AC Error Codes → Samsung
Samsung AC Error Codes — Complete List & Fixes
Samsung split ACs show E-codes on the indoor display. Many models also blink LED combinations that map to the same codes.
15 codes explained · DIY checks included · Same-day Samsung AC repair in Ahmedabad
👆 Select your AC brand and type the code shown on your AC display or remote
All Samsung AC Error Codes
Indoor-outdoor communication error
Likely causes: Wiring fault, PCB failure
What to do: Restart at the MCB; if the error returns, wiring needs inspection.
📱 Book Same-Day Repair for E101Indoor room temperature sensor fault
Likely causes: Thermistor open/short
What to do: Quick sensor replacement.
📱 Book Same-Day Repair for E121Indoor evaporator (coil) sensor fault
Likely causes: Coil thermistor failure
What to do: Sensor replacement by technician.
📱 Book Same-Day Repair for E122Indoor fan motor error
Likely causes: Blower jam or motor failure
What to do: Switch off and book a repair.
📱 Book Same-Day Repair for E154Indoor EEPROM error
Likely causes: PCB memory fault
What to do: PCB repair/replacement.
📱 Book Same-Day Repair for E162Communication timeout (outdoor not responding)
Likely causes: Power issue at outdoor unit, cable fault
What to do: Check the outdoor unit has power; then book an inspection.
📱 Book Same-Day Repair for E201Outdoor air temperature sensor fault
Likely causes: Ambient thermistor failure
What to do: Sensor replacement at outdoor unit.
📱 Book Same-Day Repair for E221Outdoor condenser sensor fault
Likely causes: Condenser thermistor failure
What to do: Sensor replacement at outdoor unit.
📱 Book Same-Day Repair for E231Compressor discharge sensor fault
Likely causes: Discharge thermistor failure
What to do: Needs sensor replacement to protect the compressor.
📱 Book Same-Day Repair for E251Discharge temperature overheat
Likely causes: Low gas, blocked condenser
What to do: Clean the outdoor unit; if it repeats, gas pressure needs checking.
📱 Book Same-Day Repair for E416Outdoor fan motor error
Likely causes: Fan obstruction or motor failure
What to do: Check for obstructions; otherwise motor replacement.
📱 Book Same-Day Repair for E458Compressor startup failure
Likely causes: Inverter or compressor fault, low voltage
What to do: Switch off and call for service.
📱 Book Same-Day Repair for E461IPM overcurrent protection
Likely causes: Power module or compressor fault
What to do: Switch off the AC and book an inspection.
📱 Book Same-Day Repair for E464DC link voltage error
Likely causes: Mains voltage fluctuation, inverter board fault
What to do: Check supply with a stabilizer; otherwise board diagnosis.
📱 Book Same-Day Repair for E466Refrigerant gas leak detected
Likely causes: Leak in coil or piping
What to do: Leak repair + regas needed — topping up alone will not last.
📱 Book Same-Day Repair for E554Disclaimer: error codes can vary by model and year. This guide covers the most common Samsung split AC codes in India. When in doubt, send us a photo of your AC display on WhatsApp — diagnosis advice is free.
Other Brand Error Codes
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