Carrier F2 fault code

[stargirl]

Does anyone know what F2 fault code is on carrier model no: 40GKX048?

[install monkey]

Table VII: Alarm code
Code Description
2 Indoor unit air sensor
3 Indoor unit coil sensor
4 Outdoor unit coil sensor
6 Outdoor unit in alarm mode
7 Condensation pump / Condensation level
Example: Outdoor unit coil sensor not connected or not
operating.
The alarm code (3) is deduced from the number of
times the green LED flashes, at intervals of
5 seconds, blocking unit operation.
f2 isnt listed in the service manual-just a load of checks