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Why does my Altivar drive have no display?

Published date: 28 January 2019

MyAltivar drive does not have a display?

Product Line:
All Altivar drives
Display doesn't light up
Measure the input voltages (phase to phase) at L1, L2 and L3
Measure the DC bus at PA+ and PC-
Measure the +24v and +10v supplies. Measure to COM, not ground.
If the DC bus is ok, then could be a problem with the Main Control board and/or the Power Board, of the drive.

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