Airxcel 46101-8114, Service Manual

Page: 12 / 19

AUTO GEN CHECKOUT
Thermostat should be calling for Heat or Cool.
-12-
12 VDC On Either Yellow Or Gray Wire To
Blue On Wall Thermostat Plug At Unit
YES
12 VDC At 4 Pin Plug
Red (+) & Black (-)
NO
Check All Wiring And Connections From Indoor
Section To Thermostat. Repair As Needed. If
All Are Good, Replace Thermostat.
YES Refer To APU Service Guide
NO
Check All Wiring And
Connections To P.C. Board.
If Connections Are Good,
Replace P.C. Board.