F01 — Main Control Board Fault
The main electronic control board (ACU) has detected an internal fault or lost communication with itself. The dryer will typically not start or will stop mid-cycle.
- Keep using it?
- Limited use only
- DIY difficulty
- Moderate
- Verified against
- maytag.com ↗
How to fix it
- Unplug the dryer for 5 minutes to attempt a hard reset, then restore power.
- If the code returns, unplug again and access the control board (usually behind the top panel).
- Reseat all wire harness connectors on the ACU and the user interface board.
- Inspect the board for burn marks, swollen capacitors, or corrosion.
- If physically damaged or the code persists after reseating, replace the main control board (ACU).
- After replacement, run a test cycle to confirm operation.
Why it happens
Typical signs: Dryer won't start · Display shows F01 · Cycle stops unexpectedly · Buttons unresponsive
- Failed main control board (ACU) Internal component failure on the control board is the most common cause.
- Power surge damage A lightning strike or surge can corrupt or damage the board.
- Loose ribbon cable to user interface Communication harness between UI and ACU is loose or damaged.
- Moisture intrusion Condensation on the board from a damp laundry room.
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
- Maytag dryer main control board (ACU) Common replacementAmazon →
More Maytag dryer codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: maytag.com.