JLG 450A_AJ Series II Service Manual - Manual (Page 358)

SECTION 6 - JLG CONTROL SYSTEM
6-48 – JLG Lift – 3121290
3/3
(Continued)
PVG VALVE OPEN CIRCUIT 1250AJP ONLY.
PVG VALVE SHORT TO BATTERY 1250AJP ONLY.
FOX SPARE OUTPUT SHORT TO
GROUND Fox machines ONLY.
FOX SPARE OUTPUT SHORT TO
BATTERY Fox machines ONLY.
FOX SPARE OUTPUT OPEN CIRCUIT Fox machines ONLY.
HOUR METER OPEN CIRCUIT This fault cannot be detected during normal operation. It may be
reported during self test.
RESTRICTED TO TRANSPORT –
AXLE LOCKOUT VALVE STB OR OC Machines with electrically released oscillating axles configured
ONLY. A short to battery or open circuit has been detected on axle
lockout valve and machine is restricted to transport position.
RESTRICTED TO TRANSPORT –
PARKING BRAKE STB Machines with electrically released oscillating axles configured
ONLY. A short to battery has been detected on parking brake valve
and machine is restricted to transport position.
3/4 Flash code 3/4 indicates a driver problem on a platform valve
block valve driver. All driver faults are detected in a similar man-
ner. Open circuit faults are detected when analog feedback
reads too high and output is commanded off. Short to ground is
detected when analog feedback reads low and output is com-
manded on. Short to battery is detected when analog feedback
reads Vbat and output is commanded off. Not reported during 2
second power-up. An EMS cycle is required. 6
BASKET UP SHORT TO BATTERY
BASKET UP SHORT TO GROUND
BASKET UP OPEN CIRCUIT
BASKET UP SHORT TO BATTERY OR
OPEN CIRCUIT Machines with electronic basket leveling ONLY.
BASKET DOWN SHORT TO BATTERY
BASKET DOWN SHORT TO
GROUND
bASKET DOWN OPEN CIRCUIT
BASKET DOWN SHORT TO BATTERY
OR OPEN CIRCUIT Machines with electronic basket leveling ONLY.
BASKET LEFT SHORT TO BATTERY
BASKER LEFT SHORT TO GROUND
BASKET LEFT OPEN CIRCUIT
BASKET RIGHT SHORT TO BATTERY
BASKET RIGHT SHORT TO GROUND
BASKET RIGHT OPEN CIRCUIT
JIB UP SHORT TO BATTERY
JIB UP SHORT TO GROUND
JIB UP OPEN CIRCUIT
JIB DOWN SHORT TO BATTERY
JIB DOWN SHORT TO GROUND
JIB DOWN OPEN CIRCUIT
JIB LEFT SHORT TO BATTERY
Table 6-6. Help Fault Codes, Displayed Faults, and Descriptions
Flash Code Fault Displayed on Analyzer Description Priority