Table 6-4. Secondary Information about Accessory Errors (continued) 104 Chapter 6 Troubleshooting C4170-90959 Control Panel LED Patterns Error Message Status Log Code Recommended Action DIMM slot 1 error (Secondary Error Message) Reseat the DIMM in slot 1. If the problem persists, replace the DIMM. DIMM slot 2 error (Secondary Error Message) Reseat the DIMM in slot 2. If the problem persists, replace the DIMM. DIMM slot 3 error (Secondary Error Message) Reseat the DIMM in slot 3. If the problem persists, replace the DIMM.