Samsung air conditioner error codes
By model series
All codes
C101Communication errorC102Communication errorC108Set address errorC121Room TH sensor errorC122INDOOR MID, INDOOR IN EVA-TH sensor errorC123INDOOR MID, INDOOR IN EVA-TH sensor errorC140Dust sensor errorC142Humidity errorC143Motion sensor errorC154Fan error(indoor)C161Mixed operation errorC163Option errorC187K1 filter feed back errorC203Time out Comp. (Inv Micom <->Main Micom)C221OUT-TH (Outdoor temperature) sensor errorC231CON-TH (Cond temperature) sensor errorC251DIS-TH(Discharge temperature) Sensor errorC416DIS-TH(Discharge temperature) Over errorC422EEV or valve close error-self diagnosisC440Prohibit operation condition error (Heating)C441Prohibit operation condition error (Cooling)C458Fan errorC461Comp. strating errorC462AC Input I_limit trip errorC464IPM over current (O.C) errorC465Comp. V_limit/ I_limit errorC466DC-Link voltage under/over errorC467Comp. wire missing errorC468Current sensor errorC469DC-Link voltage sensorC470EEPROM data error (no data)C471EEPROM data error (Main Micom <-> INV Micom)C474Heatsink sensor errorC483Over voltage protection errorC484PFC over load errorC485Input current sensor errorC488AC Input voltage sensorC500Heatsinkover temperature errorC554Gas leak errorC574Gas shortage errorC665Drain pump error