Contents
| Trouble type | C5372: MFP control board CPU temperature failure |
| Rank | C |
| Trouble detection condition | Temperature failure of CPU on the CPU board was detected. |
| Trouble isolation | – |
| Relevant electrical parts | CPU cooling fan (FM3)CPU board (CPUB)Base board (BASEB) |
Procedure
- Update to latest Firmware.
- Check the connector between FM3-BASEB CN17 for proper connection and correct as necessary.
- Check the fan for possible overload and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- FM3 operation check
- Control signal: BASEB CN17-1 to 2
- Location of electrical component: 21-I
- Replace CPUB.
- BASEB ICP1 conduction check
- Replace BASEB.
(Link to the Field Service Manual)