KitchenAid Over-the-Range Microwave Message "Demo Mode": dOn and dOff

What Demo Mode means

On KitchenAid over-the-range microwaves like the KMHS120ESS, KMHC319ESS, KMLS311HSS or KHMS155LSS, demo mode is a showroom setting. When it is turned on or off, the display briefly shows "dOn" or "dOff". While demo mode is active, the microwave can show its lights and display without actually heating. If your oven is not heating but looks normal, check this first.

Common causes of Demo Mode

Demo mode was switched on by accident
Someone pressed the demo key sequence while cleaning the panel
The unit came from a showroom with demo mode left on

✓ One safe check you can try

1. Look at the display; if it shows dOn, the oven is in demo mode. 2. Use the same key sequence that turns it on to turn it off, and wait for dOff. 3. Cancel and run a one-minute test with a cup of water. 4. If heating returns, no repair is needed. If you cannot switch it off, call us.

! Why to stop there

It is a setting, not a broken part, so a repair is not needed
We can walk you through it by phone or confirm on a visit
A written price is given before any work

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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Other Microwave codes

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Demo ModeDemo Mode questions

Why does my microwave not heat even though everything lights up?

Demo mode runs the display and fan for showroom use while keeping the heating off. A "dOn" message when the setting changes is the clue.

How do I know demo mode is off?

The display shows "dOff" briefly after you turn it off. Run a cup of water for a minute; it should get warm.

Can I turn demo mode on by touching the pad?

Yes, a particular key sequence activates it. Wiping the panel and pressing pads by accident can do it.

KitchenAid Over-the-Range Microwave Message “Demo Mode”: dOn and dOff

What Demo Mode means

Common causes of Demo Mode

Other Microwave codes

Still unsure about Demo Mode?