If any abnormality occurs, carefully read this manual and make the following checks and
actions. If abnormality can not be eliminated, contact your lift supplier for advice.
･ Investigate the cause and push
the reset button
･ Contacting point of Magnet Contactor is burnt ･ Replace magnet contactor
･ Cable connection fault
･ Connect the cable
･ Disconnected cable of motor or burnt motor
･ Replace motor
･ Bad contact of Push-Button Switch
･ Replace Push-Button Switch
･ Motor is running reverse direction
･ Rewire 2 wires out of 3 wires
･ Hydraulic oil is not full
･ Fill the oil
･ Gear Pump does not vacuume oil
･ Replace Gear Pump
･ Roller at bottom of link is stuck with obstacles
･ Coil of Lowering Valve is not working
･ Replace coil
･ Filter inside Lowering Valve is clogged
･ Replace filter or clean up
･ Shoe at bottom of link is stuck with obstacles
･ Adjust the Air Filter Regulator
･ Oil leak from Lowering Valve
･ Replace Lowering Valve
･ Defective seals of cylinder
･ Replace seals
･ Defective Check Valve
･ Oil leak from piping
･ Tightening
･ Loose tightening of manual Lowering Valve
･ Tightening
･ Oil filter is clogged
･ Clean up, or replace oil filter
･ Filter of Valve Manifold is clogged
･ Clean up, or replace filter
･ Air is in the oil
･ Fill the oil, or replace oil
･ Air get in from suction side
･ Tightening the piping
･ Wear of Cylinder seals
･ Replace seals
･ Hyd. Oil get heated (over 45℃)
･ Replace with recommended oil
･ Lack of lubrication at bearing of link
･ Lubricate
･ lack of hyd. Oil
･ Fill the oil
Lift does not rise
･ Fuse is blown
･ Replace fuse
and lower
･ No primary power supplied
･ Turn on primary power
Rising speed is slow
Abnormal Noise
･ Clean up, or replace Check Valve
･ Lowering Stop Hook is engaged with Safety Rack
･ Remove obstacles
or adjust the supplied air pressure
･ Air pressure supplied is below 0.7 MPa
Lift Does Not Lower
Lift goes up but
gradually lowers
･ Raise the lift once and then lower
･ Thermal relay of Magnet Contactor is running
･ Remove obstacles
Lift Does Not Rise
(Motor Not Running)
Lift Does Not Rise
(Motor Is Runnnig)
