18
VII. TROUBLE SHOOTING
TROUBLE
CAUSE
REMEDY
Motor does not
run
1. Button does not work
2. Wiring connections are not in good
condition
3. Motor burned out
4. Safety Switch is damaged
5. AC contactor burned out
1. Replace button
2. Repair all wiring connections
3. Repair or replace motor
4. Replace the Safety Switch
5. Replace AC Contactor
Motor runs but
the lift is not
raised
1. Motor runs in reverse rotation
2. Gear Pump out of operation
3. Release Valve in damage
4. Relief Valve or Check Valve in damage
5. Low oil level
6. Overload lifting or low pressure
1.Reverse two power wire
2. Repair or replace
3. Repair or replace
4. Repair or replace
5. Fill tank
6.Check load or adjust the
pressure
Lift does not
stay up
1. Release Valve out of work
2. Relief Valve or Check Valve leakage
3. Cylinder or Fittings leaks
Repair or replace
Lift raises slowly
1. Oil line is jammed
2. Motor running on low voltage
3. Oil mixed with air
4. Gear Pump leaks
5. Overload lifting
1. Clean the oil line
2. Check Electrical System
3. Fill tank
4. Repair or replace
5. Check load
Lift cannot lower
1. Safety device are in activated
2. Release Valve in damage
3. Oil system is jammed
1. Release the safeties
2. Repair or replace
3. Clean the oil system
VIII
.
Lift disposal.
When the car lift cannot meet the requirements for normal use and needs to be
disposed, it should follow local laws and regulations.