H3C S12500G-EF Series Installation Manual page 58

Contents
5 Troubleshooting ······················································································· 5-1
Troubleshooting methods································································································································ 5-1
System failures at startup································································································································ 5-1
No display on the configuration terminal ································································································· 5-1
Garbled display on the configuration terminal ························································································· 5-2
System failures during operation ···················································································································· 5-2
Power module failure ······································································································································ 5-2
Fan tray failure ················································································································································ 5-3
MPU failure ····················································································································································· 5-3
Service module failure····································································································································· 5-4
Fabric module failure······································································································································· 5-4
Interface failure ··············································································································································· 5-5
Technical support ············································································································································ 5-5
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