Schneider Easy Altivar ATV610 / ATV310, Altivar ATV950, ATV31C & ATV Solar Drive
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Jul 24, 2024 9:28 am
Cause: AI3 Thermal Detected Error comes when the thermal sensor monitoring function has detected a high temperature error on analog input AI3.
"tH3F" fault in Schneider ATV950 drive indicate "AI3 Thermal Detected error". This means a problem with an analog input (AI3) and its associated temperature sensor (Th).
Troubleshooting Steps:
- Check Sensor and Wiring: Inspect the temperature sensor and its wiring for any damage or loose connections.
- Verify Sensor Functionality: Use a multimeter to check the sensor's output voltage.
- Review Drive Configuration: Ensure the AI3 input is configured correctly for the type of sensor and its range.
- Isolate Interference: Check for potential sources of electromagnetic interference.
