SECTION 5 – GENERAL SPECIFICATIONS AND MAINTENANCE
– JLG Lift –
5-63
4418
MASTER MODULE VOLTAGE
OUT OF RANGE
A problem has been detected with the batteries or
power module.
• Recharge batteries.
• Check for damaged batteries, battery cables or connections.
• Check battery charger function. Be sure to observe indicators
for at least 30 seconds.
Refer problem to a qualified JLG mechanic.
4419
SLAVE MODULE VOLTAGE OUT
OF RANGE
A problem has been detected with the batteries or
power module.
• Recharge batteries.
• Check for damaged batteries, battery cables or connections.
• Check battery charger function. Be sure to observe indicators
for at least 30 seconds.
Refer problem to a qualified JLG mechanic.
4420
BATTERY DEEPLY
DISCHARGED
The batteries are deeply discharged.
• Recharge batteries.
• Check for damaged batteries, battery cables or connections.
• Check battery charger function. Be sure to observe indicators
for at least 30 seconds.
Refer problem to a qualified JLG mechanic.
DTC
FAULT MESSAGE
DESCRIPTION
CHECK
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