I arrived at our clients home for the indoor unit not coming on or cooling properly. Our client had previously called another service company and they had diagnosed a failed indoor blower motor. I spoke with our client regarding the overall system and immediately found refrigerant residue in the closet unit line set. I showed this to our client and we discussed how this is a clear sign of refrigerant leaking out of the unit. I proceeded to test the indoor motor and it came on. I then proceeded outside and tested the outdoor heat pump. I tested all the electrical components and found the contactor to be very charred. The contactor may have been engaged and sending signal for the compressor to run without calling for the indoor equipment to run. Today everything was responding. I was able to also check the refrigerant pressures and did confirm the unit is low. The unit hold the old R22 refrigerant. I also checked temps tires and was only getting. 13/14° temperature drop. I showed al