# Cisco FXOS Fan sensors Monitors status of Cisco FXOS Fan sensors (FirePower devices) Check Info: * *service*: creates one service for every Fan sensor, the item is the fan index * *state*: **critical**/**warning** if outside the configured levels. **unknown** if fan sensor not found] * *wato*: lower/upper fan speed levels, enable/disable Perfdate (see fan.include) * *perfdata*: fan speed in rpm Testetd with: FirePower FPR-1140 Sample output ![sample output](/doc/sample.png?raw=true "sample [SHORT TITLE]")