**ADIC / Sun Confidential**
Sun_StorEdge_L7_Decision_Tree_Rev01_
Sun StorEdge L7 Decision Tree
1.0 LCD Blank
A blank LCD indicates a hardware problem with the LCD, cabling problems within the StorEdge L7 or power
supply problems.
DP1:
Check the green Power LED on the front panel of the StorEdge L7 to see if it is illuminated. Refer to
Sun StorEdge L7 User’s Guide -> Introduction -> Switches and Indicators -> Front Panel for the location of
green Power LED.
R1:
Green Power LED is not illuminated.
DP2:
Check to see if the autoloader fan is spinning.
R2:
Fan is not spinning.
DP3:
Check the AC power cord for proper connection.
R3:
AC power cord is properly connected.
A3:
Press the POWER button on the front panel of the StorEdge L7.
DP4:
Check to see if the LCD is still blank.
R4:
LCD is still blank.
DP5:
Try a different AC power cord.
R5:
Second cord works.
A5:
Replace the failing power cord.
R5:
Second cord does not work.
R5:
Replace the autoloader.
R4:
LCD is no longer blank.
A4:
Continue normal autoloader operation.
R3:
AC power cord is not properly connected.
A3:
Reseat the AC power cord.
A3:
Press the POWER button on the front panel of the StorEdge L7.
R2:
Fan is spinning.
A2:
Replace the autoloader.
R1:
Green Power LED is illuminated.
A1:
Replace the autoloader.
Legend:
DP = Decision Point
R= Response
A= Action
