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MITSUBISHI
ELECTRIC
9700 SERIES UPS
OWNERS / TECHNICAL MANUAL
Page Number:
2-2
MITSUBISHI ELECTRIC 9700 SERIES UPS
2.1 LED Display
1) Load on inverter (green)
Turned on when power is supplied from inverter to the critical load.
(Indicates the state of transfer switch "52C" of inverter.)
2) Battery operation (yellow)
Turned on when the battery is operating following an AC power failure..
3) Load on bypass (yellow)
Turned on when power is supplied through bypass to load devices.
(Indicates the state of transfer switch "52S" of bypass.)
4) Overload(yellow)
Turned on when an overload has occurred to the system.
5) LCD failure [ LCD FAIL ](red)
Turned on when an error occurs on the LCD.
6) UPS failure [ UPS FAIL ](red) [Annunciator: intermittent or constant tones]
Turned on when an error occurs on the system. In this case, the details of error are
indicated on the display panel.