3
Chapter
System Maintenance
Replace System Fan
If a system fan malfunctions, please see the instructions below to open the case of FX2421 and replace the
malfunctioning fan.
1 Press the small buttons located on the sides of the FX2421.
2 Lift to remove the fan cover.
3 Fans are numbered as shown below.
4 Find the malfunctioning fan. Lift up the fan to remove it.
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