Contents
| Trouble type | C5501: AC signal abnormality |
| Rank | C |
| Trouble detection condition | The zero cross signal is not input. |
| Trouble isolation | – |
| Relevant electrical parts | Fusing unitDC power supply (DCPS)CPU board (CPUB)Base board (BASEB) |
Procedure
- Check the fusing unit for correct installation (whether it is secured in position).
- Check the connector between DCPS CN6-BASEB CN1E for proper connection and correct as necessary.
- Check the connector between the fusing unit-relay CN2-DCPS CN2 for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the fusing unit.
- Replace CPUB.
- Replace BASEB.
- Replace DCPS.
(Link to the Field Service Manual)
