CEM Fan Timeout in Sensor Classic

How long does the fan in a Sensor rack stay on after all lights are turned off or data is removed?

Sensor CEM3 the default time is 30 min. (range 30-180 min. In addition, there is an "Always On" option)

Sensor CEM+, the fan will timeout after 15 minutes of no data present or all levels controlled at 00. (There is also an "Always On" option)

Sensor Classic v3.0 code and higher, the fan will timeout after 15 minutes of no data present or all levels controlled at 00.

Sensor Classic v2.14 and older code, timeout is about 3-5 min.