Appendices

Appendix A

Front Control Panel Display Definitions1"Rectifier/charger" light

light off: rectifier/charger OFF.

light shines green: rectifier/charger ON.

light shines red: rectifier/charger fault, the stored alarm indicates one or several of the following faults:

-input circuit breaker Q1 open,

-protection fuse at the rectifier/charger input (FUE) blown,

-abnormally high internal rectifier/charger temperature,

-abnormally high battery charge current,

-abnormally high battery voltage,

-fault, non-calibration or non-personalization of the electronic control board for the rectifier/charger,

-fault on the electronic power-supply board,

-abnormally high temperature in the harmonic filter inductor.

2

3

"Battery light"

light off: battery float charging.

light flashing green: battery recharging.

light shines green: load on battery power.

light flashing red: low-battery shutdown warning.

light shines red: battery at end of backup time and circuit breaker QF1 open, or battery fault.

"Static-bypass" light

light off: bypass AC source within specified tolerances and static bypass open.

light shines green: static bypass closed.

light shines red: the stored alarm indicates one or several of the following faults:

-bypass AC source voltage or frequency outside specified tolerances,

-static-bypass fault,

-abnormally high internal static-bypass temperature,

-static-bypass ventilation fault,

-power-supply fault for the static-bypass control function,

-fault on the electronic board controlling the transfer function,

-non-calibration or non-personalization of the electronic control board for the inverter,

-fault on the electronic power-supply board,

-fault on monitoring the "inverter ready" response channels (parallel UPS system).

86-133060-00 A00

Appendices

A — 1