F72 through F78 — Whirlpool Dryer F72-F78 — User Interface Diagnostic Codes
Range of related user-interface diagnostic codes. Each indicates a specific UI fault detected by the main control — generally pointing at the user interface board or its harness.
- Keep using it?
- Limited use only
- DIY difficulty
- Moderate
- Verified against
- producthelp.whirlpool.com ↗
How to fix it
- Power-cycle at the breaker for 5 minutes; restore and try a Timed Dry.
- If code persists, unplug the dryer, open the console, and reseat the UI-to-main-board harness.
- Replace the user interface control board.
- If still posting an F7x code after a new UI, replace the main control board.
Why it happens
Typical signs: F72, F73, F74, F75, F76, F77, or F78 on display · Console unresponsive or partly working · Cycle won't start
- Failed user interface board Any of these codes typically end up needing the UI board replaced.
- Loose / damaged UI harness Connector between UI and main control has worked loose or been damaged.
- Firmware glitch Sometimes clears with a hard power-cycle.
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.
- User interface control board Common replacementAmazon →
More Whirlpool 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: producthelp.whirlpool.com.