
46 007-5759-001
6: Basic Troubleshooting and Chassis Service
Unpacking
Replacement components are usually shipped in antistatic packaging to avoid static damage.
When unpacking an upgrade or replacement component, make sure the person handling it is static
protected.
Control Panel
The control panels (located on the front of the chassis) must be connected to the JF1 connector on
each serverboard to provide you with system status indications. A ribbon cable has bundled these
wires together to simplify the connection. Connect the cable from JF1 on the serverboard to the
Control Panel PCB (printed circuit board). Make sure the red wire plugs into pin 1 on both
connectors. Pull all excess cabling out of the airflow path. The LEDs inform you of system status.
See Chapter 3 for details on the LEDs and the control panel buttons. Details on JF1 can be found
in Chapter 5.
System Fans
Four 8-cm hot-swap fans provide the cooling for the system. It is very important that the chassis
top cover is properly installed and making a good seal in order for the cooling air to circulate
properly through the chassis and cool the components.
To access and check on the system fans:
1. Unscrew the two fasteners holding the top cover to the chassis.
2. Lift the top cover up and away from the chassis.
3. Confirm that all ventilation openings in the top cover and chassis are unobstructed.
Important: Never operate the system for more than a short time (maintenance period) with the
top cover removed, disk bays empty, or serverboard trays extracted. Overheating and system
damage could result.
See Figure 6-1 on page 47 for the location of the fan assemblies in the C2112-4G3 chassis.
Comentarios a estos manuales