Troubleshooting Guide; Operation Check Of The Door Station - Panasonic VL-SV75 Series Service Manual

9 Troubleshooting Guide
9.1 Operation Check of the Door Station
START
Advance preparation:
Connect the Door Station to nondefective
Main Monitor Station.
Call from the Door Station.
Is the image displayed?
YES
Is it possible to respond from
the main monitor station?
YES
Is the conversation
available after the response from
the Main Monitor Station?
YES
D
NO
sound from the Main Monitor Station?
NO
Is it possible to respond from
the main monitor station?
9.2.7 Defect of Key
bord unit
NO
available after the response from
B
the Main Monitor Station?
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Does the ringtone
YES
YES
Is the conversation
YES
C
NO
A
NO
9.2.7 Defect of Key
bord unit
NO
B