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PROBLEM
NO SELECTION OF THE STEERING
MODE
NO
BOOM
LOWERING
EXTENSION, NO HOLDING FRAME
PITCHING
ALARM OF THE OVERLOAD
WARNING SYSTEM
(red LED ON)
THE
OVERLOAD
SYSTEM DOES NOT WORK
BOOM DOES NOT MOVE
NO CHANGE BETWEEN 1st AND 2nd
MECHANICAL GEAR AND VICE
VERSA
THE LOAD LIMITING SYSTEM DOES
NOT CHANGE WORK SCALE
THE LOAD LIMITING SYSTEM IS
BLOCKED
(red LED's lit)
Handler with telescopic boom GTH-4013
FAULTS AND TROUBLESHOOTING
• "CAB/ROAD/PLATFORM" switch
set to "ROAD"
• "CAB/ROAD/PLATFORM" selector
damaged
• Fuse F13 blown
AND
• Alarm of the overload warning system
WARNING
• Fuse F25 blown
• Fuse F24 blown
• "CAB/ROAD/PLATFORM" switch
set to "ROAD"
• Fuse F14 blown
• Relay K5
• Mechanical gearbox control unit
K24
• Pushbutton
• Coil Y8 - Y9
• Outriggers limit switches inefficient
• Low stability
Document 57.0007.0200 - 01/2006
CAUSES
(ref. 13 . C-12)
E-3
Page
SOLUTIONS
• Select "CAB"
• Check the selactor - reconnect or
replace
• Check the 10A fuse F13 and replace
if necessary.
• Retract or raise the boom within safe
limits
If the alarm condition persists,
retract the boom operating the
cutout key of the overload warning
system and address to the nearest
authorised workshop
• Check the 10A fuse F25 and replace
if necessary
• Check the 10A fuse F24 and replace
if necessary
• Select "CAB"
• If theproblem persists, turn the
"CAB/ROAD/PLATFORM" selector
to "ROAD" and then again to "CAB"
without shutting down the engine.
This will reset the electronic control
unit.
• Check fuse F14 and replace if
necessary
• Check the relay
• Check the control unit
• Check the pushbutton
• Check the coil
• Check the efficiency of the outrigger
limit switches or replace if
necessary.
• Retract the load within safety limits.
If the error message is still shown,
move the boom to rest condition
operating the overload warning
system cutout key and contact your
nearest authorised service centre.
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