Nidec & Control Techniques Unidrive M700, M600, M400, HS30 & HS70 Drive
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Apr 13, 2024 6:42 am
Cause : User 24 V supply is not present on control terminals (1,2) comes when a User 24 V trip is initiated, if User Supply Select (Pr 06.072) is set to 1 or Low Under Voltage Threshold Select (06.067) = 1 or Backup Supply Mode Enable (06.068) = 1 and no user 24 V supply is present on control terminals 1 and 2.
- Ensure the user 24 V supply is present on control terminals 1 (0V) and 2 (24V).
