High Liquid Pressure
Low Subcooling

(1.5 Thru 5 ton)
Outdoor Electrical Symptoms

• Low Airflow
• undersized duct, return and/or supply
• improperly installed duct, return and/or supply
• dirty air filter
• air filter with excessive resistance to air flow
• closed supply air registers
• blocked return grill
• Low Load
• dirty indoor coil
• return air temperature low
• System components not correctly matched
• indoor coil
• refrigerant lines
• undersized indoor piston
• Bad indoor blower motor/bad motor capacitor
• Incorrect Indoor Fan Motor and/or Fan Blades
• Indoor Fan Motor Running in Wrong Direction
• Indoor Blower Wheel Installed Wrong