Maintenance 5
Self-help
Particle filter system warning lamp flashes and buzzer sounds when ignition is switched on.
Possible cause
Remedy
Switch illumination in the start switch and
emergency stop switch for the particle filter
system is defective.
Check the lamp: switch on the glow plug
starting switch using the switch key. Both
switch illuminations briefly light up once, if
not, change the indicator light. (Regeneration
can still be performed even though the lamp is
defective; acknowledge by pressing the start
switch).
Malfunction in particle fi
lter system. Please contact your authorised dealer.
"Particle filter alarm" indicator light illuminates and the truck only moves at creep speed.
Possible cause
Remedy
Load period of the particle filter exceeds 8.5 h.
Regenerate the particle filter immediately.
Engine does not run smoothly and loses power.
Possible cause
Remedy
Fuel supply insufficient. Blockages or air locks
in the fuel system, caused in winter by paraffin
segregation.
Change fuel filter, check fuel line connectors for
leaks and tighten screw joints. In cold climates,
use winter fuel.
Pump/nozzle unit is
not operating correctly.
Contact your authorised dealer.
Engine oil level to
o high.
Drain oil until oil level is at upper dipstick mark.
Very smoky exhaust.
Possible cause
Remedy
Bad sealing by coked or broken piston rings.
Contact your authorised dealer.
Irregular idling.
Possible cause
Remedy
Fuel supply problems.
Drain water from or change fuel filter. Check
fuel lines or fuel injection lines for leaks.
Engine speed incorrectly set.
This setting should only be made by a trained
technician. Contact your authorised dealer.
Engine overhea
ting, red indicator light in the display unit lights up. Switch off engine immediately.
Possible caus
e
Remedy
Insufficient coolant in cooling system.
Check the cooling system for leakages, seal
them as required. Top up the coolant.
Coolant pump defective. Contact you
r authorised dealer.
Water cooler radiator fins partially clogged by
dirt or foreign bodies.
Clean the water cooler and the hydraulic oil
cooler.
Operating Instructions – 394 807 10 01 EN – 07/2011 197
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