HV ELECTRICAL SYSTEM_MR & LR 20 ALARM LIST FOR WMU Alarms Reason LED Indication EPO Pressed Emergency button pressed by someone. Solid Red + Alarm NE Voltage High Neutral Earth voltage comes more than 10V or False read by charger or Phase-neutral terminal interchange. Blinking – Type 2 Red for 500 msec Earth Fault Earth Wire not connected/Phase- neutral terminal interchange Solid Red + Alarm RFID Comm Fail RFID Card stops communicating with the main Board or Energy meter not connected or energy meter addressing not done. Blinking – Type 1 Red for 1 Sec Earth Leakage Internally current leakage to earth or false reading CT damage or circuitry issue. Solid Red + Alarm O/P Current High When the load current increases from 32-35 A Blinking – Type 1 Red For 1 Sec Mains Fail When the input voltage is not in its limit. Blinking – Type 1 Red For 1 Sec Mains Low When the input voltage is less than 150V Blinking – Type 1 Red For 1 Sec Mains high When the input voltage is greater than 270V. Blinking – Type 1 Red For 1 Sec
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