Danfoss VLT 3000 Drive
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Feb 27, 2024 11:32 am
Cause : Reference faults comes when a fault to the analogue input signal (terminal 53 or 60) when a signal type with “live” zero” has been selected (4-20 mA, 1-5 V or 2-10 V). The warning is activated when the signal level is below half of the zero level (4 mA, 1 V or 2 V).
