AEC IST5 Series, Service Manual

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2.11 User Panel
User panel consists of mimic diagram, LCD screen, EPO button and menu keys. The UPS can be
controlled via this panel.
1
Rectifier indicator LED
Flashes while the DC bus is ramping up. Illuminates when Rectifier works
2 AC/DC module (Rectifier)
3
Battery discharge LED
Illuminates on battery mode. Flashes when UPS is started up through
batteries.
4
Battery charge indicator LED
Illuminates while the batteries are charging.
5 Battery module
6 DC/AC module (Inverter)
7
Static Bypass Switch LED
Illuminates while the loads are fed through bypass line.
8
Inverter static switch indicator LED
Illuminates when the load is fed by the inverter
9 Alarm/Warning indicator LED
10-13 Menu keys
14
EPO (Emergency Power Off ) Button