ERROR CODE EXPLAINED
Frigidaire Room Air Conditioner
Frigidaire Room Air Conditioner ES Error Code
What it means
The air conditioner detected an indoor defrost thermistor or humidity sensor failure.
Try this first
- Turn the air conditioner off.
- Unplug the unit for up to 30 seconds.
- Plug the unit back in.
- Check whether ES returns.
Can I keep using it?⚠ Sensor operation may be affected
Repair usually required?⚠ Service may be required
If the error keeps returning
If ES returns after the reset, Frigidaire recommends additional support.
Official source
Troubleshooting information verified against manufacturer support documentation.
View manufacturer support page →Safety note:ApplianceSignal provides general troubleshooting information. Always follow the appliance manufacturer's safety instructions and disconnect power when required.