How do I fix Frigidaire Dishwasher Buttons Not Working - Causes & Fix?

Work through the step-by-step fix below. Start with the quick reset and the most common cause, then check the specific part this guide points to. Most fixes need only basic hand tools and the right replacement part.

Can I keep using my Frigidaire appliance with this error showing?

Usually not. Frigidaire appliances show this error when a part or safety circuit is out of range, so running it can stop the cycle or make the problem worse. Diagnose and clear the error before normal use.

What part is most commonly replaced for Frigidaire Dishwasher Buttons Not Working - Causes & Fix?

The parts that most often fix Frigidaire Dishwasher Buttons Not Working - Causes & Fix are listed in the parts section of this guide. Match the part to your exact model and serial number before you buy.

Is Frigidaire Dishwasher Buttons Not Working - Causes & Fix a DIY repair or do I need a technician?

Many fixes are DIY-friendly with basic tools, such as door switches, drain pumps, water inlet valves, thermostats, heating elements, and filters. Sealed-system, refrigerant, gas, or high-voltage work should go to a licensed technician for safety.

Frigidaire Dishwasher Buttons Not Working - Causes & Fix

Q: What does Frigidaire Dishwasher Buttons Not Working - Causes & Fix mean?

Corroded ribbon cable contacts are the most common cause. Remove the door panel, disconnect the cable, and clean the copper leads with a pencil eraser.

Frigidaire Dishwasher Buttons Not Working — What’s Happening

When your Frigidaire dishwasher buttons stop responding, you’re looking at a functional failure in the control system. The touchpad does not light up, produce sounds, or start cycles when you press Start, Cancel, Delay, or other buttons. This is not tied to a specific error code, though you may see “LOC” if Control Lock is active or “PF” if the unit lost power recently.

Technically, the control board is not receiving valid input signals from the touchpad assembly (the human interface device). The break in communication usually happens at the ribbon cable connection or inside the touchpad itself. Steam and moisture from wash cycles migrate into the door panel over time, corroding the copper contacts on the ribbon cable and causing intermittent or total button failure.

Jump to Fix

Most Likely Causes

Corroded or dirty ribbon cable contacts Steam and moisture cause corrosion on the copper leads of the ribbon cable connecting the touchpad to the control board, blocking signal transmission.
Failed touchpad assembly The capacitive sensors inside the touchpad degrade over time, especially if buttons light up but do not register presses.
Control Lock (Child Lock) activated The user held the Start and Cancel buttons for 3 to 5 seconds, locking the controls and making buttons appear dead.
Loose or damaged ribbon cable Physical damage like hairline cracks or a loose connection at the board terminal interrupts the signal path.
Main control board failure The board fails to send voltage to the touchpad or cannot process input signals, though this is less common than ribbon cable issues.
Software glitch from power surge A temporary fault in the control board’s memory can freeze input processing until the unit is fully reset.

How to Diagnose and Fix

Check if Control Lock is active by pressing and holding the Start and Cancel buttons together for 3 to 5 seconds, looking for the “LOC” code or lock icon to disappear.
Perform a power reset by unplugging the dishwasher or flipping the circuit breaker off for 10 minutes, then restore power and test the buttons.
Remove the inner door panel by unscrewing the torx or Phillips screws around the perimeter to access the touchpad and control board.
Disconnect the ribbon cable from the main control board and inspect the copper contacts on both the cable and the board connector for black or green corrosion.
Clean the ribbon cable contacts by gently rubbing them with a pencil eraser, then rub the eraser on denim to remove debris and wipe the contacts with a lint-free cloth.
Clean the board connector with isopropyl alcohol if you see any corrosion, then reconnect the ribbon cable firmly and reassemble the door panel.
If buttons still do not respond after cleaning, disconnect the ribbon cable again and test the touchpad by checking for continuity or replace the touchpad assembly.
If a new touchpad does not resolve the issue, replace the main control board as the final step.

Parts You Might Need

Part	Notes
Dishwasher touchpad assembly	Amazon \| The interface panel with capacitive buttons, specific to your Frigidaire model number.
Dishwasher main control board	Amazon \| Also called the electronic control board, located behind the touchpad inside the door.
Ribbon cable	Amazon \| Flat connector cable between touchpad and control board, sometimes sold separately or included with touchpad.

If your appliance also shows a code on the display, these match this problem:

When to Call a Pro

Call a technician if you are uncomfortable removing the door panel or working near electrical components. If cleaning the ribbon cable and replacing the touchpad do not restore function, the control board may need diagnosis with a multimeter to confirm voltage output and signal processing. A pro can also identify if moisture intrusion is a recurring issue that requires sealing or vent modification to prevent future corrosion.