1-877-420-1330
Quest 150 Dual
Installation, Operation and Maintenance Instructions
10
www.QuestClimate.com
8.2 Troubleshooting
FOR THE USER:
If the unit does not work properly, please check the following:
— Is the unit unplugged?
— Is power to outlet on? (check switch, if applicable)
— Is circuit breaker tripped?
— Is humidity control set? (turn to “ON”)
— Is air flow restricted? (check air filters and grill)
If none of the above, call dealer or 1-800-533-7533.
FOR THE HVAC PROFESSIONAL:
No dehumidification. Neither blower, nor compressor run with fan switch AUTO.
1.
Unit unplugged or no power to outlet, circuit breaker tripped.
2.
Humidity control set to “Humid” setting.
3.
Loose connection in internal wiring.
4.
Humidity control is defective.
No dehumidification. Compressor does not run but blower runs with fan switch AUTO and humidity control turned to
ON.
1.
Defrost thermostat open, ambient temperature too low.
2.
Loose connection in compressor circuit.
3.
Defective compressor overload.
4.
Defective compressor or compressor run capacitor.
Blower runs with fan switch AUTO but compressor cycles on & off.
1.
Low ambient temperature and/or humidity causing unit to cycle through defrost mode.
2.
Defrost thermostat defective.
3.
Defective compressor overload.
4.
Defective compressor.
