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Open Roads Forum  >  Tech Issues

 > New AC fan runs constantly

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draboo

Cypress RV Park, Myrtle Beach,SC

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Posted: 04/15/19 03:38pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 2002 Holiday Rambler Neptune 34PDQ diesel motorhome. I just installed an Atwood 15028 AC unit, which has a heat pump for providing heat also.. It performs great, except for the fan not shutting off when it reaches the correct temperature. I have left it run for hours on AC/AUTO, checked the air temp on the thermostat, raised the temp so the fan should shut off, but it does not. I have found out that the sensor for the temp is not in the thermostat itself,but in the return air duct somewhere in the AC unit.

Does anyone else have this make/model of AC unit and have any input?

Here is a link to the unit I installed:Atwood 15028

Thank you very much.

enblethen

Moses Lake, WA

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Posted: 04/15/19 08:28pm Link  |  Quote  |  Print  |  Notify Moderator

Verify that the thermostat fan setting is set to "auto" and not "on".


Bud
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draboo

Cypress RV Park, Myrtle Beach,SC

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Posted: 04/16/19 04:27am Link  |  Quote  |  Print  |  Notify Moderator

It is on Auto. In fact, last night I tried the heat pump on Auto.The fan does turn off with the heat pump when set on Auto but not on AC when set on Auto.

enblethen

Moses Lake, WA

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Posted: 04/16/19 06:28am Link  |  Quote  |  Print  |  Notify Moderator

Verify the wiring inside the unit.

enblethen

Moses Lake, WA

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Posted: 04/16/19 07:33am Link  |  Quote  |  Print  |  Notify Moderator

Verify the thermostat setup and wiring.

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