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Chapter 8 FAN Unit Replacement 8-9
FIGURE 8-7 Initial Page of the Maintenance Menu
Note – DDC_A is displayed only for the M8000.
b. From the replacement parts list on the maintenance menu, select 2, "FAN."
c. From here, perform the operation according to the instructions displayed in
the maintenance menu.
Check the states of LEDs (POWER LED: off; CHECK LED: blinking) on the
FAN unit to be replaced, and begin the actual replacement work when a
message instructing the user to replace the target FAN unit is displayed. Leave
the maintenance menu as is until Step 8.
3. Connect the clip of the antistatic wrist strap and of the antistatic mat to the
server grounding port. See Section 1.4, “Antistatic Precautions” on page 1-6.
4. Ensure that the metallic underside of the wrist strap is in direct contact with
your skin. The wrist strap should be snug around the wrist so that it does not
rotate. See Section 1.4, “Antistatic Precautions” on page 1-6.
Caution – Before handling FRUs, be sure to connect the clip of the antistatic wrist
strap and of the antistatic mat to the server grounding port, and attach the band of
the wrist strap to one of your wrists. Place the FRUs on the grounded antistatic mat.
Failure to take these antistatic measures might result in serious damage.
5. Using a Phillips screwdriver, loosen the knob screw of the fixing bracket of the
FAN unit to release the bracket.
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Maintenance/Replacement Menu
Please select a type of FRU to be replaced.
1. CMU/IOU(CPU Memory Board Unit/IO Unit)
2. FAN(Fan Unit)
3. PSU(Power Supply Unit)
4. XSCFU(Extended System Control Facility Unit)
5. DDC_A(DDC for BP_A)
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