Author: ApplianceFixGuide Team

Problem: No Communication (ECB ↔ UICB)

How to Fix F71 Error

1. Disconnect the dryer from power.
2. This is a critical communication failure between the main control board (ECB) and the user interface (UICB).
3. Access the control boards by removing the top panel.
4. Carefully inspect and reseat the wire harness connecting the two boards.
5. If the connection is secure and the error persists, the main control board has failed and must be replaced.

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Browse all Maytag error codes: Maytag Error Codes

Problem: User Interface Control Assembly Failure

How to Fix F72 Error

1. Disconnect the dryer from power.
2. This error code specifically points to a failure in the user interface control assembly.
3. Remove the top panel to access the user interface.
4. Disconnect the wire harness(es) from the old interface board.
5. Remove the screws or release the clips holding the assembly in place.
6. Install the new user interface assembly, reconnect the wiring, and reassemble the dryer.

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Problem: User Interface Control Assembly Failure

How to Fix F74 Error

1. This is another code indicating a user interface failure. Disconnect the dryer from power.
2. Remove the top panel to get access to the control area.
3. The user interface is the component with the buttons and display. Disconnect its wire harnesses.
4. Replace the old user interface assembly with the new part.
5. Reconnect the wiring, secure the new assembly, and reattach the top panel.

Browse all Maytag error codes: Maytag Error Codes

Problem: User Interface Control Assembly Failure

How to Fix F75 Error

1. This code points to a user interface failure. Disconnect the dryer from power.
2. Access the control panel area by removing the dryer’s top panel.
3. Disconnect the wiring from the existing user interface board.
4. Remove the faulty user interface assembly and install the new one.
5. Reconnect all wiring and reassemble the dryer.

Browse all Maytag error codes: Maytag Error Codes

Problem: User Interface Control Assembly Failure

How to Fix F77 Error

1. This is a user interface failure code. Disconnect the dryer from power.
2. Remove the top panel to access the user interface control.
3. Carefully disconnect the wire harnesses attached to the board.
4. Replace the entire user interface assembly.
5. Reconnect the wires and reassemble the dryer.

Browse all Maytag error codes: Maytag Error Codes

Problem: User Interface Control Assembly Failure

How to Fix F78 Error

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

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Problem: Control Lock (Child Lock) Active

How to Fix LOC Error

1. The Control Lock feature has been activated. This prevents accidental button presses.
2. To deactivate, find the button labeled ‘Control Lock’ or with a lock icon.
3. Press and hold this button for 3-5 seconds until the ‘LOC’ message disappears from the screen.

Browse all Maytag error codes: Maytag Error Codes