Wheel System, Traction 83Service Manual – Focus II / Scrubtec R6 Rider Autoscrubber
Status Led Fault Codes
3,5
HPD
HPD (High Pedal Disable)
fault
• Improper sequence of throttle and KSI (keyswitch input)
• Misadjusted throttle pot
4,1
CURRENT SENSE FAULT
Current sense fault
• Short in motor or in motor wiring
• Controller failure
• The keyswitch must be cycled before this fault can clear
4,2
HW FAILSAFE
Motor voltage fault (hardware
failsafe)
• Motor voltage does not correspond to throttle request
• Short in motor or in motor wiring
• Controller failure
• The keyswitch must be cycled before this fault can clear
4,3
EEPROM FAULT
EEPROM fault
• EEPROM failure or fault
• The keyswitch must be cycled before this fault can clear
4,4
POWER SECTION FAULT
Power section fault
• EEPROM failure or fault
• Short in motor or in motor wiring
• Controller failure
• The keyswitch must be cycled before this fault can clear
Removal and Installation
Drive Controller
Warning: Disconnect the battery connector before servicing
machine.
Note: Drive controllers are factory pre-programmed for the machine. Use only factory authorized
replacement controllers.
1. Turn off the key and disconnect the main battery
connector.
2. Remove the Electrical Panel Cover described on
page 37.
3. Disconnect the Logic cable connector (3) from the
J10 connector on the drive controller (1).
4. Remove the four motor wires (4 & 5) from the
drive controller terminals. Note the color coding
for later replacement.
5. Remove the positive (7) and negative (6) battery
wires from the controller. Note the color coding for
later replacement.
6. Remove the two screws (2) that secure the drive
controller (1) to the electrical panel, and remove
the drive controller.
7. After replacement, test the machine drive functions in an open area to ensure proper operation.
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