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Possible problems and solutions
Note: Repair work must be performed only by trained service technicians that are qualified for this
work.
No
Problem
.
1
Hydraulic pump does not work
Tabletop no longer lifts up
2
(motor is running)
3
Motor not running
4
Tabletop can not be lowered
5
Oil - leakage
6
Tabletop lowers independently
Hydraulic oil
Standard quality oil should be used between +5 and +40 °C, and special low temperature oil at an ambient
temperature between -35 to +5 °C.
Name
Hydraulic oil
HIW / HTF-02 series
Possible cause
- Defect fuse
- Loose cable connections
- Motor defective
- Switch for lifting is defective
- Power cable is not connected
- Emergency stop button pressed
- Safety edge triggered
- No / too little hydraulic oil in the
equipment
- Dirty oil in the equipment
- Load too heavy
- Lowering valve no longer closes
- Hydraulic pump does not work
- Reversed phase of mains voltage
- Voltage too low
- Loose cable connection
- defective cable / motor / contacts
- Lowering valve set incorrectly
- Seals hardened / perished
- Hydraulic oil level too high
- Oil pollution in the valve
- Seals defective
- Lowering valve defective
- Leak in pressure valve / pump
Table 2 Troubleshooting
Trade name, code
L-HM32
L-HV32
Table 3 Hydraulic oil
any kind of reproduction, even in parts, is not permitted.
- Replace fuses
- Connect cables
- Replace motor
- Replace switch
- Connect power cable
- Release emergency stop
button
- Carry out a short lifting
operation to release security
lock
- Refill oil
- Change oil
- Check weight of the load
- Clean/replace
- Check pump
- Test phase scheme of the
socket
- Recharge equipment
- Tighten cables
- Replace defective parts
- Replace / adjust valve
- Replace seals
- Drain hydraulic oil
- Change oil
- Replace seals
- Replace valve
- Replace parts
Recommendation
HanseLifter
Liftol HYSTAR 32
Liftol HYCOLD 32
in very cold environment
UK
Possible solution
Quantity
Ca4-5ll
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