SECTION 6 – GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
DTC
FAULT MESSAGE
BATTERY DEEPLY
4420
DISCHARGED
4-6 Transmission and Drive System
DTC
FAULT MESSAGE
RIGHT SPEED SENSOR - NOT
4610
RESPONDING PROPERLY
LEFT SPEED SENSOR - NOT
4611
RESPONDING PROPERLY
RIGHT SPEED SENSOR - RPM
4612
HIGH
LEFT SPEED SENSOR - RPM
4613
HIGH
6-46
DESCRIPTION
The batteries are deeply discharged.
DESCRIPTION
A problem has been detected with the right drive
motor speed sensor (encoder).
A problem has been detected with the left drive
motor speed sensor (encoder).
Machine overspeed has been detected on the
right motor.
Machine overspeed has been detected on the left
motor.
– JLG Lift –
CHECK
• Recharge batteries.
• Check for damaged batteries, battery cables or con-
nections.
• Check battery charger function. Be sure to observe
indicators for at least 30 seconds.
Refer problem to a qualified JLG mechanic.
CHECK
Refer problem to a qualified JLG mechanic.
Refer problem to a qualified JLG mechanic.
• The machine should be driven at limited speed in
ramps.
Refer problem to a qualified JLG mechanic.
• The machine should be driven at limited speed in
ramps.
Refer problem to a qualified JLG mechanic.
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