Operation and Maintenance
53
While running
an arm com-
mand, the en-
gine stops and
will not restart.
Ditto + reach limit indicator
lit
• Ditto, but more serious
• Evacuate the user from the
machine and call in After
Sales Service
Without ma-
king any re-
quest to the
arm, or upon
starting up the
machine
Discontinuous alarm, the
reach limit indicator flashes,
the error indicator flashes in
8 or 10 flash sequences.
• Arm maintenance error
(problem with purging or
watertightness)
• Fold the machine immedia-
tely and call in After Sales
Service
La turret will
not turn
• The blocking tool is still in-
serted into the chassis
• Remove the tool
The hydraulic
pump is ma-
king noise
• Lack of oil in the reservoir
• Aspiration pump vanes are
closed or not completely
open
• Oil too viscous
• Return to level position
• Open completely the aspi-
ration vanes
• Drain the circuit and replace
with recommended oil
No lateral mo-
vement
Reach limit indicator is lit
• The platform is at its reach
limit
• Gently retract the fly jib te-
lescopic arm
No lateral mo-
vement
Error indicator flashes in 3
flash sequences
• Error in the lateral move-
ment control circuit (YV30a,
YV30b, YV10)
• Check the components of
the lateral movement con-
trol circuit (see After Sales
Service)
Lateral move-
ment disabled
while at micro-
speed
• The platform is deployed
• Retrieve the telescopic
arms, lower the fly jib and
arm, lower the suspension
platform
While making
a lateral mo-
vement, the
machine stops
• Insufficient load on one
wheel
•
• No grip on a driving wheel
• Press the differential jac-
king button
No axle retrac-
tion/extension
• Wrong control position se-
lected
• Emergency stop engaged
• Switch the selector key to
the "axle" position
• Check the three emergency
stop buttons
INCIDENTS
PROBABLE CAUSE
SOLUTIONS
Error indicator
Reach limit
indicator
8 X
Error indicator
Reach limit
indicator
8 X
OR
10 X
Reach limit indicator
Error indicator
3 X
Содержание HA 41 PX
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