KAMAZ 5490, Operation Manual

Page: 142 / 327

7-11
Fault indication Cause of trouble Suggestion on correction
on the display
The pressure in the
4-th circuit
of air system is insufficient.
Gear shifting is not possible.
Check the 4-th circuit of the air system for leaks,
check the function of 4-circuit safety valve, adsorption
dehumidifier, compressor. In all circuits, the pressure
must be at least 10 kgf/cm
2
.
If the fault persists, contact the service center.
on the display
Clutch position
can not be determined.
Vehicle driving is prohibited till fault correction .
Address the service center.
on the display
Clutch is overloaded.
Select the lowest gear or stop the vehicle.
on the display
limit clutch wear.
The estimated clutch wear limit is reached.
Contact the service center for clutch replacement.
on the display
Faulty communication be-
tween display and gearbox
electronics.
Vehicle driving is prohibited till fault correction .
Address the service center.
on the display
Malfunction, system error.
Take your foot off the gas pedal. If the error does not
go off, then a system error occurred. Further movement is
impossible. Address the service center.