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Chapter 4 Servicing the Device
42 User’s Guide
R
EPLACING
THE
F
AN
M
ODULE
You only need to replace the fan module when a failure occurs. When this happens, the
Fan LED glows red, and the device generates an event alarm and an SNMP trap.
To remove the fan module:
1. Pull the fan lever until it is fully extended.
2. Grip the sides, then gently slide the assembly straight out.
Note: During the one-year warranty period, you can obtain a replacement fan module by
contacting NetScreen Technical support. After the warranty period, contact the NetScreen
Sales department.
Warning: Do not remove the fan module while the fans are still spinning.
Fan Module
Fan Front
Fan Lever