No power at the outlet

Check the fuse box/circuit breaker

Power cord is damaged

Replace the cord

Condenser coils are dirty

Clean the coils with vacuum only

Condenser fan is defective

Check the fan (frost-free type)

Defect in the thermostat

Test the thermostat and replace it if necessary

Defect in the compressor

Call a qualified professional

Refrigerant is leaking

Call a qualified professional

Condenser coils are dirty

Clean the coils with vacuum only

Door is open too much

Open the door as little as possible

Door sags

Straighten the door

Door gasket is damaged

Test the gasket and replace it