F 9
0708.GB
10 Faul localisation and identification
10.1 Fault localisation
A
If the fault cannot be eliminated, decommission the truck and inform the service de-
partment.
Fault Possible cause Remedial action
Truck does
not move
– Battery is still being
charged
– Key switch in vertical
position
– Battery charge to low
– Fuses defiective
– Disconnect 230 V or 24 V connection
– Push key and turn clockwise to the limit
and then pull out
– Check battery charge and charge batte-
ry, if necessary
– Check fuses F1 and F2
Load cannot
be lifted
– Truck is not operational
– Fuse defective
– Button “Lift load lifting
device” defective
– Perform all remedial actions listed under
“Truck does not move”
– Check fuse F1
– Check the button for correct functioning
according to the operating diagram
Load cannot
be lowered
– Button “Lower load lif-
ting device” defective
– Solenoid valve
defective
– Fuse defective
– Check the button for correct functioning
according to the operating diagram
– Check the solenoid valve for correct
functioning according to the operating
diagram
– Check fuse F1
F 9
0708.GB
10 Faul localisation and identification
10.1 Fault localisation
A
If the fault cannot be eliminated, decommission the truck and inform the service de-
partment.
Fault Possible cause Remedial action
Truck does
not move
– Battery is still being
charged
– Key switch in vertical
position
– Battery charge to low
– Fuses defiective
– Disconnect 230 V or 24 V connection
– Push key and turn clockwise to the limit
and then pull out
– Check battery charge and charge batte-
ry, if necessary
– Check fuses F1 and F2
Load cannot
be lifted
– Truck is not operational
– Fuse defective
– Button “Lift load lifting
device” defective
– Perform all remedial actions listed under
“Truck does not move”
– Check fuse F1
– Check the button for correct functioning
according to the operating diagram
Load cannot
be lowered
– Button “Lower load lif-
ting device” defective
– Solenoid valve
defective
– Fuse defective
– Check the button for correct functioning
according to the operating diagram
– Check the solenoid valve for correct
functioning according to the operating
diagram
– Check fuse F1