1. Check if the telephone line is
connected correctly.
If you cannot catch the OHD
CLICK sound, the OPE Ass'y may
be defective. Try to replace the
OPE Ass'y.
If you can catch a CLICK sound,
after checking the connection of
HARNESS between the LIU and
the Main PBA, try to replace the
HARNESS.
2. Wile the BUTTON KEY is
pressed, check to catch
a CLICK sound.
3. Check the connection of
HARNESS between the
LIU and the Main PBA.
The problem still persists, then
replace the LIU and the main B'd
in sequence.
Notes: Product supports the MF
DIAL type only.
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