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7D-10 FATC-HAVC Fault Safety Function FATC airconditioner system not only performs self-diagnosis NO. Item Defects Fault safety function 1 Incar sensor Open or short Control When substituted 25°C 2 Ambient sensor Control When substituted 20°C 3 Water temperature sensor Perform heating maneuver control function under refrigeration maneuver control entering conditions and release after 10 minutes. 4 Temperature door potentiometer Set temperature 17 - 24.5°C:max. COLD position Set temperature 25 - 32°C:max. HOT position Open or short Open or short Open or short |