Quest – Sunlight Supply Quest Dual 155 Overhead Dehumidifier User Manual

Page 11

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1-800-533-7533

Quest 105, 155, and 205 Dual

Installation, Operation and Maintenance Instructions

11

www.QuestProtect.com

sales@QuestProtect.com

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Asset Protection and IAQ Solutions

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8.2 Troubleshooting

FOR THE END 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 filter 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.

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