Power derating caused by too high a temperature

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The inverter's internal temperature has exceeded safe operating limits, causing it to automatically reduce its output power (power derating) to prevent damage. A warning message is displayed.

• Restricted airflow due to dust accumulation in cooling air openings or on the heat sink
• High ambient temperatures exceeding the inverter's operating range
• Malfunctioning cooling fan or temperature sensor

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1. 1

   If necessary, purge cooling air openings and the heat sink to restore proper airflow.

2. 2

   The fault is rectified automatically once the temperature decreases.

3. 3

   If this status code keeps recurring, contact your system engineer for inspection of the cooling system.