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Question About Aprilaire Thermostat 8355
-AC error sign...

Hi, I just turn on the power supply back to the Heatpump and the thermostat, but now the thermostat is showing -AC sign. The heatpump is not working. Please help me with this as soon as you can. Thanks.

Asked by peter on 08/31/2008 1  Answer

ManualsOnline posted an answer 16 years, 2 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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