Service call 06/22/19 On arrival set unit to call for cooling measured supply and return air temp no DT checked electrical connections checked voltage and amps I checked outdoor ductless heat pump i put my gauge checked pressure and temp I found small non obvious leak the temperature is 27 degrees the pressure 225 I gave quote for customer to checked the leak and repair it but customer agree to add some 410A To the unit I charge the unit 2 pound 410A tested checked the pressure and temp is above 40 degrees stays. tight up all the connections checked electrical connections checked voltage and amps measured supply and return air temp is 25 degrees DT unit operating normal at this time. Collected $457 for charge 410A non obvious leak $89 for dispatch fee total $546 On C.C