SECTION 5 – GENERAL SPECIFICATIONS AND MAINTENANCE
– JLG Lift –
5-53
2374
MAST SWITCH FAULTY
The Mast Lift Up and Down Switches are active
simultaneously.
• Check if one of the concerned switches is damaged, obstructed
or jammed.
Refer problem to a qualified JLG mechanic.
2375
JIB SWITCH FAULTY
The Jib Lift Up and Down Switches are active
simultaneously.
• Check if one of the concerned switches is damaged, obstructed
or jammed.
Refer problem to a qualified JLG mechanic.
2376
SWING SWITCH FAULTY
The Swing Right and Left Switches are active
simultaneously.
• Check if one of the concerned switches is damaged, obstructed
or jammed.
Refer problem to a qualified JLG mechanic.
2377
CHAIN SLACK SWITCH
DISAGREEMENT
A problem has been detected in this function.
Refer problem to a qualified JLG mechanic.
2378
MAIN MAST LIMIT SWITCH -
DECOUPLED
The information from the Mast Limit Switches is
not consistent.
• Check if one of the concerned limit switches is damaged,
obstructed or jammed.
Refer problem to a qualified JLG mechanic.
2379
MAIN MAST LIMIT SWITCH -
NOT RESPONDING
The status of the Main Mast Limit Switch does not
change while raising the mast.
• Check if the Main Mast limit switch (left switch) is damaged,
obstructed or jammed.
Refer problem to a qualified JLG mechanic.
2380
MAIN MAST LIMIT SWITCH -
FAULTY
A problem has been detected in this function.
Refer problem to a qualified JLG mechanic.
DTC
FAULT MESSAGE
DESCRIPTION
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