Question about Rheem Paloma PTG-74PVN / RTG-74PVN Natural Gas Indoor
Paloma tankless water heater, 2 yrs old, C7 76 error code. How do I fix this?
If you look on the left hand side of the burner control module you'll see 4 capacitors - the capacitors have most likely failed...pretty sure anything code 76 is P/S failure. It may also be covered for manufactures defects. If the cap is blown..the top will be slightly raised as apposed to flat like the other nearby caps - they are called top blow capacitors...the damage should be evident.
Posted on Nov 01, 2009
My Paloma tankless water heater had a code of C7 - 76. I called the service center at 866-720-2076 and they stated this code showed a communication error between the Water Heater and the thermostat; they stated it was still under warrantee and they would replace it for free. Also, I found out there was a recall related to the door properly shutting. To make it work while waiting for the repair, I would turn off the thermostat, wait 2-3 minutes, and turn it back on. Usually it would work for enough time to shower.
Posted on Oct 06, 2010
It's the remote controller remove it(the remote controller wires) and see if it kicks on and works fine, if not you have more problems! it would probably be the printed circuit board
Posted on Jul 29, 2009
My Paloma tankless hotwater heater is not producing hot water. I get error message C 8 76. What does this mean?
Posted on Aug 10, 2009
I have error codes ao21 and 76 on a gas heater. the unit will give hot water for 4-5 min and turn off. can any one help
Posted on Jun 25, 2011
On a Paloma 42PVN, 2006 model, we got the C7 76 error. After collecting serial number etc. they arranged shipping of a replacement board and professional installation on their nickle without batting an eye. Good on them!
Posted on Dec 30, 2011
I am getting error c4 76. Can anyone help?
Posted on Oct 04, 2014
Sandy October 2012
I just talked to Rheem at 800-432-8373. They are sending out a circuit board and "As a courtesy, a technician to install it". They were very helpful. I certainly would recommend trying them first.
Posted on Oct 08, 2012
I second what rpatterson said. Soon as I mentioned that code, he said it was the pcb board and they are over-nighting the new board and will have it installed free of charge! Talk about service! Also, it if I turn the unit off and back on, I typically can get a shower in before it stops working again.
Posted on May 23, 2012
Before calling service technician, open following link for Rheem
tankless troubleshooting resources including error codes and typical
Posted on May 22, 2012
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Posted on Jan 02, 2017
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