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 IC4 and TEL network
with the base to make bellcircuit.
signal, is there pulse wave at
pin 4 of IC4?
OK
Is there pulse wave atNG
pin 3 of IC2?Check R58 and R59.
OK
Check IC2 and its
peripheral circuit.
Deletion of the Caller ID memory
To delete the Caller ID memory in the EEPROM, 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 after about 8 seconds, 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.)
13 |