F1E2 — Incompatible or Failed Control Board
The control board firmware does not match the model, or the board has failed internal self-check. Often appears right after a board replacement with the wrong part number.
- Keep using it?
- Limited use only
- DIY difficulty
- Moderate
- Verified against
- applianceaid.com ↗
How to fix it
- Power cycle the dishwasher at the breaker for 5 minutes.
- If a board was recently replaced, verify the W-number on the board matches the part lookup for your full model number.
- Order the correct control board for your exact model number and install.
- Restore power and run a Normal cycle to verify.
Why it happens
Typical signs: F1E2 on display · Dishwasher will not start · Code returns immediately after power cycle
- Wrong replacement control board installed Boards look identical across models but firmware is keyed to the model number.
- Failed electronic control board Internal memory/EEPROM error on the existing board.
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 dishwasher electronic control board (model-specific) Common replacementAmazon →
More Whirlpool dishwasher 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: applianceaid.com.