12
PROBLEMS DIAGNOSTICS
126 AXH1157-UK (ENG) L3500 L4700 F7000 [FPT S3A]
WARNING
The interventions for the elimination of faults can only be carried out by trained personnel.
Do not work on failures if the "Safety regulations", "Safe Working Procedures" and "MAINTENANCE" have not been
read and understood before.
This symbol indicates that the trouble experienced may NOT be resolved without the
intervention of a
DIECI
Service authorized workshop
12.1 - Engine
PROBLEM CAUSE SOLUTION
It does not set in motion Direction of travel lever engaged Place the lever in neutral
Parking brake deactivated Activate it
No fuel Fill the tank
Battery isolation switch disconnected Connect the battery isolation switch
Low Battery Recharge the battery or replace it
Fuse failure Replace the fuse
Other Consult the Use and Maintenance
manual of the engine
12.2 - Hydraulic transmission system
PROBLEM CAUSE SOLUTION
The vehicle does not go in
any direction
Insufficient hydraulic oil level Check the hydraulic oil level
Hand throttle engaged Disengage the hand throttle
The sensor built-in the seat does not
report the presence of the operator
Sit properly at the driver's seat
The movement selection lever is not
engaged
Engage the lever to the desired
position
The outriggers are lowered (if
installed)
Raise all outriggers fully up
Parking brake in operation Disengage the brake
Electrical circuit failure Repair the circuit
Hydrostatic transmission failure Repair or replace the transmission
The transmission ByPass tap has been
opened (if installed)
Close the ByPass tap
The vehicle loses speed Hydraulic oil intake filter clogged Remove the oil filter and replace it
Inching pedal failure Check the correct operation of the
pedal and of the valve
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