Diagnostics Menu
Page 12
IQDM Service Tool Owner’s Manual
•
E. Gradually reduce the armature current limit
•
F. Quickly reduce the armature current until speed sensor pulses occur
•
G. Reduce field current and beep reverse buzzer at a fast rate
FAULT RECOVERY
When a fault is detected by the speed controller, the speed controller will attempt to recover from the fault and
resume normal operation. In the case of an intermittent problem such as a loose wiring connection, the con-
troller
may
be able to recover and operate normally for a while, but the problem should be repaired before
placing the vehicle in service.
Depending on the type of fault, the controller will attempt to recover immediately after the condition clears or
after the accelerator pedal has been cycled (released and pressed again).
CONTROLLER
FAULT
CONTROLLER
RESPONSE
HW FAILSAFE
A, B, C
THROTTLE FAULT 1
A
SPEED SENSOR
D
MAIN WELDED
D
MAIN DRIVER ON
D
MAIN DRIVER OFF
A, C
MAIN CONT DNC
B
MAIN COIL FAULT
A
FIELD MISSING
A, B, C
HPD
A
PROC/WIRING
A
OVERVOLTAGE
A, B, G
LOW BATTERY
E
THERMAL CUTBACK
E
MOTOR STALL
F
MAIN DROPOUT
A, C
OPEN ARMATURE
A
MAX PASSWORD TRIES
(no action taken)
INCORRECT PASSWORD
(no action taken)
CONTROLLER
FAULT
CONTROLLER ATTEMPTS
TO RECOVER
HW FAILSAFE
When key switch is cycled
THROTTLE FAULT 1
When condition clears
SPEED SENSOR
When condition clears
MAIN WELDED
When condition clears
MAIN DRIVER ON
When condition clears
Summary of Contents for IQDM
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