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Randall, RVIA Certification
Category: RV
Satisfied Customers: 10996
Experience:  RVDA/RVIA Master Certified Technician with many years experience.
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My Penguin heat pump/A/C no longer puts out heat when I want

Customer Question

My Penguin heat pump/A/C no longer puts out heat when I want to go from 65 to 67. Heat does come on if I raise set point to 72.
If I leave set point at 67, it just runs and never stops.
Submitted: 10 months ago.
Category: RV
Expert:  Randall replied 10 months ago.

What is the thermostat you have here? You are talking about the heat pump and not the furnace?

Customer: replied 10 months ago.
My RV uses a Comfort Control thermostat which operates the other 2 roof units, as well as my Aqua Hot Diesel furnace Everything else works fine. This is a Dometic A/C Heat Pump combination unit. One other thing I have noticed, when i call for heat from the heat pump, it starts up immediately. It used to wait a few minutes before starting, The A/C seems to be working ok.
Expert:  Randall replied 10 months ago.

Is this a 5 button Comfort Control or the older 4 button model?

Customer: replied 10 months ago.
Oops I had the fan on high instead of. Auto. All is now working fine
Expert:  Randall replied 10 months ago.

That would do it! Thanks for getting back to me safe!

Expert:  Randall replied 10 months ago.

I am adding a link to a Dometic 5 Button Comfort Control trouble shooting guide for you in case you have an issue again. Print it out so you have it..........good stuff! And thanks for bringing your question to Just Answer.

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