Article 4.8.1.17S : ACCL is not showing display and at EB incoming terminal of ACCL is not show the actual voltage in meter as if disconnected and check.
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 ...