RITTO GmbH & Co. KG
Rodenbacher Straße 15
D-35708 Haiger/Germany
Phone +49(0)2773/812-0
Fax
+49(0)2773/812-999
www.ritto.de • [email protected]
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Copyright © 2007
by R
ITTO GmbH & Co.
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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 ope-
ning 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.
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