RiTTO TWINBUS, System Manual

Page: 184 / 197

Service
Service speech
184
4.2 Service indicators
TwinBus power supply unit 1 7573
Verrano glass door station
Indicator Meaning
LED 1 (yellow) flashes
„
The door opener operating time is set (LED flashes every second when door
opening time is being set).
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 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 enabled.
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.
Indicator Meaning
LED 1 illuminates
in speech operation
„
Indicates an active speech connection.
LED 1 illuminates
for inactive speech operation
„
The LED indicates that the connections at terminal 1 and terminal 2 are
swapped.
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