Sunlight Supply Quest Dual 110 Overhead Dehumidifier - Manual (Page 11)

1-800-533-7533
Quest 110 Dual Installation, Operation and Maintenance Instructions
11
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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.
Blower does not run with fan switch in either position. Compressor runs briefly but cycles on and off.
1. Loose connection in blower circuit.
2. Obstruction prevents impeller rotation.
3. Defective blower.
4. Defective blower switch.