Kelly KBS-X Brushless Motor Controller User
’s Manual
V 4.2
21
Caution:
•
Make certain that the motor is disconnected before trying to run the Configuration
Software!
•
Configuration software will be regularly updated and published on the website. Please
Update your Configuration Software regularly. You must uninstall the older version
before updating.
•
When setting "Hall Sensor Type" in GUI, do not use "Auto-Check". This has been
deleted from the newer configuration software versions.
Table 1: LED CODES
Green LED Codes
LED Code
Explanation
Solution
Green Off
No power or
switched off
1. Check if all wires are correct.
2. Check fuse and power supply.
Green On
Normal operation
That‟s great! You got solution!
Green & Red are both
On
1. Software needs upgrading.
2. Supply voltage too low or battery too high
3. The controller is damaged. Contact Kelly about a
warranty repair.
Red LED Codes
LED Code
Explanation
Solution
1,2
¤ ¤¤
Over voltage error
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.
1,3
¤ ¤¤¤
Low voltage error
1. The controller will clear after 5 seconds if battery
volts returns to normal.
2. Check battery volts & recharge if required.
1,4
¤ ¤¤¤¤
Over temperature
warning
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.
2,1
¤¤ ¤
Motor did not start
Motor did not reach 25 electrical RPM within 2
seconds of start-up. Hall sensor or phase wiring
problem.
2,2
¤¤ ¤¤
Internal volts fault
1. Measure that B+ & PWR are correct when
measured to B- or RTN.
2. There may be excessive load on the +5V supply
caused by too low a value of Regen or throttle
