TROUBLESHOOTING HINTS
1. The bell does not ring.
When the PAGE SW of theNGSee 2. The bell does not ring
base is pressed, does the& page does not ring.
ringer on the handset ring?
OK
When the TEL SG is joinedNGCheck IC3 and TEL network
with the base to make bellcircuit.
signal, is there pulse wave at
Pin 4 of IC3?
OK
Is there pulse wave atNGCheck R133, R134 and
Pin 21 of IC6?C131.
OK
Check IC6 and its
peripheral circuit.
Deletion of the Caller ID memory
To delete the Caller ID memory in the RAM, proceed with the following process:
1) Connect the battery with pressing and # buttons, and keep pressing the buttons continuously for
approximate 2 seconds.
2) Release buttons when entering TEST mode with beep.
3) Press CID button.
4) A confirmation beep will sound, then the data for caller ID is deleted.
(Note: Do not disconnect the battery until you hear the confirmation beep, otherwise the data may not be
completely deleted.)
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ACEC
