Use and Care Manual

CA / CT SERIES CAP600
Page 27 of 30 REV E JULY 2014
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