Thermal overload of output stage or internal unit fault

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The output stage of the inverter or an internal unit component has experienced a thermal overload. This could be due to inadequate cooling, high ambient temperatures, or excessive load, potentially indicating an internal fault.

• Blocked or dirty heat sink, impeding heat dissipation.
• High ambient temperature surrounding the unit.
• Insufficient ventilation or heat accumulation around the drive.
• Excessive load on the drive system.

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1. 1

   Clean the heat sink to ensure proper airflow and heat dissipation.

2. 2

   Reduce the ambient temperature in the vicinity of the unit.

3. 3

   Ensure adequate spacing and ventilation to prevent heat accumulation around the unit.

4. 4

   Reduce the mechanical or electrical load on the drive.

5. 5

   Reset the fault by switching off the 24VDC supply voltage or using MOVILINK.