MACHINE TROUBLESHOOTING - CONTROLLER FAULT CODES
86037580 GLIDE 01/03/07
4-20
ERRO
R
CODE
PROBLEM SOLUTIO
N
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.
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