{"id":16053,"date":"2019-10-15T12:27:03","date_gmt":"2019-10-15T12:27:03","guid":{"rendered":"http:\/\/localhost\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=16053"},"modified":"2023-12-18T16:17:20","modified_gmt":"2023-12-18T16:17:20","slug":"c5304-bizhub-c554-c454","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c5304-bizhub-c554-c454","title":{"rendered":"C5304 (bizhub C554\/C454)"},"content":{"rendered":"\n

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.<\/strong><\/p>\n\n\n\n

\n\nContents<\/p>\n\n\n\n
Trouble type<\/td>Fusing power supply cooling fan’s failure to turn <bizhub C554><\/td><\/tr>
Trouble code<\/td>C5304<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Detection timing<\/td><bizhub C554>
The fan lock signal remains HIGH for a predetermined continuous period of time while the fan remains stationary.<\/td>		<\/td><\/tr>
Trouble isolation<\/td>–<\/td><\/tr>
Relevant electrical parts<\/td>-Fusing power supply cooling fan (FM12)
-Expansion control board (EXCB)
-Printer control board (PRCB)<\/td><\/tr><\/tbody><\/table>\n\n\n\n

(2)Procedure<\/p>\n\n\n\n
Step<\/td>Action<\/td>Control signal<\/td>Location of electrical components<\/td><\/tr><\/thead>
1<\/td>Check the connector between FM12-EXCB CN6 for proper connection and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
2<\/td>Check the fan for possible overload and correct as necessary.<\/td>–<\/td>–<\/td><\/tr>
3<\/td>FM12 operation check<\/td>EXCB CN6-1 (REM)EXCB CN6-3 (LOCK)<\/td>23-T<\/td><\/tr>
4<\/td>Replace FM12 (Part# 4139M10000)<\/td>–<\/td>–<\/td><\/tr>
5<\/td>EXCB ICP1 conduction check<\/td>–<\/td>–<\/td><\/tr>
6<\/td>Replace EXCB<\/a>(Part# A2XKH00502)<\/td>–<\/td>–<\/td><\/tr>
7<\/td>Replace PRCB<\/a> (C554 Part# A2XKH00104 \/ C454 A4FJH00104)<\/td>–<\/td>–<\/td><\/tr><\/tbody><\/table>\n\n\n\n