How to Fix Maytag Dryer Error F78

Written by

⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: F78 Difficulty: Moderate

Problem: User Interface Control Assembly Failure

How to Fix F78 Error

This code indicates a user interface failure. Disconnect the dryer from power.
Remove the top panel of the dryer.
Locate the user interface assembly, disconnect its wiring, and remove it from its housing.
Install the new user interface assembly, reconnect the wire harnesses, and reassemble the dryer.

OEM Part #: Model Specific (User Interface Assembly)

Estimated Market Price: N/A

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

Get the ‘Secret Service Mode’ Cheat Sheet for your Maytag model. Includes an easy-to-read list of every error code and quick diagnostic tips.

✅ Join 15,000+ DIYers • Instant PDF Download

Appliance Type

Appliance Age

Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

Is it under warranty?

More options (for a better recommendation)

Brand

Your DIY Skill Level

EPA Section 608 Certified Technician with 18+ years experience.

Browse all Maytag error codes: Maytag Error Codes