9
If you are having a problem with your compressor, use this table to help determine the cause(s):
Problem Possible Cause
Corrective Action
Low
Low
Unit Will
Motor
Loud
Flow Pressure Not Start Overheats Unit
x
High voltage at
Reduce voltage
compressor
x
x
x
x
Low voltage at
Increase voltage
compressor
x
x
x
Damaged valves
Replace flapper valves
x
x
x
Debris in valves
Remove debris and check
for valve damage
x
x
x
Damaged gaskets
Replace gaskets
x
x
x
Worn Cup
Replace connecting rod
assembly or cup
x
x
x
Loose head screws
Tighten head screws
x
Broken fan
Replace fan
x
x
x
Bent motor shaft
Replace entire unit
x
x
Damaged capacitor
Replace capacitor
x
Loose fittings
Tighten fittings
x
x
Insufficient
Increase air
ventilation
circulation
in enclosure
to enclosure
x
x
Worn bearings
Replace Conn Rod
Eccentric and
Bearing assembly
1
1
Thermal protector in motor will interrupt current when motor overheats.
Troubleshooting Guide