
3.5.12.1 URC 71pF 73pF 76pF 7FpF 81pF 83pF 86pF 8FpF
p=1 through 8
A longitudinal redundancy check (LRC) error has occurred: Customer data
has been damaged.
Warning: Do not attempt to save data from the failing 3514.
To correct this problem, perform the following:
1. Set the 3514 Power switch to the Off position.
2. Disconnect the ac power cable from the rear of the 3514.
PICTURE 126
3. Remove the front cover (see "Front Cover Removal or Installation
Procedure" in topic 4.3).
4. Loosen the screw 1 and place the control panel in the service
position.
PICTURE 127
5. Remove the front EMC shield.
PICTURE 128
6. Warning: Use the ESD handling kit, IBM part 6428316. Attach the
ground lead to the frame of the 3514.
Disconnect all disk drive data cables from the controller card and
move them away from the card.
PICTURE 129
7. CAUTION:
The controller card contains a lithium battery. To avoid possible
explosion, do not burn, exchange, or charge the battery. Discard the
controller card as instructed by local regulations for lithium
batteries. (RSFTC228)
Remove the controller card from the 3514.
PICTURE 130
8. Install the replacement controller card.
9. Connect all four disk drive data cables to the controller card.
PICTURE 131
10.
Note: If the data cable is attached to another disk drive, hold the
connector in place with one hand while disconnecting the other
connector from the disk drive to be exchanged.
Disconnect the following cables from the disk drive to be exchanged as
indicated by the third character of the URC.
a. Disk drive data cable 1 .
b. Disk drive power cable 2 .
PICTURE 132
3514 Service Information
URC 71pF 73pF 76pF 7FpF 81pF 83pF 86pF 8FpF
¦ Copyright IBM Corp. 1992, 1993
3.5.12.1 - 1