What's Happening

The dryer detected blocked airflow or excessive exhaust heat. Lint buildup in the vent system is the primary cause. This is a fire safety warning.

How to Fix It

Clean the lint filter and the entire exhaust duct from dryer to exterior. Check the outdoor vent flap. Address this immediately.

Frequently Asked Questions
What does E3 mean on a GE dryer?
E3 means restricted airflow from a blocked vent. This is a fire safety warning.
Is E3 dangerous?
Yes. Blocked vents cause dryer fires. Stop using the dryer and clean the entire vent system before resuming.
How often should I clean my dryer vent?
Lint filter after every load. Full vent duct cleaning at least annually.