Error code · Dehumidifier

Frigidaire FHDD5034Y1 Dehumidifier Code LC: Control Lock Turned on

Low risk · DIY check OK

Code: LC
Appliance: Dehumidifier
Brand: Frigidaire
Warranty: 30-day workmanship

What LC means

On the Frigidaire FHDD5034Y1 dehumidifier family, LC means the control lock is on. When you hold the ON/OFF and Mode buttons for five seconds, the panel locks and the display shows LC for five seconds. While locked, button presses are ignored, which can look like a broken control. It is a status message, not a failure, and the unit keeps running as it was set.

Common causes of LC

The control lock was turned on, perhaps by accident
Buttons pressed together by a child or while cleaning

✓ One safe check you can try

1. Hold the ON/OFF and Mode buttons together for five seconds. 2. Watch the display for the lock message to clear. 3. Press a button to confirm the panel responds again. 4. If the panel does not respond, unplug the unit for a minute and try again.

! Why to stop there

If the lock will not release, the keypad itself may be failing and we would test it.
A unit that ignores buttons for another reason can look like a lock, so we confirm which one you have.
No repair is needed when the lock clears normally.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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LCLC questions

Is LC a problem?

No. It means the control panel is locked so the settings cannot be changed by accident. Hold the two buttons for five seconds to unlock it.

Which buttons unlock the panel?

Hold ON/OFF and Mode together for five seconds. The same combination locks and unlocks the panel, so you may have turned it on by pressing them together earlier.

The buttons still do nothing after unlocking. What next?

Unplug the unit for a minute and try again. If the panel still does not respond, the keypad or control needs testing, which we can do at your home.

Book a visit

Still unsure about LC?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 844-8518