Nidec & Control Techniques Commander S, SE, SX, SK & SP Drive
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Apr 06, 2024 5:15 am
Cause : Power module rectifier over temperature or input snubber resistor over temperature (size 4 and above) comes when the temperature of the power unit heat sink has exceeded the permissible limit.
- Check enclosure / drive fans are still functioning correctly.
- Check enclosure ventilation paths.
- Check enclosure door filters.
- Increase ventilation.
- Decrease acceleration / deceleration rates.
