TC feedback cab air-con was not working.Unable to reset. Cab was warm. ~~~~~ 3566 TC feedback cab air-con was not working Unable to reset. Cab was warm. CE feedback 3566 cab A/C running but fan speed is low.  3566 cab A/c condenser filter & cab evaporator filter found dirty. Washed the condenser filter & replaced the evaporator filter with new spare. Function check cab A/c operation & found fan speed running normally. Cab A/c was blowing cool air. Checked HP/LP - OK.  Hanafi 44396