OP000440
6-1
Troubleshooting
OP000440
6
Troubleshooting
In all cases if a system malfunction is discovered, measures
must be taken to correct the problem and the cause. Check for
the cause of the problem and take preventive measures in
advance through proper maintenance and repair. Since the
cause of a problem at times may be due to multiple malfunctions
a systematic approach must be taken to correct the problem. If a
problem occurs, use the following troubleshooting table to
isolate the cause and take necessary measure(s) for adjustment
and repair. If the cause of the problem cannot be isolated,
consult with your nearest
DOOSAN
service center for
assistance. Never attempt to perform an adjustment,
disassembly or repair on hydraulic, electric and electronic
systems without first contacting your service center.
ENGINE
Problem
Cause
Remedy
Starter does not operate
Low battery power.
Charge battery.
Poor terminal contact.
Clean and tighten connections.
Starter switch failure.
Replace switch.
Starter relay failure.
Replace relay.
Starter control failure.
Replace controller.
Wiring harness faulty.
Replace harness.
Battery relay failure.
Replace relay.
Blown fuse.
Replace fuse.
Starter engages, engine does not
start
Fuel gelled due to cold weather.
Replace fuel.
Fuel filters clogged.
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 failure.
Contact your
DOOSAN
dealer.
Engine stop relay failure.
Replace relay.
Blown fuse.
Replace fuse.
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