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9
9
TROUBLE SHOOTING
No.
Fault
Cause
Countermeasures
1
The forks cannot
reach the max. height
•
Low hydraulic oil level
•
Inject hydraulic oil
2
The forks cannot be
raised
•
No hydraulic oil
•
Hydraulic oil is impure
•
Check hydraulic oil
•
Replace the hydraulic oil
3
Pump station motor
cannot run
•
Emergency button is not
switched on
•
Low voltage of the storage
battery
•
Wiring terminal of the power
line is loose
•
Motor contactor is damaged
•
Turn the emergency button
clockwise
•
Charge the battery
•
Fasten the wiring terminal
•
Replace the parts
•
Contact you distributor
4
The forks will not
lower
•
Uneven centre of gravity
of goods or overloading
causes deformation of the
large piston rod or the oil
tank body
•
The forks are rusted
and hard to move due to
long-term exposure to air
when the platform stays in
the higher position for an
extended period of time
•
The release valve of the
hydraulic pump station is
worn or damaged and thus
cannot be opened
•
Replace the large piston
rod or the oil tank body
•
Lower the forks to the
lowest position when not
using the crane and make
sure to lubricate the piston
rods
•
Replace the release valve
of the pump station
•
Contact you distributor
5
Oil leakage
•
Sealing parts are aged or
damaged
•
Some parts are broken
•
Replace the parts
•
Replace the parts
•
Contact you distributor
6
Forks lower itself
•
The relief valve is unable to
be shut tightly due to impure
hydraulic oil
•
Sealing parts are aged or
damaged
•
Release valve is damaged
•
Replace the hydraulic oil
•
Replace the parts
•
Replace the parts
•
Contact you distributor
7
Storage battery
cannot be charged
•
Storage battery is damaged
•
Charging plug is loose
•
Replace the parts
•
Check connections
Summary of Contents for EPS0412
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