JLG 3248RS/10RS Operator Manual - Manual (Page 89)

SECTION 5 - GENERAL SPECIFICATIONS AND MAINTENANCE
3121272 – JLG Lift – 5-25
4-4 Battery Supply
DTC FAULT MESSAGE DESCRIPTION CHECK
441 BATTERY VOLTAGE TOO LOW - SYSTEM
SHUTDOWN A problem has been detected with the batter-
ies or power module. • Recharge batteries or check for damaged batteries.
• Check battery charger function.
Refer problem to a qualified JLG mechanic.
442 BATTERY VOLTAGE TOO HIGH - SYSTEM
SHUTDOWN A problem has been detected with the batter-
ies or power module. • May be due to improper battery charging or incorrect voltage batteries being
used.
Refer problem to a qualified JLG mechanic.
446
4421
4422
LOGIC SUPPLY VOLTAGE OUT OF RANGE The System Module logic supply voltage was
measured to be out of normal operating range.
• Check for severely discharged battery, loose cables or for damaged battery;
otherwise;
• Refer problem to a qualified JLG mechanic.
6-6 Communication
DTC FAULT MESSAGE DESCRIPTION CHECK
661 CANBUS FAILURE - POWER MODULE The control system failed to receive messages
from the power module. Refer problem to a qualified JLG mechanic.
6643 CANBUS FAILURE - LSS ANGLE SENSOR The control system failed to receive messages
from the angle sensor.
Refer problem to a qualified JLG mechanic.