Panasonic KX-TD500, Installation Manual

Page: 285 / 316

Troubleshooting
Installation Manual 285
(1) System Reset caused by CPU Runaway (Re-start Procedure)
Error Code 1000: Hard WDT overflow
1001: Illegal interrupt
1002: Soft WDT overflow
Possible cause of
the malfunction 1.
External circumstance, such as induction noise
2.
Hardware is defective.
3.
The CPR software is terminated by executing illegal instruction.
4.
The CPR software is terminated by executing infinite loop.
Countermeasures
Note *It is recommended to have a current copy of the program on disk to
facilitate accurate and rapid recovery.
Does the trouble occur frequently?
Replace the CPU card.
*
Replace the TSW card.
Remove the LPR cards one by one.
Replace the Shelf.
Consult the Service Center.
End
No
OK
OK
OK
OK
Yes
No change in
condition
No change in
condition
No change in
condition
No change in
condition
Re-program the system programming data.
OK
No change in
condition