Mitsubishi Alarm Code #332 cause 1



Alarm Code #332
Model CPE52, 53, 14, 15, 15V, 16
Failure Detected pressure shift failure of High or Low refrigerant pressure sensor ( HPT or LPT )
Countermeasure
<< Cause –(1) >>
Opening failure of Electronic expansion valve ( EEV )
< Check > ( Refer to Page F-17 )
Check if vibration noises are head at an interval of approx. 1 – 2 sec
when EEV is opened and closed under the test mode.
(i) In case no noise is heard :
Disconnect the connector CN22 and check the resistance between 1(YEL) – 2(BLU) Pin,
3(BLK) – 4(WH) Pin.
(ii) In case noise is heard :
Check LPT-OFF with “ the Classification Society test ” under the test mode and cancel
immediately the test by pressing ENTER key.
Next, Open EEV with “ the EEV test ” under the test mode and check if the pressure rises or not.
< Action >
(i) Out of approx. 100 – 160 ohm range : Replace EEV.
(ii) In case the low pressure does not rise : Replace EEV.

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