SECTION 5 – GENERAL SPECIFICATIONS AND MAINTENANCE
– JLG Lift –
5-55
2542
FUNCTION PREVENTED -
BRAKES ELECTRONICALLY
RELEASED FOR TOWING
Manual brake release mode is activated. Drive or
lift is not possible.
• Push manual brake release switch again or cycle power to clear
manual brake release mode.
• Check if the brake release switch is damaged, obstructed or
jammed.
Refer problem to a qualified JLG mechanic.
2543
FUNCTION PREVENTED -
CHAIN SLACK DETECTED
Slack was detected in the mast chain.
• Refer to section 4 for the required operations to clear the fault.
• Check if the Chain Slack Limit Switches are damaged,
obstructed or jammed.
Refer problem to a qualified JLG mechanic.
2544
ALL FUNCTIONS PREVENTED -
FAULTY MASTER VALVE
ENABLE
A problem has been detected in this function.
Refer problem to a qualified JLG mechanic.
2545
ALL FUNCTION S PREVENTED -
FAULTY SLAVE VALVE ENABLE
A problem has been detected in this function.
Refer problem to a qualified JLG mechanic.
2548
SYSTEM TEST MODE ACTIVE
The system is in test mode.
• Cycle power to clear test mode.
Refer problem to a qualified JLG mechanic.
DTC
FAULT MESSAGE
DESCRIPTION
CHECK
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