Homeowner stated that the unit wasn’t cooling that she reseted the breaker , unit came on for a short time then went out, and the thermostat was blank. Found the unit tripped on overflow switch, we blew it out with nitrogen, tested , while we were here we also performed the spring maintenance. Performed a 1 system spring maintenance ( heat pump). Tasks performed. 1. Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested compressor/ condenser fan motor capacitor. 6. Checked refrigerant pressures. 7. Checked compressor amp draw. 8. Checked condenser fan motor amp draw. 9. Inspected / replaced return filter. 10. Inspected return plenum for debris/ dirty. 11. Inspected evaporator coil. 12. Inspected blower motor/ blower wheel,,,both are very dirty,, recommended a blower cleaning. 13. Checked blower amp draw. 14. Measured temperature differential . 15. Inspected drain lin