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15.2  Relationship Between The Condition Of The Air Conditioner And 
Pressure And Electric Current 
 
Condition of the  
air conditioner 
Cooling Mode  Heating Mode 
Low Pressure  High Pressure 
Electric current 
during operation
Low Pressure  High Pressure 
Electric current 
during operation
Insufficient refrigerant 
(gas leakage) 
           
Clogged capillary tube or 
Strainer 
           
Short circuit in the indoor unit 
           
Heat radiation deficiency 
of the outdoor unit 
           
Inefficient compression 
           
•  Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started.