Page F-8
Repair and Service Manual
B
ELECTRONIC SPEED CONTROL
Read all of Section B and this section before attempting any procedure. Pay particular attention to Notices, Cautions, Warnings and Dangers.
Fig. 9 Controller Connectors and Connections
4 - 3
M- fault
Vehicle will not run
• Check M- wiring and repair; Replace controller
4 - 4
Auxiliary contact did not
close
Vehicle will not run
• Replace controller
4 - 5
Welded auxiliary con-
tact
Vehicle runs slowly
• Replace controller
5 - 1
Keyswitch SRO
Vehicle will not run
• Check keyswitch wiring; Replace keyswitch
5 - 2
Main coil open
Vehicle will not run
• Check coil connections/wiring; Replace solenoid if necessary
5 - 3
Aux driver on
Vehicle will not run
• Check walkaway relay wiring; Replace controller
5 - 5
Missing contactor
Vehicle stops
• Check all solenoid wiring; Replace solenoid if necessary
Fig. 8 48 volt Fault Codes
J1
J2
F1
F2
B+
B-
M-
J3
Summary of Contents for EXPRESS L6 2012
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