I arrived at our clients home for the downstairs unit not cooling properly. Our client noticed the unit was on inside but not keeping the set temperature on the thermostat. I proceeded into the attic and verified the unit was on and sending the signal for the outdoor unit. I proceeded outside and began testing the equipment. I found the capacitor to be failed and I found the thermostat wires to the high pressure switch to be chewed up by a rodent. I showed my findings to our client and we discussed repair options. They elected to bypass the pressure switch as a temporary fix but understand a pressure switch is needed to protect the compressor from overheating and high pressures. They also elected to replace the capacitor today. Once repairs were made and wires secured I tested the system to ensure it was cooling properly. I did rinse the downstairs unit to also reduce stress from the over system performance. I did send an estimate for a replacement high pressure switch and also indo