
Procedure" in topic 4.4).
52. Disconnect the power cable from the disk drive that is located in slot
1 of the 3514.
53. Set the 3514 Power switch to the On position.
Within 30 seconds, is ****C992 displayed in the 3514 Data display?
Yes No
Exchange the disk drive (see "Disk Drive" in topic 4.5.1).
+---------------------------------------------------------------+
¦ Location ¦ Description ¦
+--------------------+------------------------------------------¦
¦ 1-8 ¦ Disk drive assembly ¦
+---------------------------------------------------------------¦
¦ Note: See the "Failing Item Table" in topic 3.3 for the ¦
¦ correct part number for a specific FRU part. ¦
+---------------------------------------------------------------+
End of procedure.
54. Set the 3514 Power switch to the Off position.
55. Connect the power cable to the disk drive that you removed it from in
step 52.
56. Disconnect the power cable from the next disk drive (next slot above
the one that you just connected the power cable to in step 55).
57. Set the 3514 Power switch to the On position.
58. Within 30 seconds, is ****C992 displayed in the 3514 Data display?
Yes No
Exchange the disk drive (see "Disk Drive" in topic 4.5.1).
+---------------------------------------------------------------+
¦ Location ¦ Description ¦
+--------------------+------------------------------------------¦
¦ 1-8 ¦ Disk drive assembly ¦
+---------------------------------------------------------------¦
¦ Note: See the "Failing Item Table" in topic 3.3 for the ¦
¦ correct part number for a specific FRU part. ¦
+---------------------------------------------------------------+
End of procedure.
59. Have all the disk drives in the 3514 been tested as described in steps
54 through 58?
Yes No
Repeat steps 54 through 59.
60. Set the 3514 Power switch to the Off position.
61. Connect the power cable to the disk drive that you removed it from in
the previous step.
PICTURE 21
62. Remove the screw that fastens power module A to the guide and remove
power module A.
DANGER
+--------------------------------------------------------------------+
¦ Up to 240 V ac is present at the power module connectors when the ¦
¦ main power cord is connected to a power source. (RSFTD010) ¦
+--------------------------------------------------------------------+
PICTURE 22
3514 Service Information
Analyzing DC Power Problems
¦ Copyright IBM Corp. 1992, 1993
1.6 - 6