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LAUNCH
Electronic
Two-post User’s Manual
14
5
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Solutions to FAQ
Symptom
Reason
Solution
Motor not operation
Check the circuit breaker or fuse
Check the voltage to the motor
Limit switch is failed
♦
Motor wire is burnt
Replace the burnt fuse or reset the
circuit breaker
Supply correct voltage for motor
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(no more than 5mm), If exceeding
5mm, 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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