Doosan DL220 - Engine; Troubleshooting

OP000040
6-1
Troubleshooting
OP000040
6 Troubleshooting
ENGINE
Problem Possible Cause Remedy
Starter does not operate. Blown fuse. Replace fuse.
Low battery power. Charge battery.
Poor terminal contact. Clean and tighten connections.
Starter switch failed. Replace switch.
Starter relay failed. Replace relay.
Starter control failed. Replace controller.
Wiring harness faulty. Replace harness.
Battery relay failed. Replace relay.
Starter engages, engine does
not start.
Blown fuse. Replace fuse.
Fuel gelled in cold weather. Replace fuel.
Fuel filters plugged. Replace filters.
Water or dirt in fuel system. Clean system and add new
fuel.
Air in fuel system. Purge air from system.
Engine stop control failed. Replace stop control.
Engine stop relay failed. Replace relay.
Engine starts, runs only at low
speed or shuts down.
Engine oil viscosity incorrect. Change oil.
Clogged or dirty fuel injectors. Clean injectors.
Fuel filters plugged. Replace filters.
Engine stop motor cable out
of adjustment.
Readjust.
Engine speed control cable
out of adjustment.
Readjust.
Engine knocks, runs unevenly
or surges.
Low engine oil. Add oil.
Plugged air intake system. Clean system and replace
filter.
Injection pump out of
adjustment.
Contact your DOOSAN dealer.
Plugged fuel filter. Replace fuel filter.
Water or dirt in fuel system. Clean system and add new
fuel.
Clogged or dirty fuel injectors. Clean injectors.