Fujitsu M10-1, M10-4 and M10-4S High FAN Rotation Speeds Causes Noisy Systems
(Doc ID 2035857.1)
Last updated on MARCH 25, 2021
Applies to:
Fujitsu M10-1 - Version All Versions to All Versions [Release All Releases]Fujitsu M10-4 - Version All Versions to All Versions [Release All Releases]
Fujitsu M10-4S - Version All Versions to All Versions [Release All Releases]
SPARC
Symptoms
XCP2250 can cause inappropriate FAN speed changes when the environment temperature changes a few degrees
| Model | Symptom |
| M10-1 |
When a system power on is performed: (1) System power on may fail due to multiple FAN error detection indicating "FAN Speed too low" (2) FAN rotation speed might change to high speed (Level-5) |
| M10-4/M10-4S |
(3) FAN rotation speed might change to higher than usual in spite of system power-off state. |
Example for M10-1
(1): System power on may fail due to multiple FAN error detection indicating "FAN Speed too low".
The power-on failure can be identified by the following error log.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |