{"id":24826,"date":"2021-02-05T12:23:41","date_gmt":"2021-02-05T12:23:41","guid":{"rendered":"http:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?post_type=epkb_post_type_1&p=24826"},"modified":"2023-12-13T15:08:26","modified_gmt":"2023-12-13T15:08:26","slug":"c8302-bizhub-4750i-4050i","status":"publish","type":"epkb_post_type_1","link":"https:\/\/apps.kmbizhubvcare.com\/bizhubtroubleshooter\/?epkb_post_type_1=c8302-bizhub-4750i-4050i","title":{"rendered":"C8302 (bizhub 4750i\/4050i)"},"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

Contents<\/h2>\n\n\n\n
Trouble type<\/td>C8302: DF cooling fan trouble<\/td><\/tr>
Rank<\/td>B<\/td><\/tr>
Trouble detection condition<\/td>The lock signal continues to detect H during a given time while the DF cooling fan (FM4) is spinning.<\/td><\/tr>
Trouble isolation<\/td>DF<\/td><\/tr>
Relevant electrical parts<\/td>-DF cooling fan (FM4)
-DF control board (DFCB)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Procedure<\/h2>\n\n\n\n
  1. Check the connector between FM4-relay CN112-DFCB CN4 for proper connection and correct as necessary.<\/li>
  2. Check the fan for possible overload and correct as necessary.<\/li>
  3. FM4 load check