16Figure 22 Installing an LSPM1FANSA fan trayRemoving a fan trayWARNING!• Ensure electricity safety and never touch the rotating fans when you hot-swap a fan tray.• To prevent an unbalanced fan from causing loud noise, do not touch the fans, even if they are notrotating.• Do not touch any bare wires and terminals on a fan tray.• Do not place a fan tray in a moist location or let liquid flow into it.• Contact H3C Support if the circuits or components on a fan tray are faulty. Do not remove any fantray components.To remove an LSPM1FANSA or LSPM1FANSB fan tray:1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.2. Grasp the fan tray handle and pull out the fan tray slowly along the guide rails.3. Place the removed fan tray in an antistatic bag.Figure 23 Removing an LSPM1FANSA fan trayInstalling and removing a power moduleWARNING!• In power redundancy mode, you can replace a power module without powering off the switch butmust strictly follow the installation and procedures in Figure 24 and Figure 25 to avoid any bodilyinjury or damage to the switch.• Provide a separate circuit breaker for each power module.
