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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
The car suddenly
started
Controller is damaged.
Change the controller
The handle which control the
forward or back is no reset.
Repair or change
