Oki C7500n Maintenance Manual page 125
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Also See for C7500n:
- User manual (485 pages) ,
- Configuration manual (78 pages) ,
- Reference manual (44 pages)
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6 Motor fan error
•
Does the low-voltage power fan rotate at power ON?
•
No
Is 34V being output to the fuse F7 of the engine board K7N, or to the fuse F3 of the engine
board K7V?
•
No
Is 34V output to the power connector on the engine board (K7N/K7V PWB)?
34V: Pin 12, 13, 14
No
Check the cable connections, then replace the low-voltage power unit.
M
•
Yes Replace the engine board.
M
•
Yes Was the low-voltage power board replaced?
•
Yes End.
M
•
No
Replace the low-voltage power board.
M
•
Yes
Does the engine board fan rotate at power ON?
•
No
IIs 34V being output to the fuse F7 of the engine board K7N, or to the fuse F3 of the engine
board K7V?
•
No
Is 34V output to the power connector on the engine board (K7N/K7V PWB)?
34V: Pin 12, 13, 14
No
Check the cable connections, then replace the low-voltage power unit.
M
•
Yes Replace the engine board.
M
•
Yes Replace the engine board fan.
M
•
Yes
End.
41955801TH Rev.8
Oki Data CONFIDENTIAL
125 /
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Troubleshooting
