TC feedback cab air-con was not working.Unable to reset. Cab was warm. ~~~~~ TC feedback cab air-con was not working. Found #3608 cab a/c blowing warm air. Further found freon was low. Top up freon to LP=60psi,HP=240psi Monitor cab a/c for 2 hours,cooling present 22degC. Done by Martin/Azwad.  12/05/23