Type "Fxxx" Faults - Genie GRC-12 Service Manual

September 2016
REV A
DTC Message on
Number GCON LCD
F003:SWITCHFAULT
F003
DOWN LIMIT1:Bat+
F005:SWITCHFAULT
F005
POTHOLE1:Bat+
F007:SWITCHFAULT
F007
CHASSISTILT:Bat+
F032:SWITCHFAULT
F032
OVLD:Bat+
F033:SWITCHFAULT
F033
OVLD:OPEN/Bat-
Part No. 227123
Problem
Description
Short circuit of the down limit
#1 switch at system start up.
Short circuit of the pothole limit
#1 switch at system start up.
Short circuit of the chassis
digital tilt switch at system start
up.
Short circuit of the platform
overload switch with battery
positive.
Short circuit of the platform
overload switch circuit to
battery negative.
GRC

Type "FXXX" Faults

Possible
Causes
• Short circuit of the down limit switch circuit.
• Down limit #1 switch short circuit.
• GCON ECM.
• Short circuit of the pothole switch circuit.
• Pothole limit #1 switch short circuit.
• GCON ECM.
• Short circuit of the chassis digital tilt switch
circuit.
• Chassis digital tilt switch short circuit.
• GCON ECM.
• Short circuit of the platform overload
switch circuit to battery positive.
• GCON ECM.
• Short circuit of the platform overload
switch circuit to battery negative.
• GCON ECM.
Section 5 • Diagnostics
Failure
Mode
All functions
inhibited except
platform down.
All functions
inhibited except
platform down as
long as machine is
in the elevated
position.
If machine is in
stowed position, all
functionality is
resumed.
All functions
inhibited except
platform down as
long as machine is
in the elevated
position.
If machine is in
stowed position, all
functionality is
resumed.
All functions
inhibited except
platform down.
All functions
inhibited except
platform down.
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