AT&T PC 6300 - Page 517

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MAINTENANCE
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ERROR NO.
PROBABLE CAUSE*
MODULE
2408
Data Pattern Test Failed
1. HDU Controller
2. HDU
2409
Funnel Test Failed
1. HDU Controller
2. HDU
2410 Aging Test Failed
1. HDU Controller
2. HDU
2411
Low-Level Format Test
Failed
1. HDU Controller
2. HDU
2412
Write and Verify Surface Failed
(determine Bad Block List)
1. HDU Controller
2. HDU
2430
Too Many Bad Blocks
1. HDU Controller
2. HDU
2431 Bad Block Determination
Test Failed
1. HDU Controller
2. HDU
2432
Track 00, 01, 02, or 03 Bad
1. HDU
* If the HDUs available disk space is less than the nominal value
(10 MBs for 10 Meg HDUs and 20 MBs for 20 Meg HDUs),
it should be replaced.
Figure 5-45. HDU Troubleshooting Chart (Sheet 2 of 2)
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5-139
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