found to be faulty). Replace remote control. Replace PCB

76
Communication Fault with Remote Control Check remote control wiring for loose or damaged connections. Bypass remote control cable by connection remote directly to remote control terminals on PCB (replace cable if found to be faulty). Replace remote control. Replace PCB

76
Communication Fault with Remote Control Check remote control wiring for loose or damaged connections. Bypass remote control cable by connection remote directly to remote control terminals on PCB (replace cable if found to be faulty). Replace remote control. Replace PCB

Posted on Nov 09, 2010

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

Posted on May 19, 2012

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Related Questions:

1 Answer

Ptg 74pvn 2 rtg 74pvp


copy following links for rheem/eco-sense error codes, manuals, required yearly maintenance, support number and resources.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
Probably bad PC board, or bad remote control

Gene
h

Nov 22, 2013 | Rheem EcoSense by 4.2 GPM Tankless Water...

1 Answer

Error code C4 76


Error 76 is communication fault with remote control, or bad PCB board.

Copy following link for Rheem tankless troubleshoot:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Call Rheem, and they will recommend service technician.
800-432-8373

Make sure your unit is serviced yearly to prevent common error codes. Which defeats the robust $100 expected yearly savings from owning a tankless water heater.

Oct 13, 2012 | Rheem Paloma PTG-74PVN / RTG-74PVN...

1 Answer

C4 76 error code on richland waterheater


Richland tankless is made by Rheem.
C7-76 is communication fault with remote.
Turn off power at remote and wait 5 minutes, turn power back on at remote, and see if problem clears.
If problem continues, read below:

Before calling service technician, open following links for troubleshoot resources including error codes, Rheem chat, typical maintenance manual:
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Tankless water heater, more than any other type of heater, need to be maintained.
Maintaining tankless will probably not affect C7 76 fault code, but can prevent many other common error codes.
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf

Sep 14, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

I have a poloma model/ pt62-42pvn its flashing error code c4 76 i have had no hot water for six days now need help


1) Before calling service technician who can test parts, open following link for Rheem resources including error codes, Rheem chat and phone number, possible manual:
If local technician cannot solve problem, Rheem can probably recommend a person.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

2) Error codes are start-point for troubleshooting.

3) Multiple error codes can indicate PC board failure.
If your computer motherboard fails, most people feel the computer is compromised even after motherboard replacement.

4) Error code C7-76 is communication error with remote, and can include bad remote, bad wire to remote, loose wire, or bad PC board.
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf

5) Error C4-13 can include part failure, vent problem, oxygen depletion, and can also include PC board failure.
http://waterheatertimer.org/pdf/Error-code-13.pdf

6) Tankless routine maintenance manual:
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf

7) Some posts about tankless concede that qualified technician was unable to repair unit.
Solve most tankless problems yourself, same day, for about $350.
http://waterheatertimer.org/How-to-install-gas-water-heater.html

8) Take a moment and rate answer:
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Sep 08, 2011 | Rheem Paloma Tankless Water Heaters...

1 Answer

I have a Rheem rtg 74dvp but its not heating and the display show me 1 76 and 2 76, and come all the time to 76 F and another times its blinking the temperature, but not heat


Error code 76 is communication problem between remote control and tankless unit.
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf
Multiple error codes could indicate that main PC board is bad.
Before calling service technician, open following link for troubleshooting resources including link to Rheem chat, manuals, error codes, etc.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Jul 15, 2011 | Rheem Tankless Water Heater RTG-74DVP...

1 Answer

We have enjoyed a Rheem Thermostat and a Paloma Eco Sense tankless gas water heater #RTG-74XN-2 for 2 and 1/2 years, but now there are error codes flashing and resetting the thermostat doesn't hold. ...


Before calling service technician, open following links for Rheem troubleshooting resources, including generic error codes and contact information for Rheem and recent manuals:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://www.fixya.com/tags/rtg_74pvn

Error codes are start place for troubleshoot, and multiple error codes can indicate bad PC board.
Same error code on one machine can be different cause and solution than another machine.

Error 76 is usually communication problem with remote control.
Disconnect wires from machine, and clean terminals is a start point.
Wire between machine and remote might be bad, or remote control is bad, or PC board or wiring connections are bad.

The problem might be solved by having technician catch the machine up on yearly maintenance.

Manual for same-similar product shows maintenance and troubleshooting and a few error codes, but not 76:
For the most part, the manual recommends calling service technician instead of offering DIY details.
http://waterheatertimer.org/pdf/DirectVentManualRTG-74PVN-1.pdf

Add a comment for more help.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on water heater or any do-it-yourself project.
Fixya is always less expensive than a service call.

Jun 05, 2011 | Rheem Paloma PTG-74XN / RTG-74XN Natural...

1 Answer

My tankless indoor water heater has an error code C4 76


Error code 76 indicates a communication error with the electronic board and the unit. Call Paloma/Rheem with the serial number and model number of your unit and they will, in most cases, send you a new board with instructions on how to easily replace the board.

Tech Support: 800-432-8373.

Nov 21, 2010 | Rheem Paloma Tankless Water Heaters...

2 Answers

Rheem Tankless wh model rtg-74pvn shuts off error code c4 76


Contact Rheem; the Burner control unit has lost comm with the remote...the part is warranteed for up to five years.

Nov 01, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

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