5 Solutions to FAQ
Symptom Reason Solution
Motor not operation
Check the circuit breaker or fuse
Check the voltage to the motor
Check all the wire connection
Limit switch is failed
Motor wire is burnt
Replace the burnt fuse or reset the
circuit breaker
Supply correct voltage for motor
Repair all the wires
Replace the limit switch
Replace the motor
Motor is running, but the
lift can’t be raised.
Motor rotation reversed
Solenoid valve body open.
Hydraulic pump sucks the air
Suction tube is separate from the hydraulic
pump
Low oil level
Change the motor rotating direction by
changing wire connection.
Repair or replace the solenoid valve
body
Fasten all the suction pipe fittings
Replace the suction tube
Add the oil into the oil tank
Motor is running, the lift
can be raised without load,
but the vehicle can’t be
raised
Motor is running under low voltage
Impurities inside the solenoid valve body
Regulation pressure of safety valve is
incorrect
Lift is overloaded
Supply correct voltage to the motor
Remove impurities from the solenoid
valve body.
Adjust the safety valve
Check the weight of the vehicle
The lift is lowering slowly
without pressing the down
button
Impurities on the solenoid valve body.
External oil leakage
Clean the solenoid valve body
Repair the external leakage
The lifting speed is slow or
oil flows out of the oil fill
cap
Air and oil are mixed
Air and oil suction are mixed
Oil return pipe is loosened
Replace the hydraulic oil
Fasten all the suction pipe fittings
Re-install the oil return pipe
The lift can’t rise
horizontally
Balance cable is not adjusted properly
The lift is installed on the slop floor
Adjust the balance cable to the proper
tension
Shimming the columns to level the lift,
If exceeding 12mm, pour new concrete
floor and make it leveled. Refer to
installation description.
Anchor bolt is not fastened
Hole is drilled too big
Concrete floor thickness or fastening force
is insufficient
Pour the fast curing concrete into the
big hole and reinstall the anchor bolt,
or use new drill to drill the hole for re-
positioning the lift
Cut open the old concrete and make
new concrete slab for the lift. Refer to
installation description.
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