MACHINE TROUBLESHOOTING - CONTROLLER FAULT CODES
FLX3 980087 04/01/03
4-20
ERROR
CODE
PROBLEM
SOLUTION
None
LCD display on, but incomplete
Disconnect batteries and wait 1
minute before re-applying power.
0A01
Power down error
Disconnect batteries and wait 1
minute before re-applying power.
0204
Memory corrupt
Replace controller.
All 080_
codes
Throttle wiring
Check for short or open circuits in
throttle wiring.
All 140 _
Codes
Check for short circuit between
B+ and traction output.
All 310_
Codes
Possible short circuit of motors, auxiliary outputs
(headlight, recycle pump, or back-up alarm),
wiring or damaged controller
Check for short circuits. If code is
present after short circuits are
repaired, replace controller.
7500
LCD module communications timeout
Wiring fault on 6-way serial link
between controller and display.
7501
LCD module settings corrupt
Disconnect batteries and wait 1
minute before re-applying power.
All 760_
Codes
Brush motor or brush circuit fault
Check for short or open circuits in
brush motors or wiring.
All 770_
Codes
Vacuum motor or vacuum circuit fault
Check for short or open circuits in
vacuum motor(s) or wiring.
7800
Traction motor open circuit fault
Check for open circuit on propel
motor or wiring.
7801
Traction motor overcurrent error
Check for short circuit on propel
motor or wiring.
7802
Traction motor in power foldback state
Propel motor current has
exceeded current limit for the
foldback time.
All 790_
Codes
Emergency stop error
E-stop input active or wiring fault.
9000
Brush current requirement not satisfied
Check that brushes or pads are
installed. Check for open circuit
in scrub lift actuator, circuit
breaker or wiring.