Download Votol Software ((link)) Jun 2026
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Navigate to the motor settings tab and toggle the Direction Exchange or Exchange Phase checkbox, then click Write . Safety and Optimization Best Practices
Before downloading software, check your controller label. You are likely looking for one of these: Download Votol Software
The TX and RX data wires on cheap aftermarket cables are frequently inverted. Try swapping the green and white data pins inside the programming cable plug.
Turn on your electric vehicle's ignition circuit to supply power to the controller's logic board. This public link is valid for 7 days
To successfully sync data without connection timeouts, follow this precise sequence:
: Click "Open" and then "Connect." The software should populate with data from the motor. Key Functions & Tips Parameter Management : Can’t copy the link right now
Improper physical hookups can burn out the communication port or trigger immediate short circuits.
This injects current to counteract the motor's back-EMF, allowing the motor to spin faster than its rated RPM. Warning: Excessive flux weakening generates immense heat and degrades efficiency. Increase this value in small increments (e.g., 500 to 1000 RPM jumps).
Before altering a single number, click Read , then click Save or Export to create a backup file of your factory parameter profile.
| Issue | Likely Cause | Solution | |-------|--------------|----------| | “Communication abnormal, no response” | Incorrect COM port, bad cable, or driver not installed | Check Device Manager for the proper COM port. Reinstall drivers and try a different USB port. | | Controller not saving changes | Corrupt software or MCU write failure | Uninstall the software, delete its registry entries, and reinstall. If that fails, the controller’s flash memory may be faulty. | | Windows does not see the CAN/USB cable | Driver missing or Windows update conflict | Install the correct chipset driver (Prolific / Silicon Labs). If the problem appeared after a Windows update, try rolling back the update or using an older PC with Windows 7/8.1. | | Controller “bricked” after firmware update | Interrupted write process | Search community forums for “unbrick” procedures; you may need a special recovery tool or a replacement controller. | | All values show zero on the display page | Controller not properly powered or e‑lock not enabled | Verify that the main battery is connected and that the grey/purple e‑lock wire receives at least 35V. |