Samsung SF3000 Service Manual page 58

Troubleshooting
7-9. Malfunction in Automatic Receiving
Y N
Call the machine
START
Auto answer ?
Receive data ?
from another phone
N Y
END
See chart 7-7
Check Tx/Rx signal
Check the
Y
from P1-7 to P1-9 in
Normal ?
telephone line
the main b'd
N
N
Notify to customer Replace the
Normal ?
LIU b'd
Y
Replace the
main b'd
END
Samsung Electronics 7-13