JLG E450A Service And Maintenance Manual page 392

SECTION 6 - JLG CONTROL SYSTEM
DTC Cat DTC Num
33 110 TOWER LIFT DOWN VALVE - OPEN CIRCUIT
33 111 TOWER LIFT DOWN VALVE - SHORT TO BATTERY The UGM detects a short to ground at the tower lift
33 118 SWING RIGHT VALVE - SHORT TO GROUND
33 119 SWING RIGHT VALVE - OPEN CIRCUIT
33 120 TELESCOPE IN VALVE - SHORT TO BATTERY
33 122 SWING LEFT VALVE - SHORT TO GROUND
33 123 TELESCOPE OUT VALVE - SHORT TO BATTERY
33 175 JIB ROTATE LEFT VALVE - OPEN CIRCUIT
33 176 JIB ROTATE LEFT VALVE - SHORT TO BATTERY
33 177 JIB ROTATE LEFT VALVE - SHORT TO GROUND
33 178 JIB ROTATE RIGHT VALVE - OPEN CIRCUIT
33 179 JIB ROTATE RIGHT VALVE - SHORT TO BATTERY
33 180 JIB ROTATE RIGHT VALVE - SHORT TO GROUND
33 182 LIFT VALVES - SHORT TO BATTERY
33 186 TELESCOPE OUT VALVE - OPEN CIRCUIT
33 188 TELESCOPE OUT VALVE - SHORT TO GROUND
33 189 TELESCOPE IN VALVE - OPEN CIRCUIT
33 190 TELESCOPE IN VALVE - SHORT TO GROUND
33 295 SWING LEFT VALVE - OPEN CIRCUIT
33 298 STEER LEFT - SHORT TO GROUND
33 305 STEER RIGHT - SHORT TO GROUND
33 314 FLOW CONTROL VALVE - OPEN CIRCUIT
6-76
Table 6-17. Diagnostic Trouble Codes
DTC Text
The UGM detects an open circuit supporting the
Tower Down Solenoid
down output
The UGM detects a short to ground at the Swing
Right output
The UGM detects an open circuit at the Swing Right
output
The UGM detects a short to 12V battery at this out-
put
The UGM detects a short to ground at the Swing Left
output
The UGM detects a short to 12V battery at this out-
put
MACHINE SETUP -> JIB PLUS = YES;
UGM detects an open circuit at the jib rotate left
output
MACHINE SETUP -> JIB PLUS = YES;
UGM detects a short to ground at the jib rotate left
output
MACHINE SETUP -> JIB PLUS = YES;
UGM detects a short to battery at the jib rotate left
output
MACHINE SETUP -> JIB PLUS = YES;
UGM detects an open circuit at the jib rotate right
output
MACHINE SETUP -> JIB PLUS = YES;
UGM detects a short to battery at the jib rotate right
output
MACHINE SETUP -> JIB PLUS = YES;
UGM detects a short to ground at the jib rotate right
output
UGM detects a short to 12V battery at either the Lift
Up or Lift Down valve
UGM detects an open circuit at this output
The UGM detects a short to ground at this output
The UGM detects an open circuit at this output
The UGM detects a short to ground at this output
The UGM detects an open circuit at the Swing Left
output
The UGM detects a short to ground at steer left out-
put.
The UGM detects a short to ground at steer right
output.
The UGM detects an OC at this output
Fault Description
UGM no longer detects open circuit;
Inhibits and restrictions removed after CntrlIni;
Power cycle
Power cycle
UGM no longer detects OC;
Speed restrictions removed after CntIni
Power cycle
Power cycle
Power cycle
UGM no longer detects OC;
Speed restrictions removed after CntIni
Power cycle
Power cycle
UGM no longer detects OC;
Speed restrictions removed after CntIni
Power cycle
Power cycle
Power cycle
UGM no longer detects OC.
Speed restrictions removed after CntIni
Power cycle
UGM no longer detects OC.
Speed restrictions removed after CntIni
Power cycle
UGM no longer detects OC;
Speed restrictions removed after CntIni
Power cycle
Power cycle
Power cycle
Solution
3121714