TC feedback cab air-con was not working.Unable to reset. Cab was very warm. Stock changeover was ar ranged at AMK MT. ERS-14 ~~~~~ T218 3709 (S) TC feedback cab air-con was not working. Unable to reset.Cab was very warm. YCK SB. CE checked:218(3709) check n found cab ac blowing vent air. Cab warm. Temp 29.2c.  Check the above mention due to freon level low LP:40: HP:180. Freon Top up to LP:60, HP:240 and check freon leak ok. Security check andfunction test ok. Unit able to cut run as per normal with cut in/cut out. Done by Saini/Asruddin 45320