Oshkosh Corporation JLG 450AJ, Service And Maintenance Manual

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SECTION 6 - JLG CONTROL SYSTEM
6-62 – JLG Lift – 3121659
CANBUS FAILURE – TCU MOD-
ULE 6622 MACHINE SETUP > CLEARSKY = YES
No CAN2 messages are received from the TCU module for more
than 30 seconds No response required for this
DTC Not all of the trigger conditions are met
CANBUS FAILURE – CHASSIS
TILT SENSOR 6635 UGM does not receive any CAN messages from the Chassis Tile
Sensor in 250ms The UGM shall consider the
machine Tilted;
UGM reports a combined
chassis tilt angle of 90
degrees;
UGM shall report individual
axis readings as ?? CAN messages are received from the Chassis
tilt Sensor and controls are initialized
CANBUS FAILURE - GROUND
DISPLAY 6651 UGM does not receive any CAN messages from the Ground Dis-
play in 250ms No response required for this
DTC CAN messages are received from the Ground
Display
CANBUS FAILURE – TEMPERA-
TURE SENSOR 6657 MACHINE SETUP > TEMP CUTOUT = YES;
UGM does not receive any CAN messages from the Ambient
Temperature sensor in 250ms The UGM shall set Low Tem-
perature Cutout state =
Faulty
If the Machine is in Platform
Mode and if the Boom is
Above Elevation;
The UGM shall suspend
motion;
The UGM shall limit the
machine to Creep speed after
controls initialized
If the Machine is in Platform
Mode and if the Boom is not
Above Elevation;
The UGM shall limit Swing,
Tower Lift (340AJ. 450AJ),
Tele, Lift, Platform Rotate,
Platform Level, and Jib Lift (if
MACHINE SETUP > JIB = YES)
to Creep speed
If the Machine is in Ground
Mode;
No response required for this
DTC
CAN messages are received from the Ambi-
ent Temperature sensor
REMOTE CONTRACT MANAGE-
MENT OVERRIDE – ALL FUNC-
TIONS IN CREEP 681 MACHINE SETUP > CLEARSKY = YES
Value set by ClearSky TCU Response detailed in Remote
Contract Management sec-
tion. Cleared by ClearSky TCU
CHASSIS TILT SENSOR NOT CAL-
IBRATED 813 The UGM detects one of the follow conditions:
The tilt sensor has not been calibrated;
For 400S, 450AJ, the Tilt Sensor source Address is 0xC0;
For 400S, 450AJ, the Tilt Sensor Serial number does not match The UGM shall consider the
machine Tilted
UGM reports a combined
chassis tilt angle of 90
degrees;
UGM shall report individual
axis readings Tilt sensor calibrated
Table 6-5. Diagnostic Trouble Code Chart
Help Message DTC
Fault Condition/Trigger
(For configurable items, fault applies only if
configured. All listed conditions to be met unless
stated otherwise)
Required Control
Response or State
Assignment
Conditions Required for Movement
and/or to Clear Fault