Terex Genie GS-2669 BE, Service Manual

Page: 157 / 205

May 2015 Service Manual
Fault Codes
Part No. 1257106 GS-2669 BE • GS-3369 BE • GS-4069 BE 141
Type "UXXX" Faults, continued
DTC
Number
Message on
GCON LCD
Description Possible Causes Failure Mode
U033 U033:JSTICKFAULT
OUT OF CAL RANGE
PCON drive joystick signal is outside
acceptable calibration.
• PCON drive joystick is not in neutral position range at
system startup.
• PCON joystick.
• GCON ECM.
All drive and steer
functions inhibited.
U034 U034:JSTICKFAULT
OUT OF RANGE:HI
Short circuit of the PCON drive
joystick signal to battery positive at
system startup.
• Short circuit of the PCON drive joystick signal circuit.
• PCON joystick.
• GCON ECM.
All drive and steer
functions inhibited.
U035 U035:JSTICKFAULT
OUT OF RANGE:LO
Short circuit of the PCON drive
joystick signal to battery negative at
system startup.
• Short circuit of the PCON drive joystick signal circuit.
• PCON joystick.
• GCON ECM.
All drive and steer
functions inhibited.
U036 U036:SWITCHFAULT
GCON + PCON:ON
Mis-wiring or short circuit of GCON
key switch.
• Short circuit of the GCON key switch harness.
• GCON key switch.
• GCON ECM.
All functions inhibited.
U037 U037:SWITCHFAULT
FOOTSW PRESSED
Foot switch or Enable switch
depressed at startup.
• Enable switch activated at startup.
• Enable switch contact stuck closed.
• PCON ECM.
All drive and steer
functions inhibited.
U038 U038:SWITCHFAULT
FOOTSWITCH:Bat+
Short circuit of the PCON power
circuit to enable switch to battery
positive.
• Short circuit in PCON power harness.
• Enable switch shorted battery positive.
• PCON ECM.
All drive and steer
functions inhibited.
U039 U039:SWITCHFAULT
FOOTSW:Open/Bat-
Open or short circuit of the PCON
power circuit to enable switch to
battery negative.
• Open or short circuit in PCON power harness.
• Enable switch short or open to battery negative.
• PCON ECM.
All drive and steer
functions inhibited.
U042 U042:SWITCHFAULT
PCON DRIVE MODE
PCON drive mode switch stuck
closed, or depressed prior to startup.
• Drive mode switch stuck closed.
• Drive mode switch is depressed at system startup.
• PCON ECM.
Drive function inhibited.
U043 U043:SWITCHFAULT
PCON OR MODE
PCON outrigger mode switch stuck
closed, or depressed prior to startup.
• Outrigger mode switch stuck closed.
• Outrigger mode switch is depressed at system startup.
• PCON ECM.
Outrigger extend / retract
function inhibited.
U045 U045:SWITCHFAULT
PCON DRIVE EN
Short circuit of the PCON drive
enable switch at system startup.
• Short circuit of the PCON drive enable switch.
• PCON ECM.
• GCON ECM.
All drive and steer
functions inhibited.
U046 U046:SWITCHFAULT
PCON LIFT MODE
PCON lift mode fault • PCON lift mode switch is depressed at system startup.
• PCON ECM.
All functions operate
except platform up or
down.