
In Multi-apartment System
9
brightness; “Unlock Door” button represents add brightness.
Failure analysis and troubleshooting
Failure
Inspection object
Troubleshooting
Can not call & be
called
Check whether the connecti
on of indoor units’ power
lines is good
Connect the power lines
correctly to make the light’s
on
Not
ring
after
being called
Check the speaker, music
chip and peripheral circuit
Replace music chip
The
screen
doesn’t work
Check the control module
and circuit
Correctly connect the power
lines , or replace the other
indoor units
Can be called,
but cannot
Check whether microphone
is damaged or poor contact
Replace microphone
2.3 Distributor
Model: 4-ports Distributor
①
:
18V, connect to Power Supply (Red for positive electrode, black for
negative electrode)
Содержание PST-VDA-R2
Страница 1: ...Apartment video door phone 1...