controller is damaged.
Contact Kelly about a
warranty repair
1. Battery voltage is too high for the
controller. Check battery volts and
configuration. 2. Regeneration over-
voltage. Controller will have cut back or
stopped regen. 3. This only accurate to ±
2% upon Overvoltage setting
1. The controller will clear after 5 seconds
if battery volts returns to normal. 2. Check
battery volts & recharge if required.
1. Controller case temperature is above
90℃. Current will be limited. Reduce
controller loading or switch Off until
controller cools down. 2. Clean or improve
heatsink or fan.
Motor did not reach 25 electrical RPM
within 2 seconds of start-up. Hall sensor or
phase wiring problem.
The controller temperature has exceeded
100℃. The controller will be stopped but
will restart when temperature falls below
80℃
Throttle error at power up
Throttle signal is higher than the preset
‘dead zone’ at Power On. Fault clears
when throttle is released
May be caused by over-voltage, bad motor
intermittent earthing problem, bad
wiring, etc.
May be caused by some transient fault
condition like a temporary over-current,
momentarily high or low battery voltage.
This can happen during normal operation.
Hall throttle is open or short-
circuit
When the throttle is repaired, a restart
will clear the fault
Non-zero throttle on direction
change
Controller won’t allow a direction change
unless the throttle or speed is at zero.
Fault clears when throttle is released.
Regen or Start-up over-voltage
Motor drive is disabled if an over-voltage
is detected at start-up or during regen.
The voltage threshold detection level is
set during configuration.
1. Incorrect or loose wiring or a damaged
hall sensor. 2. Also be caused by incorrect
hall angle configuration (60 degree or 120
degree)
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