Question about Rheem EcoSense by 4.2 GPM Tankless Water Heater LP Gas

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I have a rheem tankless water heater. It is not working properly the error code is c5 11. Please help asap

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Water in hose coming from gas valve caused unit to shut down how do I get water out

Posted on Apr 21, 2013

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Posted on Jan 02, 2017

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

  • 1 Answer

SOURCE: tankless water heater error code 11

I had the same code 11 with my Richmond tankless hot water heater.
The problem was with exhaust gasses getting sucked back into the intake tube. This robbed the combustion chamber of oxygen causing it to shut down. A simple adjustment to make sure those gasses could not mix at the intake/exhaust port fixed it.

Posted on Oct 25, 2009

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SOURCE: My Paloma tankless water heater flashes C2 11 error code

I just had the same problem and I fixed it in about an hour or 2. First shut off the gas,water and power(unplug it) Take off the cover There are about 20 screws above the electrical circuit board. You have to remove all of those screws to remove plate that is covering the burner assembly. The burner assembly has these 3 pins that look like number 7's these are covered with build up and gas can't flow right. That's why you get the c211 error not enough gas. Take a wire brush and gently remove any build up, I also cleaned the thermocoupler which is next to the burners. It looks like a metal pin with a couple of wires coming out of it this was also very dirty. I took a can of air and basically freshened it up It works perfect now. Email me with any Q's at Mario@myredr.com Good Luck All that you need is a long phillips screw drive and a drill because its about 25 screws
The burner assembly has 2 screws all the in back underneath the assembly once you remove those 2 the assembly comes out . You don't have to disconnect any wires.

Posted on Oct 29, 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

  • 67 Answers

SOURCE: Can't find manual & have a C7 error code.

need to contact rheem what you can do until then is remove the control wire it will run until parts ship out

Posted on Jul 31, 2010

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What does error code 13 mean?


1) Copy following links for Rheem tankless error codes
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
http://waterheatertimer.org/pdf/Tankless-Error-code-13.pdf

2) Maintain water heater as shown in product manual to avoid common error codes.

Dec 28, 2012 | Rheem EcoSense by 7.4 GPM Tankless Water...

1 Answer

Rheem Eco Sense PTG2-42PVV error messages


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

May 18, 2012 | Water Heaters

1 Answer

Help with error code


Before calling service technician, open following link for Rheem tankless troubleshooting resources including error codes and typical maintenance:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Mar 20, 2012 | 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

Comes on for appx 20sec then gives code ao21


Before calling service technician, open following link for Rheem troubleshooting resources including error codes, Rheem chat and phone number, possible instruction manual, maintenance manual.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Error codes are considered start point for troubleshooting.
Error code 21 is "malfunction of air intake filter switch"
Make sure air filter door is properly seated.
Make sure front panel is properly installed.
http://waterheatertimer.org/pdf/Tankless-maintenance.pdf

Aug 25, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

Error code e2 on Rheem tankless water heater


e2 is not shown among common error codes:
Error e2 might be: Brownout condition or too low of voltage to thermostat. Double check wiring and check for 24 vac between R and C. E2 will clear 15 sec after proper voltage is restored.

Before calling service technician, open following link for Rheem troubleshoot resources including Rheem chat and typical generic manuals and common error codes:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html

Model number and serial number are required for Rheem contact, and then they tell you what error code means without saying how to fix it, and then tell you to call service technician.

Tankless water heater manuals each say to have qualified technician perform yearly service. Most causes for common error codes are covered by yearly service.

Yearly service is fairly standard in the HVAC and water heater industry with advancement of high-tech 'energy' saving appliances. Of course all costs are energy, and the service call probably costs more that the 'energy' saved by energy-saving appliance. But with high tech stuff like tankless, it is good to have a reliable service guy who knows your machine.
http://waterheatertimer.org/images/Tankless-wiring-1200.jpg

Jul 27, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

Rheem tankless propane hot water heater error code C7. Cant get hot water. It keeps shutting off and then once turned back on wont work and gives the C7 code. What does it mean?


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

I believe error code C7 is same as error code 76

Add a comment for more free help.
Also 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.

Feb 17, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

Model RTG-42PVP my display is switching back and forth between A1 and 21.


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

I believe error code A1 21 is malfunction of Air intake filter switch
Ensure air filter door is seated.
Ensure front panel properly installed

Add a comment for more free help.
Also 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.

Feb 12, 2011 | Rheem Tankless Hot Water Heater...

1 Answer

My tankless is shuting off or flashing C4 and/or C7


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

I believe error code C7 is same as error code 76
http://waterheatertimer.org/pdf/Rheem-error-code-C7-76.pdf

Add a comment for more free help.
Also 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.

Feb 09, 2011 | Rheem Tankless Hot Water Heater...

2 Answers

FLASHING CODE C-7 WILL WORK FOR A WHILE THEN STOPS


disconnect the remote and see if the unit works properly; could be lost comm. between the burner control module and the burner assembly.

If your getting error code 76; contact Rheem customer support at (800-432-8373) and notify them IF you are getting a code "76" error

Mike...

Nov 15, 2009 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

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