JLG 460SJ Service Manual User Manual
Page 343

SECTION 6 - JLG CONTROL SYSTEM (S/N 61718 TO PRESENT)
3120895
– JLG Lift –
6-27
3/3
Flash code 3/3 indicates a driver problem. All driver faults are detected in
a similar manner. Open circuit faults are detected when the analog feed-
back reads too high and the output is commanded off. Short to ground is
detected when the analog feedback reads low and the output is com-
manded on. Short to battery is detected when the analog feedback reads
Vbat and the output is commanded off. Not reported during 2 second
power-up. An EMS cycle is required.
6
RIGHT FORWARD DRIVE PUMP
SHORT TO GROUND
Only occurs on machines with a chassis module.
RIGHT FORWARD DRIVE PUMP
SHORT TO BATTERY
Only occurs on machines with a chassis module.
RIGHT FORWARD DRIVE PUMP
OPEN CIRCUIT
Only occurs on machines with a chassis module.
RIGHT REVERSE DRIVE PUMP
SHORT TO GROUND
Only occurs on machines with a chassis module.
RIGHT REVERSE DRIVE PUMP
SHORT TO BATTERY
Only occurs on machines with a chassis module.
RIGHT REVERSE DRIVE PUMP OPEN
CIRCUIT
Only occurs on machines with a chassis module.
LEFT FORWARD DRIVE PUMP
SHORT TO GROUND
Only occurs on machines with a chassis module.
LEFT FORWARD DRIVE PUMP
SHORT TO BATTERY
Only occurs on machines with a chassis module.
LEFT FORWARD DRIVE PUMP OPEN
CIRCUIT
Only occurs on machines with a chassis module.
LEFT REVERSE DRIVE PUMP SHORT
TO GROUND
Only occurs on machines with a chassis module.
LEFT REVERSE DRIVE PUMP SHORT
TO BATTERY
Only occurs on machines with a chassis module.
LEFT REVERSE DRIVE PUMP OPEN
CIRCUIT
Only occurs on machines with a chassis module.
ALTERNATOR/ECM POWER SHORT
TO GROUND
HOUR METER SHORT TO GROUND
HOUR METER SHORT TO BATTERY
HORN SHORT TO GROUND
HORN OPEN CIRCUIT
HORN SHORT TO BATTERY
AUX POWER SHORT TO GROUND
AUX POWER OPEN CIRCUIT
AUX POWER SHORT TO BATTERY
GLOW PLUG SHORT TO GROUND
Only occurs on machines with glow plugs configured.
GLOW PLUG OPEN CIRCUIT
Only occurs on machines with glow plugs configured.
GLOW PLUG SHORT TO BATTERY
Only occurs on machines with glow plugs configured.
LP LOCK SHORT TO GROUND
Only occurs on machines with dual-fuel engines.
LP LOCK OPEN CIRCUIT
Only occurs on machines with dual-fuel engines.
Table 6-3. Help Fault Codes, Displayed Faults, and Descriptions - S/N 66995 to Present
Fault Flash
Code
Communicated (Displayed on
Analyzer) Fault
Description
Priority