IGBT temperature (hardware)

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The IGBT Inverter Bridge hardware overtemperature protection has detected an excessively high short-term overload current. This typically occurs under heavy transient loads or with incorrect motor sizing.

• Internal hardware fault detected in the IGBT temperature sensor or circuit.
• Overheating of the IGBT module detected by dedicated hardware monitoring.
• Faulty IGBT module reporting incorrect temperature.
• Wiring issue to the hardware temperature sensor.

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1. 1

   Check the motor loading and ensure it is within the frequency converter's capabilities.

2. 2

   Verify that the motor size is appropriate for the frequency converter's rating.