Tech Tips
Heat Pump Symptoms
heating mode
HP0010

Tripping High Pressure Switch	High Liquid Pressure/ Low Subcooling
Unit Running in Cool Mode	High Liquid Pressure / High Subcooling
Compressor Runs but Does Not Pump	High Suction Pressure / Low Liquid Pressure
Compressor Tries to Start But Does Not	Low Suction/ Low Superheat (fixed metering device)
Low Suction Pressure / High Superheat	Low Suction/ Normal Superheat (TXV)
Odor and/or "Green Slime" In Refrigeration System	Insufficient Heat
Unit Pumps into Vacuum