Panasonic KX-TD500 System Reference Manual page 1440

3.19 Card disconnect
Error Code
Possible cause of
the malfunction
Countermeasures
Note
13xx
xx= 00 : TSW
01 to 40 : Slot number
1) Card connection error
2) Defective CPU card
TSW
After confirming the TSW card
connection, press the RESET button
Is there a new related message in
Yes
Faulty
OK
LPR
After confirming the TSW card
OK
connection, enter the card INS
command from the maintenance
terminal
NG
After replacing the LPR card, enter
the card INS command again
NG
After replacing the CPU card, turn*
on the POWER switch
Faulty
* It is recommended to have a current copy of the program on disk or tape to
facilitate accurate and rapid recovery.
the Error Log
After replacing CPU card,*
turn on the POWER switch
Replace the Shelf
End
Replace the Shelf
End
15-E-22
No
INS
OK
OK
INS