+---------------------------------------------------------------+
End of procedure.
75. Set the 3514 Power switch to the Off position.
76. Install power module C in the 3514 using the screw and power module
removed in a previous step.
77. Exchange the parts (indicated in the following table) one at a time,
starting with the part that has the highest percent of probable cause,
until the problem is corrected.
+--------------------------------------------------------------------+
¦ Location ¦ Probable Cause ¦ Description ¦
+----------------------+----------------------+----------------------¦
¦ F1, F2 ¦ 50% ¦ Fan ¦
+----------------------+----------------------+----------------------¦
¦ F ¦ 30% ¦ Connector panel ¦
+----------------------+----------------------+----------------------¦
¦ ¦ ¦ Disk drive power ¦
¦ 1-8 ¦ 20% ¦ cable ¦
+--------------------------------------------------------------------¦
¦ Note: See the "Failing Item Table" in topic 3.3 for the correct ¦
¦ part number for a specific FRU part. ¦
+--------------------------------------------------------------------+
End of procedure.
78. A multiple power module failure occurred.
Set the 3514 Power switch to the Off position.
79. 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 23
80. Install a new power module in position A using the screw removed in a
previous step.
81. Set the 3514 Power switch to the On position.
82. Within 30 seconds, is ****C990 displayed in the 3514 Data display.
Yes No
Go to step 89.
83. Set the 3514 Power switch to the Off position.
84. Remove the screw that fastens power module B to the guide and remove
power module B.
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) ¦
+--------------------------------------------------------------------+
85. Install a new power module in position B using the screw removed in a
previous step.
86. Set the 3514 Power switch to the On position.
Within 30 seconds, is ****C990 displayed in the 3514 Data display.
Yes No
Go to step 89.
87. Set the 3514 Power switch to the Off position.
3514 Service Information
Analyzing DC Power Problems
¦ Copyright IBM Corp. 1992, 1993
1.6 - 8