31
7 – TROUBLESHOOTING
Problem Cause Solution
The Lift is connected to the
mains, but does not work and
the power indicator [10] is off.
The transformer primary mains switch is
in the OFF position.
Take it to the on position.
The emergency switch QM located on the
switchboard crankcase is in the OFF
Take it to the on position.
The switch (QM) inside the electrical
panel is in the OFF position
Rearming the Switch
Power indicating lamp is off, can not do
any control; three phase equipment's
motor has abnormal noise but can not
work properly ( lack of phase power).
Check the voltage under the
fuse base if it is normal? If it is
abnormal, please replace the
No operation
Electrical system failure Contact Service
The lift does not complete the
lifting stroke
Load exceeding the maximum flow rate
Check the maximum capacity
of the lift
Supply voltage too low Check the supply voltage
Low oil level Fill the oil level
Noise during the ascent or
descent movement
Mechanical parts (chain, pulleys, sliding
pad) without lubrication
Provide for lubrication
Liftcan not completely lower
down.
Electromagnetic did not open completely
Adjust the installation position
of electromagnetic valve.
The stroke switch at the end of chain
protection device did not work.
check the wiring of the stroke
switch and wiring terminal if
Poor synchronisation of the
carriage
The levelling cables have a different
adjustment
Adjust the nut on the ropes
The lifter struggles to up and to
down
The down (YV1) valve is open or
damaged
Disconnect the down valve and
clean it. If it is damaged
proceed with the replacement
Oil leakage from connections
Loose fittings.
Tighten fittings, replace if
necessary
When the lift button is
released,the lift will
automatically descend
Explosion-proof valve clearance is too
small or closed
Remove the explosion-proof
valve and adjust the clearance
to about 1mm
Other
If you cannot resolve the
problem contact our service.
To Next Page
Loading...