2WIRE F-116P User Manual

4-62

1. Check if the telephone 

line cord is connected to

TEL LINE correctly.

If the telephone cord is normal but 
there is no dial tone, then try to 
replace the LIU B'd.

If you cannot hear the OHD 
CLICK sound, the OPE Ass'y may 
be defective. Try to replace the 
OPE Ass'y.

2. Check if it makes CLICK 

sound while OHD key is pressed.

3. Check the connection of 

HARNESS between the

LIU and the Main B'd.

Check the Speaker connection, 
and try to replace it.

Lastly, try to replace the Main B'd.

4. Check if the SPEAKER 

is connected correctly.