Contents
| Trouble type | C5357: Machine cooling fan failure to turn |
| Rank | B |
| Trouble detection condition | The fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning. |
| Trouble isolation | – |
| Relevant electrical parts | Machine cooling fan (FM1)CPU board (CPUB)Base board (BASEB) |
Procedure
- Check the connector between FM1-relay CN23-BASEB CN19E 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.
- FM1 load check
- Check code: 42
- Multi code: 1, 2
- Control signal: BASEB CN19E-4 (REM), BASEB CN19E-6 (LOCK)
- Location of electrical component: 10-C
- Replace FM1.
- Replace CPUB.
- Replace BASEB.
(Link to the Field Service Manual)
