AF or F4E3 on a Maytag dryer means restricted airflow — a clogged lint screen or a crushed, kinked vent — and is the one code most worth checking yourself before calling anyone. L2 points to low or no line voltage reaching the dryer, PF just means a power failure interrupted the cycle, and any other code alternating between an F-number and an E-number means Maytag’s own documentation calls for service.
The documented code list
| Code | What Maytag’s official documentation says it means |
|---|---|
| AF or F4E3 | Restricted airflow — the lint screen or vent is clogged, or the vent is crushed, kinked, or has too many turns |
| L2 | Low or no line voltage — a problem with your home’s power supply is keeping the heater from turning on |
| PF | Power failure — the drying cycle was interrupted by a loss of power |
| Any F# alternating with E# | The dryer control has detected a problem that requires service |
AF / F4E3: Restricted airflow
- Clean the lint screen fully
Even a screen that does not look heavily loaded can be enough to trigger this code — a fine film of lint restricts airflow more than it appears to.
- Check the full exhaust vent run
Look for crushed sections, sharp kinks, or a run with more bends than the vent is rated for — each additional turn adds resistance the airflow sensor can detect.
- Check the exterior vent termination
Confirm the outside flap is not blocked by lint buildup, debris, or (seasonally) snow.
L2: Low or no line voltage
This code points away from the dryer itself and toward the home’s power supply — specifically, whatever is feeding the heater circuit. Since electric dryers typically run on a 240V circuit split across two hot legs, a problem with just one leg (a failing breaker, a loose connection at the panel) can produce exactly this symptom: the drum tumbles, but there is no heat. This is worth having an electrician check rather than replacing dryer parts.
PF: Power failure
This is the simplest code on the list — it just means the drying cycle was interrupted by a loss of power, not a fault with the machine. Restart the cycle from where it left off, or from the beginning if the load needs it.
F# E#: Service-required faults
Maytag’s own documentation is direct about this category: any code that alternates between an F-number and an E-number on the display means the control board has detected an internal problem that needs professional service. Maytag does not publish a full breakdown of what each specific F#/E# combination individually means for consumer self-diagnosis — the documented response is the same regardless of the exact numbers shown.
When to call for service
For any F# E# combination, write down the exact code shown before contacting Maytag support or scheduling service — it speeds up diagnosis even though the code itself is not published for self-repair. Maytag’s own support pages point to Contact Us or Schedule Service Online for these.
