Lenovo System x3750 M4 Installation And Service Manual page 483

3. Run the test again.
4. If failure remains, refer to "Troubleshooting by symptom" in the system "Installation and Service
Guide" for the next corrective action.
Related links
– IBM Support website
– Latest level of DSA
– Latest level of BMC/IMM
• 166-904-001 : IMM I2C Test Failed
IMM Indicates failure in LED bus (BUS 3).
Recoverable
No
Severity
Error
Serviceable
Yes
Automatically notify support
No
User Response
Perform the actions mentioned one at a time and try the test after each action:
1. Turn off the system and disconnect it from power. Wait for 45 seconds. Reconnect it to power.
2. Make sure that DSA and BMC/IMM are at the latest level.
3. Run the test again.
4. If failure remains, refer to "Troubleshooting by symptom" in the system "Installation and Service
Guide" for the next corrective action.
Related links
– IBM Support website
– Latest level of DSA
– Latest level of BMC/IMM
• 166-905-001 : IMM I2C Test Failed
IMM Indicates failure in Power Supply bus (BUS 4).
Recoverable
No
Severity
Error
Serviceable
Yes
Automatically notify support
No
Appendix B. DSA diagnostic test results
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