FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
Andy_G
Staff
Staff
Article Id 196897
Description
In case of a single fan failure, the other fans will increase their speed to keep the temperature under the threshold.  This is applicable to all FortiGate models with multiple fans.

However, these fans are not field replaceable.  In the case of failure it will be necessary to create an RMA ticket to request the replacement of the entire unit.

The exceptions are the FortiGate 7000 and FortiGate 5000 Series chassis systems where spare fans can be ordered and replaced on site. 

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