(2) Using a gas leak detector, check the refrigerant line for
(3) If a gas leak is not detected from the drain hose, remove the blower motor control (blower resistor)
from the cooling unit. Insert the sensor of the gas leak detector into the unit and check for gas
(4) Disconnect the pressure switch connector and wait for approximately 20 minutes. Bring the gas leak
detector close to the pressure switch and check for gas leakage.
Text in Illustration
*1 Gas Leak Detector
*a Check for Leakage