Expansion Shelf Power Down - Panasonic KX-T336 System Reference Manual

3.06 Expansion shelf power down ( DC )
Error Code
050n
Possible cause of
the malfunction
Countermeasures
Note
n = 1 : Expansion Shelf 1
2 : Expansion Shelf 2
1) Power switch of the Expansion Shelf n (n=l or 2) is turned off.
2) Malfunction of Power Supply Unit of the Expansion Shelf, or trouble with the
Power Supply System(Backbcard, CPU card) of the shelf
No
Did the above item 1) occur at the
recorded time of the Error Log ?
Yes
Yes
Is a new error recorded in the Error
Log, when the RESET button is
pressed ?
,No
Does the trouble occur frequently ?
No
1 Yes
Y
Replace the Power Supply Unit
No change in
'CK
condition
Y
Replace the CPU card*
I
No change in
OK
condition
Y
I
Repiace-the Expansion Shelf
c
Y
I End
I
l
It is recommended to have a current copy of the program on disk or tape to
facilitate accurate and rapid recovery.
14-E-9