![background image](http://html.mh-extra.com/html/nec/express-5800-120lg/express-5800-120lg_service-manual_251153099.webp)
Disassembly and Reassembly 4-33
Removal
1.
Check the Power Status lamps of the power supplies on the rear face and
determine which module needs to be replaced. (If a power supply is
defective, the Power Status lamp is lit amber.)
NOTE:
When the server is equipped with two power supplies and one of
the power supplies operates normally (with the power lamp of the power
supply being on), the other defective power supply can be replaced while
the system is in operation (or in the power-on status). In this case, skip
step 2 in this procedure.
2.
Shut down the system and press the POWER switch to turn off the power.
3.
Disconnect the power cord from the failed power supply.
4.
While pressing down on the locking tab, grasp the handle and carefully pull
the power supply out of the power supply bay. See Figure 4-32.
IMPORTANT
:
To avoid damaging the power supply unit, do not tilt or
twist the unit as you pull it from the power supply bay. The module
disengaging from its connector causes the initial resistance you will feel.
Use even, steady force to remove the unit.
1
2
Figure 4-32. Removing a Power Supply
5.
If you are not going to install a replacement power supply unit, you must
install blank cover in the vacant slot.
IMPORTANT:
To maintain the cooling effect in the server, install the
blank cover in the vacant slot of the power supply bay.
6.
Install the power supply referring to steps 3 to 8 of the power supply
installation procedure.
Summary of Contents for Express 5800/120Lg
Page 1: ... S e r v i c e G u i d e EXPRESS5800 120Lg ...
Page 2: ......
Page 4: ......
Page 10: ......
Page 73: ...Disassembly and Reassembly 4 7 Figure 4 2 Installing the Left Hand Side Access Panel ...
Page 132: ......
Page 161: ...6 Illustrated Parts Breakdown Exploded View Field Replaceable Units ...
Page 168: ......
Page 169: ...A Specifications System Specifications ...
Page 179: ...C IRQ and I O Port Addresses Interrupt Requests PIRQ and PCI Device ...
Page 188: ......
Page 198: ......
Page 203: ...xx ...
Page 204: ... 456 01673 000 ...