Dell PowerVault Storage MD1280 Dell Storage MD1280 Service Guide - Page 3

Contents 1 About the Dell Storage MD1280 Service Guide 5 Dell Storage MD1280 overview...5 Dell Storage MD1280 hardware...5 Dell Storage MD1280 monitoring 5 Front-panel features and indicators...5 Back-panel features and indicators...7 I/O EMM features and indicators...8 Fan module features and indicators 9 PSU features and indicators ...10 DDIC indicator...11 2 Replacing Dell Storage MD1280 components 13 Safety precautions...13 Electrical safety precautions...13 General safety precautions ...13 Electrostatic discharge precautions 14 Pre-replacement tasks...14 Turning off the EMMs and enclosure 14 Replacing PSUs...14 Identifying the failed PSU...14 Replacing a PSU...14 Replacing fan modules ...16 Identifying the failed fan module 16 Replacing a fan module...16 Replacing hard drives...17 Numbering the hard drive ...17 Identifying the failed hard drive...18 Replacing hard drives...18 Replacing I/O EMM modules...21 Identifying the failed EMM...22 Replacing an EMM...22 Replacing chassis...23 Replacing rack rails...23 Post-replacement tasks ...24 Turning on the EMMs and enclosure 24 3 Troubleshooting Dell Storage MD1280 components 25 Troubleshooting fan modules...25 3