Serie 100 - H
100/6m
137
SECTION 9
TROUBLESHOOTING
9. FAULTS, CAUSES AND SOLUTIONS
FAULT
POSSIBLE CAUSE
PROBABLE SOLUTION
The lift does not work: no reaction
.
•
No power.
•
Electric motor burnt out.
•
Pump out of order.
•
Check the distribution panel and if necessary set
the master switch to the correct position.
•
Check the position of the mushroom-headed
button on the control console; if necessary
release it and then press the reset button.
•
Turn off the master switch on the power supply
panel, open the box on the control unit and
check the condition of the fuses. Replace the
fuses if necessary.
• Replace the electric motor.
• Replace the pump.
When the <ascent> command is given, the
lift does not move up or has difficulty in
moving up.
•
Not enough oil in control unit tank.
•
Pump badly worn.
•
Ascent solenoid valve jammed or out of order.
•
Check the tank level and top up if necessary.
•
Replace the pump.
•
Check the solenoid valve and replace if
necessary.
Insufficient lift capacity.
•
Hydraulic circuit operating pressure insufficient.
•
Check the pump operating pressure on the
pressure gauge.
Replace the pump if necessary.
The lift moves down of its own accord
until the safety hook engages in a stop.
•
Faulty jack: gasket seal defect.
•
Lock valve worn.
•
Replace the jack
•
Replace the valve.
Sliding of the pull arm is obstructed.
•
Dirt present.
•
Remove any dirt or remains of machining and
lubricate.
The pull bar vertical column does not
rotate easily or does not rotate at all.
•
Lack of lubrication.
•
Grease the base of the column again; if this is
not sufficient, adjust the fixing flange.
The pull arm hydraulic-pneumatic pump
leaks oil.
•
See specific instruction manual.
•
See specific instruction manual.
GB
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