External Announcement Is Not Available - Samsung OFFICESERV 7100 Service Manual

3.1.8 External Announcement is not Available

The procedure for resolving the problem that occurs when external announcement is not
available is as follows:
Start
Is a call
connected properly?
(Check the time switch
operation)
Yes
Does
the source set to MMC 309
perform properly?
Yes
Replace MP10/11 board.
© SAMSUNG Electronics Co., Ltd.
No
Repair the time switch.
No
Check the MMC setting.
OfficeServ 7100 Service Manual
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