Error code
Toshiba lokomotif kontrol sistemi All models code P04
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Meaning
High pressure switch activation. Detected at outdoor. Likely cause poor airflows over indoor / out dependant on operation, restriction in refrigerant flow, non-condensable mixed with refrigerant. Fault sub code required to determine which H.P Switch activated 01=compressor 1 02=compressor 2 03=compressor 3. Retrieve fault sub-code from condenser interface PCB by placing rotary dials to position 1 / 1 / 1 for diagnosis
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Address of this page: https://www.remfixit.com/tr/toshibalokomotifkontrolsistemi/tum-modeller/p04