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VIII.TROUBLE SHOOTING
TROUBLE
CAUSE
REMEDY
Motor does not run
1.Start Button does not work
2.Wiring connections are not in good
condition
3. AC contactor burned out
4. Motor burned out
1. Replace button
2. Repair all wiring connection
3. Replace AC contactor
4. Repair or replace motor
Motor runs but the
lift is not raised
1. Motor runs in reverse rotation
2. Low oil level
3. The Gear Pump out of operation
4. Relief valve or check valve in
damage
5. Hydraulic Solenoid valve out of
operation
1. Reverse two power wire
2. Fill tank
3. Repair or replace
4. Repair or replace
5. Repair or Replace
Lift does not stay
up
1. Hydraulic Solenoid valve out of
operation
2. Relief valve or check valve leakage
3. Cylinder or fittings leaks
Repair or replace
Lift raised slowly
1. Oil line is jammed
2. Gear Pump leaks
3. Overload lifting
4. Power Voltage low
5. Oil mixed with air
1. Clean the oil line
2. Repair or Replace
3. Check load
4. Check electrical system
5. Fill tank and bleeding air
Lift cannot lower
1. Hydraulic Solenoid valve out of
operation
2. Air Solenoid Valve out of
operation
3. Air cylinder in damage
4.Low Air pressure
1. Repair or replace the Valve
2. Repair or replace the Valve
3. Repair or replace
4. Check the air line
IX. LIFT DISPOSAL:
When the car lift cannot meet the requirements for normal use and needs to be disposed,