Issue: The ACCL is not having a display and when the incoming supply at ACCL EB terminal checked with multimeter not getting the proper voltage and coming 8.0 V R Phase to neutral, Y & N is 440, B & N is 440. Also checked at the incoming 4 pole MCB ...
Please find the attached video herewith. At Incoming EB power supply is healthy but ACCL not sensing it and transferred to DG. As there is no DG incoming supply ACCL shows the voltage error and not giving output. If this error comes at DG incoming ...