Here is a link to the user guide for the 884:
http://ifirobotics.com/docs/ifi-v884...al-9-25-06.pdf
I agree with Al... It sounds like you have a short from the motor output side. I think that this can also happen if you have the brake set and you have the input side mixed up with the output side. The input side is where the PWM cable comes into the victor. Another idea is that something is shorted over the transistors under the cooling fan. Simply take off the fan and inspect each transistor for any metal shavings. I would look at all the other victors as well and compare it with this faulty one or replace the victor and see if a new one works. There are many combinations of things that could be going on.
The only diagnostic red blinking light on the victor would be after a failed calibration.
To calibrate follow the directions below.
Quote:
User Calibration:
1. Power ON the speed controller.
2. Press and hold the Cal button. After a moment, the
LED indicator on the Victor will begin alternating
between RED and GREEN to indicate a cal mode.
3. While continuing to hold the Cal button, move the
joystick to the maximum and minimum positions.
This can be done in any order and as many times as
desired.
4. While continuing to hold the Cal button, return the
joystick to center (neutral position).
5. Release the Cal button.
6. A flashing GREEN indicator confirms a successful
calibration.
7. A flashing RED indicator denotes an unsuccessful
calibration.
An unsuccessful calibration occurs when either:
a) Insufficient joystick travel was detected in forward
and/or reverse.
b) The trim tab is too far from center.
Resetting Calibration to Factory Pre-calibration:
1. Power OFF the speed controller.
2. Press and hold the Cal button.
3. While continuing to hold the Cal button, Power ON
the speed controller.
4. A flashing GREEN indicator denotes calibration is
reset. Release the Cal button.
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Hopefully this helps out...