Allied Telesis SwitchBlade x3100 Series Manual page 226

Introduction
Fan Module Not Present
•
Fans Not Rotating Properly
•
Hardware Not Recognized
•
No Communication
•
High Temperature - as detected by one or more of the temperature sensors on the fan tray.
•
1-196
Software Reference for SwitchBlade x3100 Series Switches (Setting Up the Switch)
Fan Module Alarms