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Quest DRY 180 Installation, Operation and Maintenance Instructions
10
www.QuestHydro.com
8.2 Troubleshooting
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.
Evaporator coil frosted continuously, low dehumidifying capacity.
1. Dirty air filter or air flow restricted.
2. Defrost thermostat loose or defective.
3. Low refrigerant charge.
If none of the above has fixed the issue, call the service department at 1-800-533-7533.
9. Optional Accessories
4025845
Condensate pump kit
4026055
Duct connection kit
4026607
Leveling casters set (4)
