phase problem
Hi,
what can one do if the voltage coming from yellow phase at times drops to 180v while the red and blue are 220.I need help since this make my UPS keeping changing from mains to battery and vice versa
what can one do if the voltage coming from yellow phase at times drops to 180v while the red and blue are 220.I need help since this make my UPS keeping changing from mains to battery and vice versa
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