Danfoss VLT FCM106, FCP 106 & FCM300 DriveMotor
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Feb 29, 2024 11:48 am
Cause : DC under voltage comes when the intermediate circuit voltage (DC) drops below the inverter lower voltage limit the FCM 300 will trip after 3 - 28 sec., depending on unit.
- Check that the supply voltage matches the frequency converter voltage.
- Perform an input voltage test.