Response To Ups Failure - Mitsubishi Electric 9900B Series Owner Technical Manual

MITSUBISHI
ELECTRIC

4.0 RESPONSE TO UPS FAILURE

UPS FAULT
Annunciator Silence
Recording of Fault
Primary Action
Information to Service Center
NOTE:
The error code indicated on the LCD display panel when a UPS alarms is
very important.
In order to reduce repair time, please include all error codes on the LCD
screen and the operation and load status in all correspondence to the
Mitsubishi Electric field service group.
9900B SERIES UPS
OWNERS / TECHNICAL MANUAL
Press "SILENCE ALARM" icon on Main Menu.
Refer to the list of fault codes in Section 6.0 for error
description.
Take necessary action according to display guidance.
When faults happen, contact the Authorized Mitsubishi
Electric Service Representatives or call Mitsubishi Electric
at 1-800-887-7830.
MITSUBISHI ELECTRIC 9900B SERIES UPS
Page Number:
4-1