APPENDIX
COMPRESSOR/DEHYDRATOR TROUBLESHOOTING GUIDE
(continued)
SYMPTOM
PROBABLE CAUSE
TEST PROCEDURE/
CORRECTIVE ACTION
2. Compressor motor
Defective capacitor (cont'd). Replace capacitor.
attempts to start, but will
not run (cont'd).
Frozen motor/ compressor
With power off, insert 6mm
Allen wrench into hole in
finned aluminum housing
on end of compressor and
attempt to turn by hand. It
should turn freely in either
direction.
If not, motor/compressor is
frozen and must be
repaired or replaced.
Circuit breaker tripped.
Restart unit while
depressing red unloader
valve tab.
If circuit breaker still trips,
check for low voltage at
power outlet, defective
circuit breaker, or dirty
unloader valve.
Replace/repair/ clean
applicable component.
MD0366
A-2
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