Troubleshooting Chart - Doosan P425WCU-EX-T2 Operation And Maintenance Manual

Operation & Maintenance Manual

Troubleshooting Chart

Complaint
1. Compressor has
stopped unexpectedly
60
Cause
Out of Fuel.
Compressor Oil Temp. too
high.
Engine Coolant Temp. too
high.
Engine Oil Pressure too low.
Loose or Broken Belts.
Loose wire connections.
Low fuel level fault.
Defective sensor.
Malfunctioning relay.
Blown fuse.
Engine malfunctioning.
Airend malfunctioning.
TROUBLESHOOTING
Correction
Add clean fuel.
See Complaint #6.
Check coolant level. If low,
add coolant. See Complaint
#3.
See Complaint #4.
Tighten or replace belt set.
Check wires at switches
and connectors to find loose
connection. Make repairs.
See Electronic Service
Manual.
If adequate fuel in the
tank, check fuel level
sender device. Replace
if determined faulty. See
Electronic Service Manual.
Identify and check sensor.
Replace if necessary. See
Electronic Service Manual.
Identify and check relay.
Replace if necessary. See
Electronic Service Manual.
Identify and replace fuse.
See Electronic Service
Manual.
See troubleshooting in
Engine manual.
See Complaint #6.