Tsw Dtmf G./R. Failure - Panasonic KX-T336 System Reference Manual

3.34 TSW DTMF G./R. failure
Error Code FFFF
Possible cause of
the malfunction
1) DTMF Generator or Receiver for test is defective
Countermeasures
Note
Replace the TSW card
I
_. .
I
End 1
I
I
None
14-E-37