C5603 (bizhub 554e/454e)
Contents
| Trouble type | Expansion control board communication error |
| Trouble code | C5603 |
| Rank | C |
| Detection timing | Communication error is detected in expansion control board. |
| Trouble isolation | – |
| Relevant electrical parts | • Expansion control board (EXCB) • Front side board (FRB) • PH unit • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Reboot the machine. | – | – |
| 2 | Check the connector between EXCB-PRCB for proper connection and correct as necessary. | – | – |
| 3 | Check the connector between FRB CN5-PH unit for proper connection and correct as necessary. | – | – |
| 4 | Check the connector between FRB CN2-PRCB CN8 for proper connection and correct as necessary. | – | – |
| 5 | Replace EXCB (Part# A5AYH00501) | – | – |
| 6 | Replace FRB (Part# A61FH00500) | – | – |
| 7 | Replace PH unit (454e Part# A61ER70000 / 554e Part# A61DR70400) | – | – |
| 8 | Replace PRCB (554e Part# A61EH00101 / 454e Part# A61DH00101) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.95. C5603)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.10.12 (Link to the Field Service Manual)