JLG 510AJ Service Manual - Manual (Page 353)

SECTION 6 - JLG CONTROL SYSTEM
3121181 – JLG Lift – 6-71
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 feedback reads too high and the output is com-
manded off. Short to ground is detected when the analog feed-
back reads low and the output is commanded 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 CIR-
CUIT 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 CIR-
CUIT 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 CIR-
CUIT 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 glowplugs configured.
GLOW PLUG OPEN CIRCUIT Only occurs on machines with glowplugs configured.
GLOW PLUG SHORT TO BATTERY Only occurs on machines with glowplugs 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 6-9. Help Fault Codes, Displayed Faults, and Descriptions
Fault Flash
Code
Analyzer Display Description Priority