Table of Contents
Advertisement
1. The bell does not ring.
When the PAGE SW of the
base is pressed, does the
ringer on the handset ring?
OK
When the TEL SG is joined
with the base to make bell
signal, is there pulse wave at
Pin 4 of IC3?
OK
Is there pulse wave at
Pin 21 of IC6?
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
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.)
TROUBLESHOOTING HINTS
NG
See 2. The bell does not ring
& page does not ring.
NG
Check IC3 and TEL network
circuit.
NG
Check R133, R134 and
C131.
and # buttons, and keep pressing the buttons continuously for
— 13 —
Advertisement
Table of Contents
