Cab air-con blowing warm air. ~~~~~ Cab air-con blowing warm air.     Checked #3690 cab a/c themostat and confirmed temperature was set at 27c.Reset it to 23-24c.Monitored cab a/c cut in/out ok.Using digital themometer,temperature of cab a/c when cut in 22.6c,ok.    Done by Joshua. 26/11/20