C8302 (bizhub 554e/454e)
(1)Contents
| Trouble type | Cooling fan trouble |
| Trouble code | C8302 |
| Rank | B |
| Detection timing | • 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)Procedure
| 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# 4139M10000) | – | – |
| 5 | DFCB F6 conduction check | – | – |
| 6 | Replace DFCB (Part# A3CEPP4900) | – | – |
- Link to the wiring diagram (N.2. DF-701)
- Link to the layout drawings for related parts by each trouble code (S.110. C8302)
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)