Error code
Toshiba lokomotif kontrol sistemi All models code L23
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Meaning
Outdoor unit Switch setting incorrect when Hot Water Module is connected. Likely cause, SW103 bit 4 interface PCB set to OFF, set to ON when HWM installed
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Address of this page: https://www.remfixit.com/tr/toshibalokomotifkontrolsistemi/tum-modeller/l23