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

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Model RTG-74PVN - - error code C7/76 and the unit shuts down - please advise????

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You will have to replace the board. You need to call Rheem at (334) 260-1500 and they will send you a new board and chip that can be self installed. Once put in place, you then need to call them again, so that you can program the chip. Then you will have it working again. Let me know how this turns out.



Benjamin

Posted on Jul 24, 2009

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Replaced mother board due to error code c2 11 as per rheem tech department. now code 11 flashes after 3 to 4 minutes of use and unit shuts off. WHAT NOW????


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

Dec 29, 2010 | Rheem Paloma PTG-74PVN / RTG-74PVN...

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

I keep getting a C2 11 error code. Unit lights and immediatly goes out showing that error. At other times it operates fine. The problem seems to be occurring more frequently. It has been in service...


that error code means not enough gas.
however, there might be something going on with your venting. it could be sucking exhaust air back into the unit. this will cause the same error code.
if your problem is intermittent, then I would suspect the venting to be the issue.

Aug 22, 2010 | Rheem Paloma Tankless Water Heaters...

2 Answers

Problem for Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor... What does C2 11 error code mean on my Paloma


hi pete here ill try and help this could be 2 things check the sensor on the unit the outher one is a qustion has the gas company changed your meter latley and turned off you gas and not come back to light your poilet because this code also means not enough gas or wrong type of gas

Nov 18, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

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...

2 Answers

Have a rheem rtg74pvp1 propane fires and runs for 6-7 min shuts down error code c7 then 13... will restart if cleared and started again


Basically this error means the input gas is restricted...line is too small. If the unit was working properly prior to this error code, you'll have to take the burner control assembly apart and perform some detailed...spring cleaning.

I have the procedure in PDF format...but unfortunately I don't have it with me at this time. Easiest thing at this point would be to call Rheem/Paloma Customer Support at (800-432-8373); advise them of the error code and they will send you the procedure in an easy to follow, step-by-step format. It's a fairly easy proccess, but takes about 3 hours to complete.

Thanks for trying Fixya.com

Mike...

Oct 26, 2009 | Rheem Paloma PTG-74PVN / RTG-74PVN...

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...

2 Answers

How to correct error code C-7 on my RTG-74PVN Rheem Pronto


I had the same problem and called the manufacturer. The error code C-8 was followed by the number 76. They told me to disconnect the thermostat/digital display from the main unit. This was fairly simple to do by removing the front panel. The unit works steady now without shutting down after a few minutes. The help desk told me that the main circuit board needs to be replaced for the unit to work with the display and that they would mail me one asap. At least we have hot water again.

Oakville, Ontario

Jan 11, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

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