User manual

Entravox complete package

Service indicators

TwinBus power supply unit 1 7573

Indicator Meaning

LED 1 (yellow) flashes

• The door opener operating time is set (LED flashes every

second when door opening time is being set) or the mode

used for programming switching commands is active.

LED 2 (red) is lit Indicates transmission of bus commands, e.g.:

• handset has been picked up or replaced.

• Doorbell is pressed.

• Door opener or button in operation.

• Internal call or switching command will be initiated.

LED 2 (red) flashes

• Start-up has been activated via the apartment button.

LED 3 (green) illuminates

• Adjustment protection is activated.

LED 4 (red) illuminates

• Overload or short circuit on the system bus.

LED 5 (green) illuminates

• Door communication is activated

LED 6 (yellow) illuminates

• Direct current indicator (bus voltage)

LED 7 (yellow) illuminates

• Alternating current indicator (door opener)

LED 8 (red) illuminates

• Door opener relay has switched.

Entravox_Komplettpaket_8411_de.book Seite 29 Donnerstag, 5. Juni 2008 12:44 12