IBM System x3550 M4 Installation And Service Manual page 794

166-905-001 • 166-908-001
166-905-001 IMM I2C Test Failed
Explanation: IMM Indicates failure in MAX7319 device bus (BUS 4).
Severity: Error
Serviceable: Yes
Recoverable: No
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.
166-907-001 IMM I2C Test Failed
Explanation: IMM Indicates failure in LM75 device bus (BUS 6).
Severity: Error
Serviceable: Yes
Recoverable: No
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.
166-908-001 IMM I2C Test Failed
Explanation: IMM Indicates failure in PCA9567 bus (BUS 7).
Severity: Error
Serviceable: Yes
Recoverable: No
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.
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IBM System x3550 M4 Type 7914: Installation and Service Guide