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Heat Pump Stopped Working

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Jim
 Jim
(@j_a_wolfe)
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Woke up to discover my heat pump is blowing cold air. Planning to cut shore power to see if it will reset the unit. I would appreciate any other suggestions you might have.

Airxcel Model #48004-869

Thanks

 
Posted : February 9, 2019 1:15 PM
Jim
 Jim
(@j_a_wolfe)
Posts: 10846
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What is the outside air temperature?

 
Posted : February 9, 2019 1:22 PM
Jim
 Jim
(@j_a_wolfe)
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My guess it was in the mid 60's

 
Posted : February 9, 2019 9:15 PM
Jim
 Jim
(@j_a_wolfe)
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I think there is something in the control logic if you ask it for more then 8* warmer then the set point to current temp it will not turn on . try setting the heat pump to only raise the temp 5* the let it almost turn off and raise it again. 60* outside temps is fine . once it locks out heat pump it takes like 20 mins+ for it to try again.

 
Posted : February 10, 2019 7:41 AM
Jim
 Jim
(@j_a_wolfe)
Posts: 10846
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It's 57* outside and the heat pump worked fine this morning. I took your advice and ran the temp up on 5-degree increments and it worked.

I appreciate your help.

 
Posted : February 10, 2019 10:08 AM
Jim
 Jim
(@j_a_wolfe)
Posts: 10846
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The heat pumps normally works when the outside temp is above 40F. However, if the request temperature is set well above coach temperature, the furnace automatically cuts in and over-rides the heat pump.

Every time I use the heat pump I check the outside temp, then set it 5 degrees above the coach temp and work up slowly.

 
Posted : February 10, 2019 7:48 PM
Jim
 Jim
(@j_a_wolfe)
Posts: 10846
Member
Topic starter
 

It's 57* outside and the heat pump worked fine this morning. I took your advice and ran the temp up on 5-degree increments and it worked.

I appreciate your help.

leave the heat pump turned on before you go to bed . set to a temp that is reasonable to wake up to . Cold start on the heat pump it takes a lot longer to catch up.

 
Posted : February 10, 2019 9:59 PM
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