Vex Robotics Falcon 500 User Manual page 51

217-6515-751
Falcon 500 Motor User Guide
1. Inadequate travel in either the forward or reverse direction. Repeat the calibration procedure
and move the joystick further forward and/or further reverse.
2. The joystick trim is not centered. Neutral cannot be extremely far from center.
Indication: No power output from the speed controller although the Status LEDs work.
Problem: Possible internal damage.
Possible Solutions:
If the Status LEDs on the Talon FX are operating properly and there is no output, the Talon FX may be
internally damaged. This condition is typically caused by a short circuit on the output or there has
been an over-current condition that caused a failure.
Check the following:
1. Ensure the Status LEDs are changing between ORANGE, RED, and GREEN with joystick
movement.
2. Disconnect the motor and check the output (M+ to M-) with a voltmeter. The meter should
read between +/- battery voltage with corresponding full range joystick movement. If the
Status LEDs are working properly and the outputs are not working properly, the speed
controller is probably damaged. The final test to determine if the Falcon 500 / Talon FX is
damaged is to replace it with another Falcon 500 / Talon FX that is known to function
properly.
CAUTION: PRIOR TO REPLACING A POTENTIALLY DAMAGED FALCON
500 / TALON FX, ENSURE THAT THE WIRES CONNECTED TO THE
OUTPUT ARE NOT SHORTED AND THE INPUT IS NOT REVERSED. ALSO,
VERIFY THAT THE TALON FX'S POWER LEADS ARE NOT SHORTED TO
THE CHASSIS OF THE ROBOT.
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Copyright 2019, VEX Robotics Inc.
2020-01-07
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