Tech was informed mua has interlock fault code as well as kitchen unit not cooling properly. Tech found mua did not have power on roof fault code was for exhaust hood trying to go through safety’s and damper operation but not able to due to no power to mua tech checked power at disconnect and was not able to find any. Tech checked all breakers and did not find any off or tripped. Electrician will need to be called to get power to mua. Kitchen unit circuit 1 is cutting out on low pressure due to low refrigerant te h performed leak search and was able to get hits from bottom of heater core tech did notice the joint leaking is factor and has not been worked on. Office quoted $1515 p,us tax for repair of leak. Tech recommends replacing evaporator coil due to condition extremely rusty and high risk of leak in future. Office to quote evaporator coil. Will require 2 techs to perform work. S#562L