25
11.Service Manual
11.1 Troubleshooting
Fault
Cause
Treatment
The truck can't
move
The battery connector is not
connected
Check the battery connector
,
connected if necessary
Electric lock switch on “OFF”
position
Electric lock switch turn to “0”position
Emergency Stop Switch not
open
Open the Emergency stop switch
Battery power runs out
Check the battery charge
,
If it is
necessary to recharge
The vehicle being charge
Interrupt charging process
The fuse is damaged
Check the fuse
Goods can’t be
lifted up
The vehicle is not operating
Handle according to the treatment
method listed in Vehicles cannot
move”
Low hydraulic oil level
Check hydraulic oil
The fuse is damaged
Check the fuse
Overloading
Pay attention to the rated capacity
The Up switch is in bad contact
or damaged
Check up switch and replace if
necessary
Goods can’t be
lowered down
Dirty oil blocks control valve
Check hydraulic oil and clean control
valve, replace the oil if necessary
The solenoid valve for
lowering is not opened or is
damaged
Check or replace the valve for
lowering
Can’t stop when
lifting
Lifting micro switch is
damaged
Cu off the power and replace lifting
micro switch
Moving in one
direction
The sensitive switch and the
connecting cable are not
well-contacted.
Check the sensitive switch in control
lever and the connecting cable.
The vehicle
travels very
slow
The related cable are not
well-connected
Check the battery indicator light and
related cable