Engine - Doosan DX700LC Operation And Maintenance Manual

Problem
Working mode selector does
not work.

ENGINE

Problem
Starter does not operate.
Starter engages, engine
does not start.
Engine starts, runs only at
low speed or shuts down.
Troubleshooting
6-2
Cause
Blown fuse.
Working mode selector switch.
Connector failed.
Wiring harness damaged.
e-EPOS controller failed.
Cause
Low battery power.
Poor terminal contact.
Starter switch failed.
Starter relay failed.
Starter controller failed.
Wiring harness faulty.
Battery relay failed.
Blown fuse.
Fuel gelled in cold weather.
Fuel filters plugged.
Water or dirt in fuel system.
Air in fuel system.
Engine stop control failed.
Engine stop relay failed.
Blown fuse.
Engine oil viscosity incorrect.
Clogged or dirty fuel injectors.
Fuel filters plugged.
Remedy
Replace fuse.
Replace switch failed.
Replace connector.
Repair or replace as required.
Repair or replace as required.
Remedy
Charge battery.
Clean and tighten connections.
Replace switch.
Replace relay.
Replace controller.
Replace harness.
Replace relay.
Replace fuse.
Replace fuel.
Replace filters.
Clean system and add new fuel.
Purge air from system.
Contact your DOOSAN dealer.
Replace relay.
Replace fuse.
Change oil.
Clean injectors.
Replace filters.
OP000030