13.2 Communication Trouble Alarm
If the unit sounds “DI DI” every 3secs, this means there is a communication trouble between
room stations. Please check the wiring and make sure the main unit is turned on. After
resolving the trouble, touch or to monitor or talk to a door station, the alarm will be
automaticall cancelled.
The unit is powered up.
The unit is in mute mode.
In standby mode, it means ringtone setup
In talk mode, it means unlock the door
The unit is in talk mode
“DI” at intervals, means room number coniction
“DI DI” at intervals, means communication trouble
“DU”, means the function performed is not allowed
Long “DI”, it means the unit is powering up
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