JLG 3246ES Operator Manual - Manual (Page 80)

SECTION 4 - MACHINE OPERATION
4-30 – JLG Lift – 3121165
423 LIFT UP AT CUTBACK - POWER MOD-
ULE CURRENT LIMIT The lift up portion of the power module
has reached thermal limit. Refer problem to a qualified JLG mechanic.
4-4 Battery Supply
DTC FAULT MESSAGE DESCRIPTION CHECK
441 BATTERY VOLTAGE TOO LOW - SYSTEM
SHUTDOWN A problem has been detected with the bat-
teries 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 bat-
teries or power module. • May be due to improper battery charging or incorrect voltage batteries
being used.
Refer problem to a qualified JLG mechanic.
443 LSS BATTERY VOLTAGE TOO HIGH A problem has been detected with the load
sense system. • May be due to improper battery charging or incorrect voltage batteries
being used.
Refer problem to a qualified JLG mechanic.
444 LSS BATTERY VOLTAGE TOO LOW A problem has been detected with the load
sense system. • Recharge batteries or check for damaged batteries.
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 operat-
ing range.
• Check for severely discharged battery, loose cables or for damaged bat-
tery; otherwise;
• Refer problem to a qualified JLG mechanic.
4-2 Thermal Limit (SOA)
DTC FAULT MESSAGE DESCRIPTION CHECK