
Trouble Shooting
41
PV-15PX
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. Height limit switch is damaged
5. AC contactor burned out
1. Replace button
2. Repair all wiring
connections
3. Repair or replace motor
4. Replace the limit 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 is damaged
4. Relief valve or check valve is
damaged
5. Low oil level
1. Reverse the two power
wire
2. Repair or replace
3. Repair or replace
4. Repair or replace
5. Fill tank
Lift does not
stay up
1. Release valve is stuck open
2. Relief valve or check valve leakage
3. Cylinder or fi ttings leak
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. Replace pump
5. Check load
Lift can not
lower
1. Safety locks may be engaged
2. Release valve damaged
3. Safety cable broken
4. Oil system is jammed
1. Release the safeties
2. Repair or replace
3. Replace
4. Clean the oil system
Summary of Contents for PV-15PX
Page 32: ...PV 15PX Exploded View 33 PV 15PX PV 15PX Exploded View Fig 40 ...
Page 33: ...PV 15PX Exploded View 34 PV 15PX Cylinders Fig 41 ...
Page 34: ...PV 15PX Exploded View 35 PV 15PX ATLAS Manual power unit Fig 42 220V 60HZ Single Phase Fig 42 ...
Page 35: ...PV 15PX Exploded View 36 PV 15PX Illustration Of Hydraulic Valve Fig 43 ...