Tech found that the system was completely frozen tech found that the ice was 5in we are going to have to run the system over night to see if there is a leak in the system Leak searched system. Found no leak but coil was completely clogged up did not have a filter in system. Used coil cleaner to clean coil best i could. Needs a pull and clean but not recommended on a 30 year old coil. Needs filter installed.