Maintenance 5
Troubleshooting
Engine overheating, red indicator light in the indicator unit illuminates. Switch off engine imme-
diately.
Possible cause
Remedy
Insufficient coolant in cooling system.
Check the cooling system for leaks, seal them
as required. Top up the coolant fluid.
Coolant pump defective.
Contact your authorised dealer.
Water cooler radiator fins partially clogged by
dirt or foreign bodies.
Clean water and hydraulic oil coolers.
Engine oil pressure too low. Switch off engine immediately.
Possible cause
Remedy
Leaks in the lubricating system. Contact your authorised dealer.
Oil level too low
Top up with engine oil
Charging lamp comes on when truck is in operation.
Possible cause
Remedy
Three-phase alternator speed too low.
Check V-ribbed belt tension.
Alternator fails to charge the battery, alternator
or control switch defective.
Contact your authorised dealer
Truck only moves at crawling speed, the buzzer sounds and error code X201 is displayed in the
text field of the indicator unit.
Possible cause
Remedy
Engine oil level too low. Topupengineoil.
Truck only moves at crawling speed, the buzzer sounds and error code X202 is displayed in the
text field of the indicator unit.
Possible cause
Remedy
Engine oil pressure too low.
Top up engine oil; if the error persists, contact
your authorised dealer.
Truck only moves at crawling speed, the buzzer sounds and error code X203 is displayed in the
text field of the indicator unit.
Possible cause
Remedy
Radiator water level too low.
Top up radiator water.
Operating Instructions – 393 807 1001 EN – 08/2008 199
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