I have one problem with my UPS
My UPS show text that unable to go into bypass. And fault light was on.
I take out the battery and supply 3 phase 400V with neutral, phase - Neutral voltage is 222-224V, 45-46HZ.
M states = 00 01 02 00000000 10000000 00000080 05
my input Voltage is as picture. I think that my source is on spec.
please help me
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