Panasonic KX-TD500 System Reference Manual page 1437

3.16 Card link failure (LPR)
Error Code
Possible cause of
the malfunction
Countermeasures
Note
10xx
xx= 01 to 40 : Slot number
1) Defective FIFO (First In First Out) trouble with a card.
2) Input/Output trouble (CPU card, Shelf).
Check the status of the
associated card
OK
Enter card test command from
the maintenance terminal
Faulty
Replace the faulty LPR card
Enter card test command from
the maintenance terminal
Faulty
Replace the CPU card*
Enter card test command from
the maintenance terminal
Faulty
Replace the Shelf
* It is recommended to have a current copy of the program on disk or tape to
facilitate accurate and rapid recovery.
01 to 12
13 to 26
27 to 40
Faulty
End
15-E-19
Basic Shelf
Expansion Shelf 1
Expansion Shelf 2
OK
OK
OK
Enter INS command from the
maintenance terminal