Frigidaire · Air conditioners
Frigidaire air conditioner ES: The indoor defrost or humidity sensor reports a fault, depending on model
THE SHORT ANSWER
The indoor defrost or humidity sensor reports a fault, depending on model.
Frigidaire identifies ES with this condition: The indoor defrost or humidity sensor reports a fault, depending on model.
Record ES and the air conditioner’s full model number before resetting it.
Do not open the casing, test live circuits or work on refrigerant components.
WHAT YOU MAY NOTICE
Symptoms to record
- ES appears on the appliance display.
WORK THROUGH THE BASICS
Safe troubleshooting checks
Use the checkboxes to keep track as you read. Stop at any warning or step that does not match your appliance.
Unplug the unit for up to 30 seconds, then reconnect it.
What to noteThe control restarts.
If ES returns, contact Frigidaire support rather than repeatedly clearing it.
What to noteThe affected condition is assessed.
YOUR NEXT DECISION
When to stop and get help
Arrange service if ES persists or returns after the documented owner check.
THE EVIDENCE
Sources & verification
Our explanations are editorial summaries of the documentation below. They do not replace the instructions for your exact appliance.
- Room Air Conditioners - Error Code ES
Frigidaire · Manufacturer support · Checked
Code-specific explanation and owner troubleshooting — Frigidaire room air conditioners covered by the specific code support article.