Found fan motor to not be running when I arrived. Found capacitor to be bad. Replaced capacitor and fan turned on and was functioning. Found condenser coil to be very restricted causing poor airflow through condenser. Cleaned condenser coil. Found air filter very restricted. Customer was unaware about changing the air filter. Removed air filter to test system. Checked refrigerant levels and refrigerant checked out good. Recommend keeping air filter and condensing unit clean.