6Troubleshooting Your SystemNOTE: This chapter provides troubleshooting information for the VRTX enclosure only. For troubleshootinginformation on the server modules, see the server module documentation at dell.com/poweredgemanuals.Safety First—For You And Your SystemCAUTION: Many repairs may only be done by a certified service technician. You should only performtroubleshooting and simple repairs as authorized in your product documentation, or as directed by the online ortelephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.Responding To A Systems Management Alert MessageThe Chassis Management Controller (CMC) management applications monitor critical system voltages andtemperatures, and the cooling fans in the system. For information about the CMC alert messages, see theDell ChassisManagement Controller for Dell PowerEdge VRTX User’s Guide at dell.com/esmmanuals.Troubleshooting External ConnectionsEnsure that all external cables are securely attached to the external connectors on your system before troubleshootingany external devices.Troubleshooting A Damaged Enclosure1. Ensure that the following components are properly installed and connected:– Server modules– Power supplies– Blower modules– I/O module– Cooling shroud– Cooling fans– Cooling-fan assembly– CMC cards– Expansion cards– PCIe cage– Enclosure hard-drive carriers– Hard-drive backplane– Backplane expander board2. Ensure that all cables are properly connected.121