OM226142 rev C
23
4 USER INTERFACE (FRONT PANEL)
The front panel of the UPS, consisting of a double row alphanumeric display plus 5
function keys, allows the complete monitoring of the UPS status.
The mimic flow helps to understand the operating status of the UPS.
Picture 19 – Front panel
Picture 19 shows the mimic present on the display, with the names of the circuit
breakers/isolator switches of the UPS. Also the led's and blocks that comprise the UPS are
clearly identified.
LED 1 ⇒ Lit-up green = Mains present at the rectifier input.
Otherwise off.
LED 2 ⇒ Lit-up green = Emergency line present and phase
sequence correct.
Otherwise off.
LED 3 ⇒ Lit-up green = Rectifier feeding correctly.
Lit-up red = Rectifier output voltage out of tolerance.
LED 4 ⇒ Lit-up green = Battery OK.
Green flashing = Battery discharging or battery in test.
Orange flashing = BCB open.
Lit-up red = Battery test aborted.
LED 5 ⇒ Lit-up green = Inverter static switch closed.
Green flashing = Inverter output voltage out of tolerance
Otherwise off.
LED 6 ⇒ Lit-up orange = Emergency line static switch closed.
Otherwise off.
LED 7 ⇒ Lit-up green = Voltage present on the load.
Lit-up orange = OCB circuit breaker open.
LED 8 ⇒ Lit-up orange = Manual by-pass closed. Otherwise off.
LED 9 ⇒ Lit-up red = EPO push-button pressed
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