Panasonic KX-TD500 Installation Manual page 283

(4) Expansion shelf DC power down
Error Code
Possible cause of
the malfunction
Countermeasures
Note
Troubleshooting
1102 : Expansion Shelf 1 DC power down
1103 : Expansion Shelf 2 DC power down
1.
Power switch of the Expansion Shelf n (n=1 or 2) is turned off.
2.
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.
No change in
condition
No change in
condition
Replace the Expansion Shelf.
*It is recommended to have a current copy of the programme on disk to
facilitate accurate and rapid recovery.
No
Yes
Replace the CPU card.*
End
5.2 Troubleshooting Guide
Yes
No
OK
OK
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