Step 1
(from Steps 3, 7, 8, 9, and 14)
1.Ensure that the diagnostics and the operating system are shut down.
2.Turn the key mode switch to the Service position.
3.Set the power switch on the system unit to Off.
4.Insert the first diagnostic diskette into the diskette drive.
5.Set the power switch on the system unit to On.
6.Find the symptom in the following table that best matches the symptom on your system, and then perform the associated task.
Information in |
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| Other conditions | Do this: |
play |
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Nothing | Diagnostic Operating Screen is displayed | Go to Step 14. |
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c07 | The diskette drive | Insert the next diagnostic |
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| diskette. |
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| Wait for one of the other |
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| symptoms in this table to |
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| occur. |
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888 flashing |
| Go to Step 2. |
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Two or more num- | First diagnostic diskette is loaded | Go to Step 7. |
bers between 221 |
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and 296 are dis- |
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played alternately. |
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c31 | Instructions to select the system console | Follow the instructions on |
| displayed on the screen. | the screen. Wait for one of |
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| the other symptoms in this |
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| table to occur. |
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c05 | The diskette drive | The diagnostic diskette is |
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| probably bad. Insert the |
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| same diskette from a du- |
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| plicate diagnostic set. If |
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| the duplicate diskette |
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| causes the same symp- |
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| tom, Go to Step 7. |
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299 or less | Digits on solid for more than 3 minutes, | Go to Step 2. |
| and the power light is on. |
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300 or greater | Digits on solid for more than 3 minutes, | Go to Step 7. |
| and the power light is on. |
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570 | Digits on solid for more than 3 minutes, | Down level |
| and the power light is on. | Run diagnostics with re- |
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| movable media. |
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Any symptom not listed above. | Go to Step 2. | |
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