Haulotte H12 SD, Инструкция по эксплуатации и техническому обслуживанию

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6. TROUBLESHOOTING.
The following pages should help you rectify any operating problems you may experience with your scissor-lift
platform. If a problem arises that is not addressed in this chapter or is not rectified by the solutions described
below, qualified technical personnel must be consulted before any maintenance is performed. Note also that
most of the problems encountered with this machine are due to the hydraulic and electrical systems.
First of all, check that:
•
the batteries are charged: the green LED on the right-hand side of the charge tester must be lit.
•
the two emergency stop buttons, on the ground and platform control panels, are unlocked.
•
the relays in the electrics box are pushed in.
•
the battery cut-out is open.
FAULT CHECK PROBABLE CAUSE SOLUTION
Platform lift system
•
Control switch not working.
•
Replace switch
(After-Sales Dpt)
•
Handle not working.
•
Replace handle
(After-Sales Dpt)
•
No movement
when lift switch on
control panel is
operated and
handle is engaged.
•
Check if
movements are
performed when
lift switch on
ground control
panel is
actuated.
•
Lack of oil in hydraulic circuit.
•
Top up oil level as
required.
•
Platform overloaded
(occupants or equipment)
•
Reduce load.
•
Lack of oil in hydraulic circuit.
•
Top up oil level as
required.
•
Platform does not
lift.
•
Batteries discharged by over 80%,
tester disables lift function.
•
Recharge batteries or
change to diesel fuel
mode.
•
Platform does not
lower.
•
Platform overloaded (occupants or
equipment).
•
Reduce load.
•
Platform lifts and
lowers with jerky
movements.
•
Lack of oil in hydraulic circuit.
•
Top up oil level as
required.
Travel system
•
Handle not working.
•
Repair or replace handle
(After-Sales Dpt).
•
No movement
when handle on
platform control
panel is actuated,
and switch is set to
travel position.
•
Lack of oil in hydraulic circuit.
•
Top up oil level as
required.
•
Machine runs away
when driving
downhill.
•
Counterbalance valve misadjusted
or not working.
•
Reset or replace
counterbalance valve
(After-Sales Dpt).