Type "Uxxx" Faults - Genie GR-12 Service Manual

Service Manual
Diagnostics

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
U015:SWITCHFAULT
U015:
PCON STEER LEFT
U016:SWITCHFAULT
U016:
PCON STEER RIGHT
U017:SWITCHFAULT
U017:
PCON HORN
U018:SWITCHFAULT
U018:
PCON LO DRIV SPD
U033:JSTICKFAULT
U033:
OUT OF CAL RANGE
U034:JSTICKFAULT
U034:
OUT OF RANGE:HI
U035:JSTICKFAULT
U035:
OUT OF RANGE:LO
U036:SWITCHFAULT
U036:
GCON + PCON:ON
U042:SWITCHFAULT
U042:
PCON DRIVE MODE
U045:SWITCHFAULT
U045:
PCON DRIVE EN
U046:SWITCHFAULT
U046:
PCON LIFT MODE
106
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 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.
PCON drive joystick signal is outside
acceptable calibration range at system
startup.
Short circuit of the PCON drive joystick signal
to battery positive at system startup.
Short circuit of the PCON drive joystick signal
to battery negative at system startup.
Mis-wiring or short circuit of GCON key
switch.
PCON drive mode switch stuck closed, or
depressed prior to startup.
Short circuit of the PCON drive enable switch
at system startup.
PCON function enable switch stuck closed, or
depressed at system startup.
GR ™ • QS ™ R • QS
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 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.
• PCON drive joystick is not in neutral position at
startup.
• PCON joystick.
• GCON ECM.
• Short circuit of the PCON drive joystick signal
circuit.
• PCON joystick.
• GCON ECM.
• Short circuit of the PCON drive joystick signal
circuit.
• PCON joystick.
• GCON ECM.
• Short circuit of the PCON drive enable switch.
• GCON ECM.
• Drive mode switch stuck closed.
• Drive mode switch is depressed at system
startup.
• PCON ECM.
• Short circuit of the PCON drive enable switch.
• PCON ECM.
• GCON ECM.
• PCON lift mode switch depressed at system
startup.
• PCON ECM.
™ W
May 2018
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.
PCON horn switch
function inhibited.
The machine is
limited to low drive
speed.
All PCON drive and
steer functions
inhibited.
All PCON drive and
steer functions
inhibited.
All PCON drive and
steer functions
inhibited.
All functions
inhibited.
Drive functions
inhibited.
All drive and steer
functions inhibited.
All functions operate
except platform
up/down.
Part No. 1275811GT