Product Manual

CA / CT SERIES CAP600
Page 26 of 30 REV B June 2012
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
V
ibrations
• 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