Type "Uxxx" Faults - Terex Genie GS-1330m Service And Repair Manual

August 2021

Type "UXXX" Faults

DTC Message on
Number GCON LCD
U001:SWITCHFAULT
U001:
GCON MAIN FTN EN
U002:SWITCHFAULT
U002:
GCON PLAT UP
U003:SWITCHFAULT
U003:
GCON PLAT DOWN
U004:SWITCHFAULT
U004:
GCON LCD UP
U005:SWITCHFAULT
U005:
GCON LCD DOWN
U006:SWITCHFAULT
U006:
GCON LCD ENTER
U007:SWITCHFAULT
U007:
GCON LCD ESCAPE
U014:SWITCHFAULT
U014:
PCON DRIVE EN
U015:SWITCHFAULT
U015:
PCON STEER LEFT
U016:SWITCHFAULT
U016:
PCON STEER RIGHT
U017:SWITCHFAULT
U017:
PCON HORN
U018:SWITCHFAULT
U018:
PCON LO DRIV SPD
U019:SWITCHFAULT
U019:
PCON LO LIFT SPD
Part No. 1309020GT
Description
Short circuit of the GCON main
function enable switch at system
startup.
Short circuit of the GCON up
directional switch at system startup.
Short circuit of the GCON down
directional switch at system startup.
Short circuit of the GCON LCD scroll
up switch at system startup.
Short circuit of the GCON LCD scroll
down switch at system startup.
Short circuit of the GCON LCD enter
switch at system startup.
Short circuit of the GCON LCD escape
switch at system startup.
Short circuit of the PCON drive enable
switch at system startup.
Short circuit of the PCON steer left
switch at system startup.
Short circuit of the PCON steer right
switch at system startup.
Short circuit of the PCON horn switch
at system startup.
Short circuit of the PCON low drive
speed switch at system startup.
Short circuit of the PCON low lift speed
switch at system startup.
GS ™ -30m • 32m • 30 • 32 • 46 • 55
Type "UXXX" Faults
Possible Causes
• Short circuit of the GCON main function enable switch.
• GCON ECM.
• Short circuit of the GCON up directional switch.
• GCON ECM.
• Short circuit of the GCON down directional switch.
• GCON ECM.
• Short circuit of the GCON LCD scroll up switch.
• GCON ECM.
• Short circuit of the GCON LCD scroll down switch.
• GCON ECM.
• Short circuit of the GCON LCD enter switch.
• GCON ECM.
• Short circuit of the GCON LCD escape switch.
• GCON ECM.
• Short circuit of the PCON drive enable switch.
• GCON ECM.
• Short circuit of the PCON steer left switch.
• GCON ECM.
• Short circuit of the PCON steer right switch.
• GCON ECM.
• Short circuit of the PCON horn switch.
• GCON ECM.
• Short circuit of the PCON low drive speed switch.
• GCON ECM.
• Short circuit of the PCON low lift speed switch.
• GCON ECM.
Service and Repair Manual
Failure Mode
All GCON functions
inhibited.
All GCON functions
inhibited except
platform down.
All GCON functions
inhibited except
platform up.
All GCON LCD menu
functions inhibited.
All GCON LCD menu
functions inhibited.
All GCON LCD menu
functions inhibited.
All GCON LCD menu
functions inhibited.
All PCON drive and
steer functions inhibited.
All PCON drive and
steer functions inhibited.
All PCON drive and
steer functions inhibited.
PCON horn switch
function inhibited.
The machine is limited
to low drive speed.
PCON platform up and
down functions
inhibited.
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