Panasonic CS-HE9JKE Service Manual page 46

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 operating
46
Heating Mode
Electric current
High Pressure
during operating