CA / CT SERIES
CAP600
Page
27 of 30
REV D July 2013
Troubleshooting
Problem
Cause
Remedy
1
Unit won’t start
•
Power not on
•
Fuse blown
•
Low voltage supplied
•
Worn pressure switch contacts
•
Starter overload tripped
•
Broken / loose electrical
connections
•
Check breaker and / or disconnect
•
Replace the fuse or disconnect
•
Contact distributor
•
Replace
•
Reset starter overload
•
Check electrical connections
2
Flywheel / motor
rotating clockwise
•
Incorrect lead connection
•
Reverse the leads
3
Flywheel /motor
rotating slowly
•
Excessively dirty oil
•
Heavy lubrication oil
•
Oil thick due to low temperature
•
Belt slipping
•
Incorrect voltage
•
Change the oil
•
Use correct oil
•
Increase ambient temperature above
40°F
•
See 6
•
Contact distributor
4
Excessive
Vibrations
•
Vibration pads not installed
•
Unit not leveled
•
Unit not securely fastened
•
Install vibration pads
•
Level unit with metal shims
•
Check for loose bolts on foundation,
compressor, and motor
5
Compressor
overheats
•
Ambient air temperature too high
•
Degraded oil
•
Incorrect oil
•
Clogged Air Intake
•
Interior or exterior fouling of the
intercooler
•
Ensure adequate ventilation
•
Change oil
•
Use correct oil
•
Replace filter and clean intake
•
Clean intercooler
6
Belt slipping
•
Working pressure too high
•
Low belt tension
•
Worn belt
•
Incorrect belt
•
Worn or misaligned pulley
•
Lower working pressure
•
Adjust belt tension
•
Replace
•
Install correct belt
•
Replace or align pulley