3Com H3C S7503E-S CHASSIS Installation Manual page 170

7 Troubleshooting ········································································································································7-1
Troubleshooting the Configuration System·····························································································7-1
No Display on the Terminal ·············································································································7-1
Illegible Characters on the Terminal································································································7-2
Troubleshooting Power Modules ············································································································7-2
Troubleshooting the PSR320-A and the PSR320-D ·······································································7-2
Troubleshooting the PSR650-A and the PSR650-D ·······································································7-2
Troubleshooting the PSR1400-A·····································································································7-2
Troubleshooting the PSR1400-D ····································································································7-3
Troubleshooting the PSR2800-ACV································································································7-4
Troubleshooting the PSR6000-ACV································································································7-4
Troubleshooting Fans ·····························································································································7-5
Troubleshooting LPUs·····························································································································7-5
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