H3C CR16000-M Installation Manual page 69

Contents
9 Troubleshooting ······················································································· 9-1
Troubleshooting methods································································································································ 9-1
Configuration terminal display issues at startup······························································································ 9-1
No display on the configuration terminal ································································································· 9-1
Garbled display on the configuration terminal ························································································· 9-2
System failures during operation ···················································································································· 9-2
Power supply failure ········································································································································ 9-2
Fan tray failure ················································································································································ 9-3
MPU failure ····················································································································································· 9-3
Interface module failure··································································································································· 9-4
Interface failure ··············································································································································· 9-4
Switching fabric module failure ······················································································································· 9-5
Technical Support ··········································································································································· 9-5
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