![](/images/new-backgrounds/1196311/19631141x1.webp)
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| MFD |
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Error number and | Number | controller | LED pattern |
| Action | ||
description | of beeps | card | (on= | , off= | ) | ||
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| generation |
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Error: 24 - Serial port failure | 2 | 1st |
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| Problem with TTY/Serial | |
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| Port. Replace the MFD | |
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| controller card. |
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| 2nd |
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Error: 28 - Problem with the | 2 | 1st | Replace the MFD |
CPU |
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| controller card. |
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| 2nd |
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Error: 31 - No hard drive | 3 | 1st | Check connections to |
found. |
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| the hard disk drive and |
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| associated cables for |
Note: Error message not |
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| continuity. Check power |
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| going to the hard disk | |
displayed. Only beep code |
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| drive. Replace the |
and LED patterns are |
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| power distribution card |
generated for error 31. |
| 2nd | if no power is present. If |
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| power is present, | |
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| replace the hard disk |
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| drive. |
Error: 32 - Corrupt hard | 3 | 1st | Replace or reformat the |
disk drive |
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| hard disk drive. See |
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| “Hard disk drive |
Note: Error message not |
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| refresh” on page |
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displayed. Only beep code |
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and LED patterns are |
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generated for error 32. |
| 2nd |
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Error: 34 - Hard Drive failure | 3 | 1st | There was an error |
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| writing to the hard disk |
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| drive. Replace or |
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| reformat the hard disk |
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| drive. See “Hard disk |
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| drive refresh” on |
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| page |
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| 2nd |
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Problem Solving