C8302 (bizhub C364e/C284e/C224e)
Contents
| Trouble type | Cooling fan trouble | |
| Trouble code | C8302 | |
| Rank | B | |
| Detection timing | <When DF-624 is installed><When DF-701 is installed> • The lock signal continues to detect H during a given time while the DF cooling fan motor (FM1) is spinning. • The lock signal continues to detect L during a given time while the cooling fan (FM1) is during halts. | |
| Trouble isolation | – | |
| Relevant electrical parts | • DF cooling fan motor (FM1) • DF control board (DFCB) |
(2)ProcedureWhen DF-624 is installed
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between FM1-DFCB J16 for proper connection and correct as necessary. | – | – |
| 2 | Check the fan for possible overload and correct as necessary. | – | – |
| 3 | FM1 operation check | DFCB J16-3 (ON) | DF-624 3-B |
| 4 | Replace FM1 (Part# 9J06M10000) | – | – |
| 5 | DFCB F6 conduction check | – | – |
| 6 | Replace DFCB (Part# A3CFPP5Q00) | – | – |
- Link to the wiring diagram (N.2.2 DF-624)
- Link to the layout drawings for related parts by each trouble code (S.90.1 DF-624)
When DF-701 is installed
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between FM1-DFCB J16 for proper connection and correct as necessary. | – | – |
| 2 | Check the fan for possible overload and correct as necessary. | – | – |
| 3 | FM1 operation check | DFCB J16-3 (ON) | DF-701 7-G |
| 4 | Replace FM1 (Part# 9J06M10000) | – | – |
| 5 | DFCB F6 conduction check | – | – |
| 6 | Replace DFCB (Part# A3CEPP4900) | – | – |
- Link to the wiring diagram (N.2.1 DF-701)
- Link to the layout drawings for related parts by each trouble code (S.90.2 DF-701)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.12.3 (Link to the Field Service Manual)