SOURCE: C8 and13 error code, what does that mean?
refere to manual is heater working normal ? answer is in manual best of luck
SOURCE: New Richmond tankless water heater C8 error
I think error code C8 is #13
It has to do with air quality, lack of sufficient air, or lack of venting or dirty air filter.
Check following links to see if they have information:
Check following link for recall list:
http://www.tankless-recall.com/tanklessSearch.aspx
Manual shows error 05 or 13:
http://waterheatertimer.org/pdf/Rheem-RTG74IndoorOutdoor_owners.pdf
SOURCE: error Im getting is C8 82
Before calling service tech, copy following link for Rheem-Paloma troubleshoot resources:
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html
C8 is usually the PC board, or could be failed gas solenoid valve.
82 is gas-type-data-failure = program PCB for proper gas type, or proper altitude above sea level.
If this is new installation, Rheem-paloma might tell you to contact the installer.
If this is older tankless that worked before, then things point to failed PC board. Rheem-paloma may send you new PCB for free if unit still under warranty period for defect parts.
Rheem does not post service manuals, but will send instructions.
Hopefully the success rate for replacing your main PC control board will have better outcome than expected when replacing motherboard on your computer.
Perform regular maintenance to avoid some common error codes.
If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7
SOURCE: Paloma tankless water heater model no PTG-74XP-2 error code c8
In several cases i have had to change the pcb board.... code 76 is no communication between remote thermostat and pcb..... this is a problem the first generation rheems seem to be having.... contact rheem if under warranty you will need to get pcb and program chip sent to you. Really need a experienced tech to install board and program it for you...... hope this helps...
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