ErrorFindly

All Samsung Air Conditioner Error Codes — Complete List (2026)

3 error codes1 High2 Medium
E1

Indoor temperature sensor error – the room temperature sensor (thermistor) in the indoor unit is malfunctioning or disconnected

Mediumtemperaturesensor
E2

Indoor evaporator coil temperature sensor error – the sensor monitoring the evaporator (cooling coil) temperature is malfunctioning

Mediumtemperaturesensor
E5

Communication error between indoor and outdoor units – the two units cannot exchange data over the communication wiring

Highcommunicationoutdoor-unit

Samsung air conditioners use error codes to indicate problems with the cooling system, compressor, fans, or sensors. Prompt diagnosis helps prevent further damage and restores comfort quickly. This page lists all 3 Samsung air conditioner error codes with their meanings and repair guides. Common AC issues include refrigerant leaks, frozen evaporator coils, capacitor failures, and thermistor malfunctions.

Most Common Samsung Air Conditioner Problems

E5

Communication error between indoor and outdoor units – the two units cannot exchange data over the communication wiring

Communication error between indoor and outdoor units – the two units cannot exchange data over the communication wiring.

E1

Indoor temperature sensor error – the room temperature sensor (thermistor) in the indoor unit is malfunctioning or disconnected

Indoor temperature sensor error – the room temperature sensor (thermistor) in the indoor unit is malfunctioning or disconnected.

E2

Indoor evaporator coil temperature sensor error – the sensor monitoring the evaporator (cooling coil) temperature is malfunctioning

Indoor evaporator coil temperature sensor error – the sensor monitoring the evaporator (cooling coil) temperature is malfunctioning.

Samsung Air Conditioner Maintenance Tips

  • 1Clean or replace air filters every 1-3 months
  • 2Clear debris from the outdoor unit regularly
  • 3Check the condensate drain line for clogs seasonally
  • 4Keep at least 60cm clearance around the outdoor unit
  • 5Schedule professional maintenance before each cooling season
  • 6Set the thermostat to a consistent temperature to reduce cycling

When to Call a Professional

Always Call a Pro

  • ✖ Refrigerant leak or recharge
  • ✖ Compressor failure
  • ✖ Electrical component repair

Consider Professional Help

  • ⚠ Fan motor replacement
  • ⚠ Capacitor replacement
  • ⚠ Thermistor issues

Safe to DIY

  • ✔ Cleaning or replacing filters
  • ✔ Clearing outdoor unit debris
  • ✔ Checking thermostat settings

Frequently Asked Questions

How many error codes does Samsung Air Conditioner have?
Our database contains 3 Samsung Air Conditioner error codes with detailed meanings, causes, and repair guides. This list is regularly updated as new codes are documented.
What are the most common Samsung Air Conditioner problems?
The most common Samsung Air Conditioner issues include: Refrigerant leak or low charge, Compressor failure or overload, Fan motor failure (indoor or outdoor unit). Most of these can be diagnosed using the error code displayed on the control panel.
Can I fix Samsung Air Conditioner error codes myself?
Many air conditioner errors can be resolved with basic troubleshooting: Clean or replace the air filter (check monthly). Check thermostat settings and battery. However, errors marked as "High" or "Critical" severity typically require professional service.
What does it cost to repair a Samsung Air Conditioner?
Repair costs vary widely depending on the specific issue. Simple fixes like clean or replace the air filter (check monthly) are free. Professional repairs typically range from $100-$400 depending on the part and labor involved. Always get a diagnosis before committing to expensive repairs.
How do I reset my Samsung Air Conditioner error code?
Most Samsung Air Conditioner error codes can be reset by disconnecting the appliance from power for 5 minutes, then reconnecting it. If the error returns after a reset, the underlying issue still needs to be addressed.
How can I prevent Samsung Air Conditioner errors?
Regular maintenance helps prevent most errors: Clean or replace air filters every 1-3 months. Clear debris from the outdoor unit regularly. Check the condensate drain line for clogs seasonally. Following these practices significantly reduces the chance of unexpected error codes.
When should I call a professional for my Samsung Air Conditioner?
Call a certified technician for any error involving: Check refrigerant levels and inspect for leaks; Test compressor and capacitor with proper equipment. Also call immediately if you smell gas, see sparks, or notice water leaking from internal components.

Other Samsung Devices

Cooktop (246)Dishwasher (264)Dryer (255)Microwave (244)Oven (236)Refrigerator (265)Washer (265)