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MicroDC UPS rectifier fault

Publication Date:  2015-12-31 Views:  131 Downloads:  0
Issue Description

UPS contineous beeping and showing the critical alert message : ID: 0040-04,

UPS was not coming on normal mode/ always coming on bypass mode, even if manually start the UPS it fault and shutdown the UPS immeditalty & bypass the main voltage to load.


Alarm Information

we observed the below alarm in the system

Critical Alarm ID : 0040-04

Minor Alarm ID : 0010-02




Handling Process

check the conection between the PDU / UPS

check the connection between the Battery to UPS

check the connection from main input to UPS


Root Cause

we observed that UPS inerconnection were wrongly connected


Solution

we correctly connected the UPS input and out put cables,

Problem solved after the crrect connection done

Suggestions

check the conection between the PDU / UPS

check the connection between the Battery to UPS

check the connection from main input to UPS


END