AussieCarHoists YL5000, User Manual

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Chapter 10 Troubleshooting
A list of possible troubles and solutions is given below
T
ROUBLE
: P
OSSIBLE
C
AUSE
: S
OLUTION
:
The lift does not work
The main switch is not turned on Turn the switch on
There is no power
Check Power on to restore if
necessary
The electrical wires are
disconnected
Reconnect
Fuses 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
sufficient.
Add some hydraulic oil
The UP button is faulty.
Check UP button and
connection for proper operation.
Replace if needed
The maximum pressure valve
clogged or leaks Check and clean if dirty, or
replace if faulty
The lowering valve does not close.
Check and clean if dirty or
replace if faulty
The suction tube or pump filter is
dirty.
Check and clean if needed.
Presence of air in the hydraulic
system
Bleed the hydraulic system
The lifting capacity is
not sufficient
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
handle is pressed
The lowering valve does not work
properly Check the valve and replace if
needed.
The safety lock is not released
Release the safety lock.
The steel cables are not in the
same tension.
Readjust the steel 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
The motor does not stop
when the lift reaches it
maximum height
The maximum height limit switch
does not work Check the limit switch and
replace if needed