Troubleshooting - Eaton PRS0100001 User Manual

Eaton Compressor Rotary Screw Compressor
Problem
Compressor will not start
(Electric failure light is on)
Compressor shuts down under
compression mode/while
loading
Troubleshooting Chart
Possible Causes
1. Power supply problem
2. Blown circuit fuse and/or internal
fuse
4. Fault is present
5. Poor contact on START
pushbutton
6. Failed electric motor
7. Failed compressor pump
1. Fault is present
1. Check complete circuit for proper
voltage, ensure all electrical connections
are secure; once power is restored,
press Enter button on controls.
2. Replace fuse(s) as needed
3. Check for correct voltage and make sure
all fuses are functioning
4. Check fault history on PLC: Arrow down
to 9)ALARMS, then press Enter button.
Arrow down to see all faults, up to 20.
Refer to page 18 of PLC manual for
fault listing and causes
5. Have electrician or Eaton Compressor
dealer inspect and replace pushbutton
6. Have electrician or Eaton Compressor
dealer inspect and replace motor
7. Attempt to move by hand to check for
free movement of pump. If not possible,
contact Eaton Compressor service.
WARNING
1. Check fault history on PLC:
Arrow down to 9)ALARMS, then
press Enter button. Arrow down to
see all faults, up to 20. Refer to
page 18 of PLC manual for fault
listing and causes
34
Resolutions
Enter button
TURN OFF POWER before
attempting to move pump.
Watch for moving parts. Do
not pinch fingers in pulley.
Enter button