Nidec & Control Techniques Commander S, SE, SX, SK & SP Drive
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Apr 05, 2024 10:16 am
Cause : Power circuit thermistor 2 or 3 fault/internal fan fault (size 3 only)- This indicate fatal problems and cannot be reset. The drive is inactive after this trips and the display shows HF28.
- The serial communications is inactive and the parameters cannot be accessed.