C7604 (bizhub 950i/850i)
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Contents
| Trouble type | C7604: Power line A4 error |
| Rank | C |
| Trouble detection condition | The fuse detection unit detected an error for a predetermined time. |
| Trouble isolation | – |
| Relevant electrical parts | – Exit motor (M4) – Reverse motor (M33) – Gate switch solenoid (SD1) – IDC sensor shutter solenoid (SD2) – Base board (BASEB) |
Procedure
- BASEB F13E conduction check.
- Check the connector between M4-BASEB CN12E for proper connection and correct as necessary.
- Check the connector between M33-BASEB CN12E for proper connection and correct as necessary.
- Check the connector between SD1-relay CN166-relay CN165-BASEB CN12E for proper connection and correct as necessary.
- Check the connector between SD2-relay CN551-relay CN228-relay CN603-BASEB CN12E for proper connection and correct as necessary.
- M4 load check
- Check code: 27
- Multi code: 1, 2, 3, 4
- Control signal: BASEB CN12E-9 to 12
- Location of electrical component: 12-K
- Exit motor (M4)
- M33 load check
- Check code: 84
- Multi code: 1, 2, 3, 4, 5, 6, 7, 8
- Control signal: BASEB CN12E-5 to 8
- Location of electrical component: 12-K
- Reverse motor (M33)
- SD1 load check
- Check code: 83
- Multi code: 0
- Control signal: BASEB CN12E-3, 4
- Location of electrical component: 12-K
- Gate switch solenoid (SD1)
- SD2 load check
- Control signal: BASEB CN12E-1, 2
- Location of electrical component: 13-K
- IDC sensor shutter solenoid (SD2)
- Base board (BASEB)