16
QUEST 100
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
QUESTCLIMATE.COM
(877) 420-1330
Compressor is not running. Dehumidification is being called for. No fan call.
1. Defective compressor run capacitor.
2. Loose connection in compressor circuit.
3. High pressure switch open or unplugged.
4. Defective compressor.
5. Compressor relay defective or unplugged.
6. Temp & RH sensor reading above 120 F or below 40 F, or sensor is bad or unplugged.
Compressor cycles on and off. Dehumidification is being called for. No fan call.
1. Low ambient temperature and/or humidity causing unit to cycle through defrost mode.
2. Evaporator temp sensor bad or unplugged.
3. Defective compressor.
4. High pressure switch defective.
5. Dirty air filter(s) or air flow restricted.
6. Bad control or power board.
Fan is not running. Dehumidification or fan is being called for.
7. Loose connection in fan circuit.
8. Obstruction prevents fan impeller rotation.
9. Defective fan.
10. Bad control or power board.
Low dehumidification capacity (evaporator is frosted continuously). Dehumidification is being called for.
11. Evaporator temp sensor bad or unplugged.
12. Low refrigerant charge.
13. Dirty air filter(s) or air flow restricted.
14. Excessively restrictive ducting connected to unit.
Unit removes some water, but not as much as expected.
15. Air temperature and/or humidity have dropped.
16. Humidity meter and or thermometer used are out of calibration.
17. Unit has entered defrost cycle.
18. Air filter dirty.
19. Low refrigerant charge.
20. Air leak (eg. loose cover or ducting leaks).
21. Defective compressor.
22. Restrictive ducting.
23. Unit is in (Lo)w fan mode.
24. Evaporator temp sensor bad or unplugged.
25. Temp and RH sensor off calibration. Reading lower than actual.
Summary of Contents for 100
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