Check manual page of intel_true_scale_fans
Intel True Fabric Scale Switches: Fans status and speed
This check monitors the operational and speed status of fans
of True Scale Fabric Switches which support the ICS-CHASSIS MIB.
The operational status can be online OK, operational OK,
failed CRIT or offline WARN.
The speed status can be low CRIT, normal OK, high CRIT
or unknown UNKNOWN.
The fan ID.
One service for each fan is created.