Instruction manual

Page 10 10-1008-177 Rev 1
Symptoms and Possible Causes:
SYMPTOM POSSIBLE CAUSE
Unit won’t cool * Clogged fins on coil(s)
* Dirty filters
* Blowers/fans not running
* Compressor not running
* Compressor runs, but has bad valves
* Loss of refrigerant
Compressor tries to start but won’t run * Low line voltage at start. Should be +/-10% rated voltage
* Compressor motor stuck
* Bad contactor
* Bad overload switch
* Bad run/start capacitor
Unit blows breakers * Under sized breaker/fuse or not time delayed
* Short in system
Getting water in enclosure * Drain plugged
* Drain tube kinked
* Enclosure not sealed (allowing humidity in)
* Mounting gasket damaged
For additional technical support contact McLean Cooling at 866-545-5252.