6. 6. 6. The connection of the wires must be correct exactly, otherwise it
will affect the normal work of the whole system. The wrong connection of
the main wire may cause modules in all floors cann't code and ring. When
you come across this kind of problems,please separate the majority of
modules and debug one by one until finding out the failure.
7 7 7 . When the door station call indoor phones,and it sends two "di , di "
sound , that mean it cann't detect the indoor phone, If it sends three "di, di,
di " sound, that mean the wire of the indoor phone is short-circuits. When
the door station call all indoor phones,they are unnormal or no sound,then it
maybe the failure of main wire.
8. 8. 8. If the indoor phones don't work when it is picked up or hanged off;
the volume is too low or the indoor phones in higher floors cann't unlock
the gate etc.please check up that the section area of main line or branch line
is too slim or not.
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