Durning the summer I had my Dometic A/C swapped out for an Atwood Air Command Heat Pump. It worked great on Air Conditioning but would not work on heat pump. It would not let me even turn on the gas furnace. Customer service was clueless when I called them. The agent claimed it was not cold enough for the heat pump to work ....duh.....49 degrees is plenty cold enough.......after getting frustrated with the agent I called the company that installed it. They came and decided I needed to bring it in the the shop. For 2 days they claim they have been trying to figure out what is wrong. It has a 2 year warranty why not just replace the whole thing instead of fiddling around.....I suspect it was wired wrong when it was installed....

If it was wired wrong when it was installed, replacing it won't help. It will still be miswired. They do need to diagnose the problem. Throwing parts at a problem is a poor, and expensive, way to fix it.

I thought atwood got out of the RV heating business?

I agree just looking at the OP post at face value. looks like it might be a wiring issue. Doing retro jobs are higher risk vs a direct install, requires a higher skill level that includes, diagnosing, abstracting and implementing.Mike

If the furnace will not turn on, there may be a lack of signal from the thermostat or any of another hundred reasons. I learned early in a career of fixing things that consequent time-line or juxtaposition to other related pieces can make the puzzle even more difficult.I guess you could call the shop and ask for an estimated time of completion if you're growing impatient. Sometimes, I chose to let everyone work at their own speed.

The thermostat probably needs to be programmed...will have to go into the Menu to check if the original thermostat is capable of operating a Heat Pump...if not will have to change it out.Whenever you have a can of worms....GO FISHING.

Can of worms | Good Sam Community

seaeagle2
Explorer
Nov 11, 2017
Aren't some of the Dometic thermostats "communicating", meaning they don't have a separate wire for each function, but a circuit board sorts out the signals. If you switch to a different brand of air handler, it won't sort out the signals correctly.
PastorCharlie
Explorer
Nov 11, 2017
The thermostat probably needs to be programmed...will have to go into the Menu to check if the original thermostat is capable of operating a Heat Pump...if not will have to change it out.

Whenever you have a can of worms....GO FISHING.
westend
Explorer
Nov 11, 2017
If the furnace will not turn on, there may be a lack of signal from the thermostat or any of another hundred reasons. I learned early in a career of fixing things that consequent time-line or juxtaposition to other related pieces can make the puzzle even more difficult.

I guess you could call the shop and ask for an estimated time of completion if you're growing impatient. Sometimes, I chose to let everyone work at their own speed.
mdcamping
Explorer
Nov 11, 2017
I agree just looking at the OP post at face value. looks like it might be a wiring issue. Doing retro jobs are higher risk vs a direct install, requires a higher skill level that includes, diagnosing, abstracting and implementing.

Mike
donn0128
Explorer II
Nov 11, 2017
I thought atwood got out of the RV heating business?
Bobbo
Explorer II
Nov 11, 2017
If it was wired wrong when it was installed, replacing it won't help. It will still be miswired. They do need to diagnose the problem. Throwing parts at a problem is a poor, and expensive, way to fix it.

Forum Discussion

Can of worms

About RV Tips & Tricks

Related Content

ransom ware worm

Worms in my Trailer??

Can 'O Worms: how long can I expect my 5er to last?

Bucket of worms

Opening a can of worms.......