98Step1 Wear an ESD-preventive wrist strap and make sure it has a good skin contact and is well grounded. Formore information, see the chapter “Installing modules.”Step2 Unpack a new fan tray and insert it into the fan tray slot along the slide rails. Push the fan tray in the slotuntil it has a close contact with the backplane.Step3 Use a screwdriver to fasten the captive screw on the fan tray.Step4 Check the FAN LEDs on the SRPU of the switch. If the OK LED is on, the fan tray is installed successfully.For more information about the FAN LEDs, see the chapter “Appendix C LEDs.”NOTE:You can check the fan status at the command line interface (CLI) after replacement. For more information,see the chapter “Hardware management and maintenance.”Replacing an air filterCAUTION:Clean air filters every three months to guarantee adequate ventilation and avoid over-temperature.The air filter of the S7506E-V is different from other models.• The S7506E-V has two air filters on its front and rear panels. For how replace the air filters, see“Replacing air filters on an S7506E-V.”• Other models of the S7500E series has only one air filter. For how to replace it, see “Replacing anair filter for the other models.”Replacing air filters on an S7506E-VFollow these steps to replace an air filter:Step1 Use a Philips screwdriver to remove the captive screws on the front and rear air filters, as shown in callout1 on Figure 54.Step2 Remove the front and rear air filters from the chassis, as shown in callout 2 on Figure 54.Step3 Install the cleaned front and rear air filters to the switch. For the installation procedures, see the chapter“Installing the switch.”
