Display shows 4U and the unit may not respond to certain cycle selections.

Safety first: Unplug the appliance before accessing control components.

Steps to attempt correction:

• Cancel and reset: Press and hold the Start/Pause or Cancel button (per user manual) to clear the current selection. Then unplug for 2–3 minutes and reconnect.
• Simplify cycle selection: Choose a basic cycle (e.g., Normal wash only) with default options to see if the error clears.
• Factory reset (if available): Follow the user manual procedure to restore factory settings on the GE Profile UltraFast control.
• Inspect control board: If 4U persists, remove the top panel and inspect the main control board for damage. Replacement may be required.

Software-related faults often require control board replacement or firmware update by an authorized service provider.