Whirlpool dryer error F4E3
F4E3 means airflow through the dryer's exhaust is restricted — the lint screen or the vent duct is clogged, crushed, kinked, or has too many turns.
Also shows as F4 E3
Symptom
F4E3
Free checks
6 checks
Most likely cause
Lint screen clogged with lint
The 6 free checks
Start at the top. Unplug the machine first.
- 01
Clean the lint screen.
- 02
Check whether the vent run from the dryer to the wall is crushed or kinked.
- 03
Confirm the vent run from the dryer to the wall is free of lint and debris.
- 04
Confirm the exterior vent exhaust hood is free of lint and debris.
- 05
Confirm the vent system's run length and number of elbows fall within the limits for the vent type used, per the installation instructions.
- 06
Select a Timed Dry heated cycle and restart the dryer.
What causes it
Listed most likely first.
| Cause | How often | DIY |
|---|---|---|
| Lint screen clogged with lint | Most common | Yes |
| Vent duct restricted — clogged with lint, crushed, kinked, or with too many elbows for its vent type | Common | Yes |
If none of that fixed it
If F4E3 persists, have the entire home venting run professionally cleaned by a venting specialist.