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6. Troubleshooting Guide
A.
Problem
Motor does not run.
Possible
cause:
Solution:
1. Blown fuse or circuit breaker
2. Incorrect voltage to motor
3. Bad
wiring
connections.
4. Motor START switch burned out.
5. Overhead LIMIT switch burned out.
6. Motor windings burned out.
1.
Replace fuse or reset circuit breaker.
2.
Supply correct voltage to motor.
3.
Repair and insulate all connections.
4. Replace
START
switch.
5.
Replace LIMIT switch.
6. Replace
motor.
B.
Problem
Motor runs but lift will not raise.
Possible cause:
Solution:
1. Lowering valve not closed.
2. Pump
sucking
air
3. Suction
stub
off
pump.
4. Low oil level
1. Repair or replace lowering valve.
2. Tighten all suction line fittings.
3. Replace suction stub.
4. Fill tank with Dexron III ATF
C
Problem
Lift will raise up only without load.
Possible cause:
Solution:
1. Motor running on low voltage
2. Debris in lowering valve.
3. Improper
relief
valve
adjustment.
4. Overloading
1. Supply correct voltage to motor.
2. Clean lowering valve.
3. Replace relief valve cartridge.
4. Check or balance the vehicle weight on lift.
D
Problem
Lift
slowly settles down.
Possible cause:
Solution:
1. Debris in check valve seat.
2. Debris in lowering valve seat.
3. External
oil
leaks
1. Clean check valve.
2. Clean lowering valve.
3. Repair eternal leaks.
E
Problem
Slow lifting speed or oil blowing out breather cap
Possible cause:
Solution:
1. Air mixed with oil.
2. Air mixed with oil suction.
3. Oil return tube loose
1. Change oil to Dexron III ATF
2. Tighten all suction line fittings.
3. Reinstall oil return tube.
F
Problem
Lift going up unleveled.
Possible cause:
Solution:
1. Equalizer cables out of adjustment.
2. Lift installed on unleveled floor.
1. Adjust the cable for better balancing.
2. Level the columns by shims in anchoring.
G
Problem
Anchors will not stay tight.
Possible cause:
Solution:
1.
Holes
drilled
oversize.
2. Concrete floor thickness or holding
strength not sufficient
1. Relocate lift using a new bit to drill holes.
2. Break out old concrete and pour new pads for lift per lift
column
H
Problem
Locking latches do not engage.
Possible cause:
Solution:
1. Latch shafts rusted.
2. Latch spring broken.
3. Latch cable needs adjustment.
1. Oil latch mechanism. Grease the shaft.
2. Replace broken spring.
3. Adjust clamps at cable end
Summary of Contents for 165948BLK
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