Panasonic CS-HE9NKE Service Manual page 56

15.1.1 Relationship between the condition of the air conditioner and pressure and
electric current
Condition of the
air conditioner
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.
Cooling Mode
Low Pressure High Pressure
Electric current
Low Pressure
during operation
56
Heating Mode
Electric current
High Pressure
during operation