Flash Codes And Descriptions - JLG 3394RT Service Maintenance Manual

SECTION 5 - JLG CONTROL SYSTEM

5.2 FLASH CODES AND DESCRIPTIONS

Fault Flash
Communicated (Displayed on Analyzer) Fault
Code
None
FUNCTION SELECTED BUT TRIGGER SWITCH OPEN
RUNNING AT CUTBACK – ABOVE ELEVATION
ACCESSORY FAULT
FRONT LEFT LEVELING JACK AT END OF STROKE
FRONT RIGHT LEVELING JACK AT END OF STROKE
REAR LEFT LEVELING JACK AT END OF STROKE
REAR RIGHT LEVELING JACK AT END OF STROKE
LEVELING JACK SET PREVENTED - ECM LOST
GENERATOR PREVENTED - ECM LOST
DRIVE PREVENTED - ECM LOST
ELEVATION SENSOR DISAGREEMENT
2/1
KEYSWITCH FAULTY – PLATFORM & GROUND ACTIVE
TOGETHER
5-6
Table 5-1. Fault Code Listing - Software P1.X
No flash code is indicated for the following help
messages. They are intended to hint at a possible
problem if the vehicle is not behaving as expected.
Reported when the trigger is not closed with function selected
and joystick out of center.
Reported any time the machine is considered to be above ele-
vation.
Reports when CAN faults are reported by an accessory mod-
ule.
Reported when the front left leveling jack is reported to be at the
end of stroke pressure.
Reported when the front right leveling jack is reported to be at
the end of stroke pressure.
Reported when the rear left leveling jack is reported to be at the
end of stroke pressure.
Reported when the rear right leveling jack is reported to be at
the end of stroke pressure.
Reported when autoleveling is not available when communica-
tion with the ECM times-out.
Reported when generator is not available when communica-
tion with the ECM times-out.
Reported when elevated drive is not available when communi-
cation with the ECM times-out.
Reported when elevation prox switch is closed when the 26 ft
(3394RT) or 30 ft (4394RT) voltage is reached on the elevation
angle sensor. (prevents further lift up from platform controls)
Flash code 2/1 indicates issues at power up.
Reported when the ground module is reading both ground and
platform modes are selected by the keyswitch. The control
system defaults control to ground mode.
– JLG Lift–
Description Priority
1
2
3121133