Nidec ID300 - Troubleshooting: Motor Start Failure; Troubleshooting Motor Start Failures

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ID300/302 Integrated Motor Drive | Troubleshooting Guide
47
Incident Possible Cause Remedy
Motor does
not start
At no load
Mechanical seizing
Whenswitchedo󰀨:
• Check that rotation of the shaft is not locked.
Broken power supply line Check the fuses, electrical protection.
Thermal protection Check for motor OL .
On load
Phase Imbalance
Whenswitchedo󰀨:
• Check the resistance and continuity of the windings.
• Check the electrical protection.
Drive Check the settings.
Thermal protection Check for motor OL .