RETURN WEDNESDAY customer ordered proper size filter and will need us to come back to change it. Customer will call into office when filters arrive. Checked system, refrigerant temperatures and pressures. Took temperature split at supply vent and return on unit. Checked all electrical components capacitor, compressor amp draw, float, switches. Phone switches are bad after tests. Customer approved replacements. UV germicidal light is functional. Washed condensing unit flushed and vacuum drain line. System is running well.