C1127 (bizhub C554/C454)
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Contents
| Trouble type | Punch oscillating motors drive malfunction | |
| Trouble code | C1127 | |
| Rank | B | |
| Detection timing | <When FS-535+PK-521 is installed> The PK punch home sensor (PS303) is not turned ON even after the set period of time has elapsed while the punch oscillating motor (M302) is energized. | |
| Trouble isolation | Punch | |
| Relevant electrical parts | -Punch oscillating motor (M302) -PK punch home sensor (PS303) -Punch control board (PKCB) -FS control board (FSCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M302-relay CN342-relay CN341-PKCB CN37 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of M302 for proper drive coupling, and correct as necessary. | – | – |
| 3 | Check the connector between PS303-relay CN342-relay CN341-PKCB CN34 for proper connection, and correct as necessary. | – | – |
| 4 | PS303 I/O check, sensor check | PKCB CN37-2 (ON) | PK-521 5-C |
| 5 | M302 operation check | PKCB CN34-1 to 6 | PK-521 5-C |
| 6 | Replace M302 (Part# A11TM10100) | – | – |
| 7 | Replace PKCB (Part# A2YRH10103) | – | – |
| 8 | Replace FSCB (Part# A2Y1H10002) | – | – |
- Link to the wiring diagram (N.3.11 PK-521)
- Link to the layout drawings for related parts by each trouble code (S.31. C1127)
K3.6.18 (Link to the Field Service Manual)