Choke Overtemperature / PT100 Board Temperature Fault

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The temperature of the external input AC choke has exceeded 130°C (fault) or 110°C (warning), as measured by a PT100 thermistor, or the temperature limit values set for the PT100 board parameters have been exceeded. This indicates inadequate cooling for the choke or an issue with the PT100 measurement system.

• Choke or inductor temperature exceeding limits (P0320).
• Faulty PT100 temperature sensor on the board.
• Overload current causing choke overheating.

Klikk på steg for å spore fremgangen.

1. 1

   Check the cooling conditions for the input AC choke, ensuring adequate airflow or liquid cooling is provided and unimpeded.

2. 2

   Verify the power module loading to ensure it is within specified limits, as excessive load contributes to choke heating.

3. 3

   Check the signal wiring from the PT100 thermistor to the control unit for integrity and correct connections.

4. 4

   Review the temperature limit values configured for the PT100 board parameters to ensure they are appropriate.