Troubleshooting
36
PV-15P
Troubleshooting
A list of possible troubles and solutions is given below:
Trouble:
Possible Cause:
Solution:
The lift does not work
There is no power
Check Power on to restore if
necessary
The electrical wires are
disconnected
Reconnect
The circuit breaker are
blown
Check for correct voltage
Replace
The lift does not raise
The lift is overloaded
Check the vehicle weight
The motor direction of
rotation is not correct.
Interchange the two phases
on the main switch
The oil in the power unit is
not suffi cient.
Add some hydraulic oil
The UP button is faulty.
Check UP button and
connection for proper
operation. Replace if needed
The lowering valve does
not close.
Check and clean, if dirty or
replace if faulty
The suction tube or pump
fi lter is dirty.
Check and clean if needed.
Presence of air in the
hydraulic system
Bleed the hydraulic system
The lifting capacity is
not suffi cient
The pump is faulty
Check the pump and replace
if needed.
Oil leakages in hydraulic
circuit
Check the circuit for any
leakage
The lift does not lower
when the lowering
lever and the safety
release lever are
pressed
The lowering valve does
not work properly
Check the valve and replace if
needed.
The equalizer cables are
not in the same tension.
Readjust the equalizer cables.
The lift does not lower
smoothly
Presence of air in the
hydraulic system
Bleed the hydraulic system
Lubrication of sliders is
not enough.
Grease
Sliders are damaged
Replace
* If the problems remain unsolved, call for technical support.