Arrived on site customer said last night system was not cooling and husband went to check unit upstairs and saw that the txv was frozen. Turned on fan shut system off. I turned system back on in cooling gauged up after system regulation reading superheate 104.8 degrees subcool in the negative and barely any pressure within system after process of elimination determining leak is on evaporator coil. Set comfort advisor visit for Sunday 3-5pm. Emailed estimate for repair. Signed up for home and budget protection plan.