JLG 800A_AJ ANSI Service Manual User Manual
Page 383
SECTION 6 - JLG CONTROL SYSTEM (S/N 0300065534 TO PRESENT)
3120740
– JLG Lift –
6-53
BASKET DOWN SHORT TO BAT-
TERY OR OPEN CIRCUIT
Only occurs on machines with electronic basket leveling.
BASKET LEFT SHORT TO BATTERY
BASKER LEFT SHORT TO GROUND
BASKET LEFT OPEN CIRCUIT
BASKET RIGHT SHORT TO BAT-
TERY
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
JIB LEFT SHORT TO GROUND
JIB LEFT OPEN CIRCUIT
JIB RIGHT SHORT TO BATTERY
JIB RIGHT SHORT TO GROUND
JIB RIGHT OPEN CIRCUIT
PLATFORM CONTROL VALVE
SHORT TO BATTERY
Only occurs on machines with electronic basket leveling
PLATFORM CONTROL VALVE
SHORT TO GROUND
Only occurs on machines with electronic basket leveling
PLATFORM CONTROL VALVE OPEN
CIRCUIT
Only occurs on machines with electronic basket leveling
3/5
Flash code 3/5 indicates a brake pressure problem.
NOT REQUIRED
4/2
Flash code 4/2 indicates that the engine is over temperature. NOT REQUIRED
4/3
Flash code 4/3 indicates problems with the engine. Except where noted, these faults are not reported during 2 second
power-up sequence.
9
HIGH ENGINE TEMP
Occurs when the engine temperature is above 117 degrees Celsius for the Ford engines,
and above 130 degrees Celsius for the Deutz engines.
AIR FILTER BYPASSED
Air filter clogged
NO ALTERNATOR OUTPUT
The engine has been running for 15 seconds or more and the battery voltage is still
below 12.5 volts.
LOW OIL PRESSURE
If a Deutz engine is installed, the oil pressure is below 8 PSI and the engine has been run-
ning for at least 10 seconds. If a Ford engine is installed, the Ford ECM has reported a low
oil pressure fault.
OIL PRESSURE SHORT TO BAT-
TERY
If a Deutz engine is installed, this indicates that the oil pressure sensor is reading above
6.6 volts.
OIL PRESSURE SHORT TO
GROUND
If a Deutz engine is installed, this indicates that the oil pressure sensor is reading below
0.1 volts for more than 5 seconds. This fault is not detected during crank.
Table 6-8. Help Fault Codes, Displayed Faults, and Descriptions - S/N 0300066931 to Present
Fault Flash
Code
Communicated (Displayed on
Analyzer) Fault
Description
Priority