Haulotte HA 41 PX, Operating And Maintenance Instructions Manual

Page: 62 / 82

Operation and Maintenance
50
The engine
stops Error indicator flashes in 4
flash sequences • Break in one of the fly jib te-
lescopic arm chains
• Evacuate the user from the
machine and call in After
Sales Service
The engine
stops, no mo-
vement is pos-
sible, even
using the
emergency
set Error indicator flashes in 5
flash sequences • Emergency stop line fault • Evacuate the user from the
machine and call in After
Sales Service
The engine
stops during
movement of
the fly jib, and
does not res-
tart Continuous alarm, error in-
dicator flashes in 8 flash se-
quences and reach limit
indicator lit • Extension 100 cm beyond
the normal reach limit of the
fly jib: serious failure in the
jib fly raising or telescopic
hydraulic controls
• Evacuate the user from the
machine and call in After
Sales Service
The engine
stops while
moving the
arm, and does
not restart. Continuous alarm, error in-
dicator flashes in 8 flash se-
quences and reach limit
indicator lit • Serious failure in the arm
raising or telescopic hy-
draulic controls
• Evacuate the user from the
machine and call in After
Sales Service
Low pressure
or pump
power • Weak engine power
• Leak or air bubble in the fuel
circuit
• Blocked fuel filter
• Hydraulic oil leak on a con-
nector, flexible or other
component
• Faulty accelerator bobine
• Faulty accelerator relays
and/or fuse
• Adjust engine speed (see
After Sales Service)
• Call in After Sales Service
• Change the fuel filter
• Repair or replace (see After
Sales Service)
• Change the bobine (YA2)
• Replace the accelerator re-
lays and/or fuse (KM6,
FU14)
No platform
movement • Turret selector key in the
wrong position
• "Dead man" safety switch
not activated
• Control function error
• Error in the electro-valve of
the requested movement
• Low hydraulic oil
• Switch to "platform" position
• Press the "dead man" pedal
and hold this down during
the entire movement
• Replace the control (see Af-
ter Sales Service)
• Replace the electro-valve or
its bobine (see After Sales
Service)
• Refuel
INCIDENTS PROBABLE CAUSE SOLUTIONS
Error indicator
4 X
5 X
Error indicator
Reach limit
8 X
Error indicator
indicator
8 X
Error indicator
indicator
Reach limit