OUTPUT 4 of my 6627A is always in UNR state, even without load.
When I switch the PSU on, I read 0,35 V on OUTOPUT4, while OUT1, 2 and 3 are at 0V.
Does anyone know the reason why?
What could I do to fix?
Tank you in advance
If the problem persists, please send the faulty units to the closest Keysight Service Center for repair.
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