Atwood Water Heater Won't Operate on Gas
My LP/110V Atwood works great when I'm hooked up, but doesn't work at all on gas. Is the 110V system separate from the LP side because the 12v side doesn't seem to be getting power (when I remove the ...
Forum Discussion
Being an 8E means it has separate controls for electric and propane systems
AC side has it's own set of t-stats and on/off switch located on backside of WH Tank.
You stated that it works---heats water
Propane System uses DC power.
First thing to check if not working is the 'thermal cut out' fuse.
Goes from control module to t-stat (brown wire)---it is a one time fuse blows at 190*F. If blown.....no DC to operate propane side.
You can remove it (for testing) and hook brown wire directly to t-stat.
Turn water heater propane on and check for spark and main flame.
If the thermal fuse blew it is do to a dirty/obstructed combustion chamber (flame blow back outside of combustion chamber so clean it)
If bypassing thermal doesn't work then you need to test for 12V DC power and where you are loosing it.
AC side has it's own set of t-stats and on/off switch located on backside of WH Tank.
You stated that it works---heats water
Propane System uses DC power.
First thing to check if not working is the 'thermal cut out' fuse.
Goes from control module to t-stat (brown wire)---it is a one time fuse blows at 190*F. If blown.....no DC to operate propane side.
You can remove it (for testing) and hook brown wire directly to t-stat.
Turn water heater propane on and check for spark and main flame.
If the thermal fuse blew it is do to a dirty/obstructed combustion chamber (flame blow back outside of combustion chamber so clean it)
If bypassing thermal doesn't work then you need to test for 12V DC power and where you are loosing it.
