RP-Tools RP-4042B2 Installations- Und Wartungshandbuch Seite 90

RP-R-4042B2, 4064B2
CHAPTER 10 – TROUBLESHOOTING
A list of possible troubles and solutions is given below
T :
ROUBLE
The lift does not work
The lift does not raise
The lifting capacity is
not sufficient
The lift does not lower
when the lowering
button is pressed
The lift does not lower
smoothly
REV. 01
RP-TOOLS Werkstatt-Technik
P C :
OSSIBLE AUSE
The main switch is not turned on
There is no power
The electrical wires are
disconnected
Fuses are blown
The lift is overloaded
The motor direction of rotation is
not correct.
The oil in the power unit is not
sufficient.
The UP button is faulty.
The pressure overload valve
clogged or leaks
The lowering valve does not close.
The suction tube or pump filter is
dirty.
The pump is faulty
Oil leakages in hydraulic circuit
The DOWN button is faulty.
The lowering valve does not work
properly
The safety lock is not released
The air power is not sufficient
The steel cables are not in the
same tension.
Presence of air in the hydraulic
system
Lubrication of sliders is not
enough.
Sliders are damaged
89 / 94
S :
OLUTION
Turn the switch on
Check Power on to restore if
necessary
Reconnect
Check for correct voltage
Replace
Check the vehicle weight
Interchange the two phases on
the main switch
Add some hydraulic oil
Check UP button and
connection for proper operation.
Replace if needed
Check and clean if dirty, or
replace if faulty
Check and clean if dirty or
replace if faulty
Check and clean if needed.
Check the pump and replace if
needed.
Check the circuit for any
leakage
Check UP button and
connection for proper operation.
Replace if needed
Check the valve and replace if
needed
Release the safety lock
Check the air circuit or the air
supply
Readjust the steel cables.
Bleed the hydraulic system
Grease
Replace