PICTURE 284
7. Install the replacement power module in the 3514 using the screw
removed in the previous step.
8. Complete the Exchange Power Module command by entering the following
sequence on the control panel:
a. 9 PICTURE 285
Notes:
1) A power module quick status is displayed when the command is
complete.
2) All power modules are operating correctly when the power
module quick status display shows:
+-----------------+
¦ A B C ¦ All Power modules
+-----------------+ are operating
1 2 3 4 5 6 7 8 correctly.
3) If the 3514 detects an error during the 4 3 9 n command, a
return code is displayed.
To determine if further action is required, go to "Control
Panel Command Return Code Information" in topic 3.4.
+-----------------+
¦ 4 3 9 n x x ¦ Return Code x x
+-----------------+ on disk drive n.
1 2 3 4 5 6 7 8
b. Press the * (Home) key to clear the display and return it to ready
status (*000).
9. Attach the rear EMC shield.
Install and tighten screws 2 .
Tighten screw 1 .
PICTURE 286
10. Install the rear cover (see "Rear Cover Removal or Installation
Procedure" in topic 4.4).
11. Install the front cover (see "Front Cover Removal or Installation
Procedure" in topic 4.3).
End of procedure.
12. Ensure that the 3514 Power switch is set to the Off position.
13. Remove the rear cover (see "Rear Cover Removal or Installation
Procedure" in topic 4.4).
14. Warning: Before you proceed, use the ESD handling kit, IBM part
6428316 or similar.
Remove the rear EMC shield:
a. Loosen screw 1 .
b. Remove screws 2 .
PICTURE 287
15. Remove the screw that fastens the selected power module to the guide
and remove the power module.
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) ¦
+--------------------------------------------------------------------+
3514 Service Information
Power Module
¦ Copyright IBM Corp. 1992, 1993
4.5.5 - 2