F01 — Main Control Board Failure
The main electronic control board (ACU) has detected an internal fault or lost communication with itself. Most often a board issue, occasionally a connection problem.
- Keep using it?
- Limited use only
- DIY difficulty
- Moderate
- Verified against
- kitchenaid.com ↗
How to fix it
- Unplug the dryer for 5 minutes and restore power to attempt a reset.
- Pull the top panel and inspect the ACU for burn marks or loose connectors.
- Reseat all harnesses on the main control board.
- If F01 persists, replace the main control board (ACU).
Why it happens
Typical signs: F01 on display · Dryer will not start · Buttons unresponsive
- Failed main control board (ACU) Burnt traces, blown relay, or processor fault
- Loose harness on the ACU Connector backed out from vibration or service
- Moisture or rodent damage to control Corrosion or chewed wiring at the ACU
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.
- Whirlpool/KitchenAid dryer ACU control board Common replacementAmazon →
More KitchenAid 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: kitchenaid.com.