288 Upgrade and Maintenance Manual TX2550 M4
Ê Lift the fan module out of the fan bridge (2).
8.2.3 Installing the new system fan module
Figure 196: Installing the fan module
Ê Insert the fan module as shown.
Ê Press down the fan module until it locks.
8.2.4 Concluding steps
Ê "Reassembling" on page 68
I When a system fan module fails, the remaining fans will start operating
at full speed. After the defective fan module has been replaced, all fans
will continue to run at full speed for a couple of minutes, before resetting
to a lower speed.
Ensure that all system fans reset to a normal operating speed.
Ê "Performing a fan test" on page 133
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