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EonStor A08U/A12U-G2421 Installation and Hardware Reference Manual
Step 3. Remove the retention screw: After the power cable has been
removed from the power connector, remove the retention screw at
the upper right side of the PSU rear-end panel. (See Figure 5- 7)
The screw is located below the extraction lever, beside the LED
indicator, and can be hidden from sight.
Figure
5
-6: PSU Parts Identification
Figure 5- 7: Removing the PSU Retention Screw
Step 4. Pull the extraction handle downward: Push the extraction lever at
the back of the PSU module downwards. This will dislodge the PSU
module from the subsystem. Once dislodged, gently pull the PSU
module out of the subsystem. (See Figure 5- 8).
WARNING!
• When a PSU is pulled out of the chassis, the fan module beneath the PSU is
removed from the chassis at the same time.
• Do not remove the PSU module unless a replacement is readily available.
Removing a PSU without a replacement will cause severe disruptions to the
internal airflow and the subsystem will overheat, possibly causing irreparable
damage to some of the subsystem components.
• It is recommended that the replacement procedure is completed in less than
five (5) minutes to prevent the subsystem from overheating.
5-10
Replacing a Failed PSU Module