Samsung Mini Split Error Codes
39 codes · manual-verified where marked · draft entries clearly flagged
C-codes
- Samsung C101 error code
C101 means an indoor/outdoor communication error (shown with its E101 equivalent on some models): the indoor b… - Samsung C102 error code draft
C102 means Indoor room temperature (TH) sensor error. Advisory Technician Breadth evidence 5 published catalog… - Samsung C108 error code draft
C108 returns, stop resetting and schedule service. Do not remove panels. Read the full code guide Samsung mini… - Samsung C121 error code draft
C121 means Dust sensor error. Advisory Technician Breadth evidence 5 published catalog models on its documente… - Samsung C122 error code
C122 means an evaporator sensor fault - the service manual lists C122/C123 as the indoor mid / indoor-in evapo… - Samsung C123 error code draft
C123 means Motion sensor error. Advisory Technician Breadth evidence 5 published catalog models on its documen… - Samsung C140 error code draft
C140 returns, the indoor fan does not run, or airflow stays weak after the filter is seated. Tell them the cod… - Samsung C142 error code draft
C142 is Mixed operation error (zones asking for heat + cool at once). The unit is stopping or limiting operati… - Samsung C143 error code draft
C143 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Option (option-sett… - Samsung C154 error code
C154 means an indoor fan motor fault or protection event. Samsung confirms two patterns: an intermittent C154 … - Samsung C161 error code draft
C161 returns. Tell them the code means Drain pump error. Technician boundary Stop here: electrical or inverter… - Samsung C203 error code draft
C203 returns, the fan is not visibly blocked, or the fan blade is damaged. Tell them the code means Outdoor fa… - Samsung C221 error code draft
C221 returns after airflow is corrected. Tell them the code means Discharge temperature OVER error. Technician… - Samsung C231 error code draft
C231 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Communication time-… - Samsung C251 error code draft
C251 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Current sensor erro… - Samsung C416 error code draft
C416 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Discharge temperatu… - Samsung C422 error code draft
C422 appears or returns after one reset. Tell them Section 9 index is ambiguous but detail section 9-2-19 is E… - Samsung C440 error code draft
C440 is Prohibit operation condition error (COOLING) - outdoor conditions outside allowed COOLING range. The u… - Samsung C441 error code draft
C441 returns, a breaker trips, or other circuits show power trouble. Tell them the Samsung meaning is: DC-Link… - Samsung C458 error code draft
C458 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: EEPROM data error (… - Samsung C461 error code
C461 means an EEPROM data error (no data) on the outdoor unit - the outdoor board cannot read its stored optio… - Samsung C462 error code draft
C462 GAS LEAK error on an R-32 system. Technician boundary Stop here: refrigerant or sealed-system and compres… - Samsung C463 error code draft
C463 returns. Tell them the code means IPM over-current error. Technician boundary Stop here: compressor and e… - Samsung C464 error code draft
C464 returns or the outdoor unit will not start. Tell them the Samsung meaning is: Compressor starting error. … - Samsung C465 error code draft
C465 returns, the outdoor fan is not running, or the unit shuts down again after cooling. Tell them the code m… - Samsung C466 error code draft
C466 returns, a breaker trips, or other circuits show power trouble. Tell them the Samsung meaning is: PFC ove… - Samsung C467 error code draft
C467 is Prohibit operation condition error (HEATING) - outdoor conditions outside allowed HEATING range. The u… - Samsung C468 error code draft
C468 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Heatsink sensor err… - Samsung C469 error code draft
C469 returns, a breaker trips, or other circuits show power trouble. Tell them the Samsung meaning is: AC inpu… - Samsung C470 error code draft
C470 returns, a breaker trips, or other circuits show power trouble. Tell them the Samsung meaning is: DC-Link… - Samsung C471 error code draft
C471 returns or the outdoor unit will not start. Tell them the Samsung meaning is: Compressor wire missing err… - Samsung C474 error code draft
C474 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Input current senso… - Samsung C483 error code draft
C483 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Outdoor temperature… - Samsung C484 error code draft
C484 returns, a breaker trips, or other circuits show power trouble. Tell them the Samsung meaning is: Over-vo… - Samsung C485 error code draft
C485 returns or the outdoor unit will not start. Tell them the Samsung meaning is: Compressor V_limit / I_limi… - Samsung C488 error code draft
C488 returns, a breaker trips, or other circuits show power trouble. Tell them the Samsung meaning is: AC inpu… - Samsung C500 error code draft
C500 returns after the safe homeowner check. Tell them the exact Samsung code and meaning: Condenser temperatu… - Samsung C554 error code draft
C554 GAS SHORTAGE error on an R-32 system. Technician boundary Stop here: refrigerant or sealed-system and com… - Samsung C574 error code draft
C574 appears or returns after one reset. Tell them the code means EEV or valve close error. Technician boundar…