Service and Repair Manual August 2021
Type "UXXX" Faults
194 GS
™
-30m • 32m • 30 • 32 • 46 • 55 Part No. 1309020GT
Type "UXXX" Faults, (continued)
DTC
Number
Message on
GCON LCD
Description Possible Causes Failure Mode
U020:
U020:SWITCHFAULT
PCON HI LIFT SPD
Short circuit of the PCON high lift
speed switch at system startup.
• Short circuit of the PCON hi lift speed switch.
• GCON ECM.
PCON platform up and
down functions
inhibited.
U021:
U021:SWITCHFAULT
PCON UP
Short circuit of the PCON up
directional switch at system startup.
• Short circuit of the PCON up directional switch.
• GCON ECM.
PCON platform up
function inhibited.
U022:
U022:SWITCHFAULT
PCON DOWN
Short circuit of the PCON down
directional switch at system startup.
• Short circuit of the PCON down directional switch.
• GCON ECM.
PCON platform down
functions inhibited.
U023:
U023:SWITCHFAULT
PCON O/R ENABLE
Short circuit of the PCON outrigger
enable switch at system startup.
• Short circuit of the PCON outrigger enable switch.
• GCON ECM.
All outrigger functions
inhibited.
U033:
U033:JSTICKFAULT
OUT OF CAL RANGE
PCON drive joystick signal is outside
acceptable calibration range at
system startup.
• PCON drive joystick is not in neutral position at startup.
• PCON joystick.
• GCON ECM.
All PCON 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 PCON 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 PCON drive and
steer functions
inhibited.
U036:
U036:SWITCHFAULT
GCON + PCON:ON
Mis-wiring or short circuit of GCON
key switch.
• GCON key switch.
• GCON ECM.
All functions inhibited.
U037:
U037:SWITCHFAULT
FOOTSW PRESSED
Foot switch pressed at machine
startup.
• Short circuit in the foot switch harness.
• Foot switch.
• GCON ECM.
All functions inhibited.
U038:
U038:SWITCHFAULT
FOOTSWITCH:BAT+
Mis-wiring or short circuit of foot
switch to battery positive.
• Short circuit in the foot switch harness.
• Foot switch.
• GCON ECM.
All functions inhibited.
U039:
U039:SWITCHFAULT
FOOTSW:OPEN/BAT-
Mis-wiring, open or short circuit of foot
switch to battery negative.
• Short circuit in the foot switch harness.
• Foot switch.
• GCON ECM.
All functions inhibited.
U040:
U040:SWITCHFAULT
FOOTSW:TIMEOUT
PCON deck switch pressed at
machine startup.
• Short circuit in the foot switch harness.
• Foot switch.
• GCON ECM.
All functions inhibited.
To Next Page
Loading...
Need help?
General
