454. If the issue persists, contact H3C Support.To replace a power module, see "Installing and removing a power module."Fan tray failureThe S6520X-SI switches (except the S6520X-26XC-UPWR-SI and S6520X-54XC-UPWR-SI) usebuilt-in fan trays. If a fan tray fails, contact H3C Support.The S6520X-26XC-UPWR-SI and S6520X-54XC-UPWR-SI switches use removable fan trays. If anLSPM1FANSB fan tray fails, the fan tray Alarm LED turns on and the switch sends alarm messages.You can see "Installing and removing a fan tray" to replace the fan tray.Configuration terminal issuesIf the configuration environment setup is correct, the configuration terminal displays bootinginformation when the switch is powered on. If the setup is incorrect, the configuration terminaldisplays nothing or garbled text.No displaySymptomThe configuration terminal does not have display when the switch is powered on.SolutionTo resolve the issue:1. Verify that the power module is supplying power to the switch correctly.2. Verify that the console cable is correctly connected.3. Verify that the console cable does not have any issues and the terminal settings are correct.4. If the issue persists, contact H3C Support.Garbled displaySymptomThe display on the configuration terminal is garbled.SolutionTo resolve the issue:1. Verify that the following settings are configured for the terminal:{ Baud rate—9600.{ Data bits—8.{ Stop bits—1.{ Parity—None.{ Flow control—None.2. If the issue persists, contact H3C Support.
