Samsung Gen 6 Fault Code List.pdf Energy Lab
52 fault codes documented
Display 101 — Wire connection error
This error indicates a problem with the wire connection between the control kit and the outdoor unit.
Display 120 — Zone 2 room temperature sensor error
This error appears when the room thermostat is used and detects a short or open circuit with the Zone 2 indoor unit's temperature sensor.
Display 121 — Zone 1 room temperature sensor error
This error appears when the room thermostat is used and detects a short or open circuit with the Zone 1 indoor unit's temperature sensor.
Display 162 — EEPROM Error
This error indicates a problem with the EEPROM, which stores important unit settings and data. This could affect unit operation.
Display 198 — Terminal Block Thermal Fuse Open Error
This error means the thermal fuse in the terminal block has tripped or blown, likely due to overheating.
Display 201 — Communication Error (Matching)
This error signifies a communication issue between the control kit and the outdoor unit, often related to initial setup or matching.
Display 202 — Communication Error (3 min)
This error indicates a communication failure between the control kit and the outdoor unit that has lasted for 3 minutes.
Display 203 — Communication Error (6 min)
This error indicates a communication failure between the INVERTER and the MAIN MICOM that has lasted for 6 minutes.
Display 221 — Outdoor Unit Temperature Sensor Error
This error points to a problem with the temperature sensor located in the outdoor unit.
Display 231 — Condenser Temperature Sensor Error
This error indicates a malfunction with the temperature sensor that monitors the condenser's temperature.
Display 251 — Discharge Temperature Sensor Error
This error signifies a problem with the temperature sensor that measures the discharge temperature.
Display 320 — OLP Sensor Error
This error relates to the OLP (Over Load Protector) sensor, indicating it is not functioning correctly.
Display 403 — Compressor Freezing Detected (Cooling)
During cooling operation, this error indicates that the outdoor unit's compressor has frozen.
Display 404 — Outdoor Unit Overload Protection
This error indicates the outdoor unit has become overloaded during safety start or normal operation, triggering protection.
Display 407 — Compressor Down due to High Pressure
This error means the compressor has shut down because the system pressure has become too high.
Display 416 — Compressor Overheated
This error indicates that the compressor has overheated and shut down to prevent damage.
Display 425 — Power Source Line Missing Error (3-Phase Model)
This error is specific to 3-phase models and indicates that one of the power source lines is missing or not connected.
Display 440 — Heating Blocked (Outdoor Temp > 35°C)
Heating operation is blocked because the outdoor temperature is too high (above 35°C).
Display 441 — Cooling Blocked (Outdoor Temp < 9°C)
Cooling operation is blocked because the outdoor temperature is too low (below 9°C).
Display 458 — Outdoor Unit Fan 1 Error
This error indicates a malfunction with the first fan in the outdoor unit.
Display 461 — [Inverter] Compressor Startup Error
The inverter system is reporting an error during the compressor's startup sequence.
Display 462 — [Inverter] Total Current Error / PFC Over Current Error
This error signifies that the total current or the Power Factor Correction (PFC) circuit has exceeded its operational limit.
Display 463 — OLP Overheated
The Over Load Protector (OLP) has overheated, indicating a potential issue within the system.
Display 464 — [Inverter] IPM Over Current Error
The Intelligent Power Module (IPM) within the inverter has detected an over current condition.
Display 465 — Compressor V Limit Error
This error indicates that the voltage limit for the compressor has been exceeded.
Display 466 — DC LINK Over/Low Voltage Error
The voltage in the DC link circuit of the inverter is either too high or too low.
Display 467 — [Inverter] Compressor Rotation Error
The inverter is detecting an error related to the compressor's rotation.
Display 468 — [Inverter] Current Sensor Error
This error indicates a problem with the current sensor within the inverter system.
Display 469 — [Inverter] DC LINK Voltage Sensor Error
This error indicates a malfunction with the sensor that monitors the DC link voltage in the inverter.
Display 470 — Outdoor Unit EEPROM Read/Write Error
This error indicates a problem reading from or writing to the outdoor unit's EEPROM memory.
Display 471 — Outdoor Unit EEPROM Read/Write Error (OTP)
This error is a specific type of EEPROM read/write failure, possibly related to One-Time Programmable (OTP) data.
Display 474 — IPM or PFCM Temperature Sensor Error
This error indicates a problem with the temperature sensor associated with the IPM (Intelligent Power Module) or PFCM (Power Factor Correction Module).
Display 475 — Outdoor Unit Fan 2 Error
This error indicates a malfunction with the second fan in the outdoor unit.
Display 484 — PFC Overload Error
The Power Factor Correction (PFC) circuit has experienced an overload condition.
Display 485 — Input Current Sensor Error
This error indicates a problem with the sensor that measures the input current to the unit.
Display 500 — IPM Overheated
The Intelligent Power Module (IPM) has overheated, potentially causing system shutdown.
Display 554 — Gas Leak Error
This error code indicates that a refrigerant gas leak has been detected within the system.
Display 601 — Communication Error (Control Kit to Wired Remote)
This error signifies a communication failure between the control kit and the wired remote controller.
Display 602 — Wired Remote Controller Master/Slave Setting Error
This error occurs when there is an issue with the master/slave configuration of the wired remote controllers.
Display 604 — Communication Tracking Error (Control Kit to Wired Remote)
This error indicates a problem with the communication tracking between the control kit and the wired remote controller.
Display 607 — Communication Error (Master to Slave Remote)
This error indicates a communication failure between a master wired remote controller and a slave wired remote controller.
Display 899 — Zone 1 Water-Out Temperature Sensor Error
This error indicates a short or open circuit in the temperature sensor for Zone 1's water outlet.
Display 900 — Zone 2 Water-Out Temperature Sensor Error
This error indicates a short or open circuit in the temperature sensor for Zone 2's water outlet.
Display 901 — Water Inlet (PHE) Temperature Sensor Error
This error signifies a short or open circuit with the temperature sensor at the water inlet of the Plate Heat Exchanger (PHE).
Display 902 — Water Outlet (PHE) Temperature Sensor Error
This error indicates a short or open circuit with the temperature sensor at the water outlet of the Plate Heat Exchanger (PHE).
Display 903 — Water Outlet (Backup Heater) Temperature Sensor Error
This error indicates a problem with the temperature sensor for the water outlet of the backup heater.
Display 904 — DHW Tank Temperature Sensor Error
This error indicates a malfunction with the temperature sensor for the Domestic Hot Water (DHW) tank.
Display 906 — Outdoor Evaporator Inlet Temperature Sensor Error
This error points to a short or open circuit in the temperature sensor at the inlet of the outdoor unit's evaporator.
Display 911 — Low Flow Rate Error
This error indicates a low water flow rate was detected for an extended period, either during startup or normal operation while the pump is active.
Display 912 — Normal Flow Rate Error
This error occurs when a normal flow rate is not maintained for 10 minutes while the water pump signal is OFF.
Display 916 — Mixing Valve Temperature Sensor Error
This error signifies a short or open circuit with the temperature sensor for the mixing valve.
Display 919 — Disinfection Operation Temperature Error
This error occurs if the set temperature for disinfection is not reached, or if the temperature drops after reaching the set point during the disinfection cycle.