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14.1.1 Relationship between the condition of the air conditioner and pressure and
electric current
Cooling Mode
Condition of the
air conditioner
Low Pressure High Pressure Electric current during operation
Insufficient refrigerant
(gas leakage)
Ô Ô Ô
Clogged capillary tube or
strainer
Ô Ô Ô
Short circuit in the indoor unit
Ô Ô Ô
Heat radiation deficiency
of the outdoor unit
Ò Ò Ò
Inefficient compression
Ò Ô Ô
• Carry out the measurement of pressure, electric current, and temperature fifteen minutes after an operation is started.