Panasonic KX-TD500 Installation Manual page 248

Expansion shelf DC power down
Error Code 1102 : Expansion Shelf 1 DC power down
1103 : Expansion Shelf 2 DC power down
1.
Possible cause of
the malfunction
2.
Countermeasures
No change in
No change in
Note *It is recommended to have a current copy of the program on disk to facilitate
accurate and rapid recovery.
Troubleshooting
Power switch of the Expansion Shelf n (n=1 or 2) is turned off.
Malfunction of Power Supply Unit of the Expansion Shelf, or trouble with the
Power Supply System(Backboard, CPU card) of the shelf
Did the above item 1) occur at the
recorded time of the Error Log ?
No
Is there a new error recorded in
the Error Log, when the RESET
button is pressed ?
Yes
Does the trouble occur frequently ?
Replace the Power Supply Unit.
condition
Replace the CPU card*.
condition
Replace the Expansion Shelf.
No
Yes
End
5.2 Troubleshooting Guide
Yes
No
OK
OK
249