Keurig Control Board Problems: What to Check Before Service

What Keurig Says About the Control Board

Nothing. No Keurig Use & Care Guide we've read mentions a control board, a board test or a replacement. The K-Mini guide puts it plainly: "Beyond these recommended cleaning and maintenance procedures, this brewer is not user serviceable." The warranty also excludes service by anyone other than Keurig or its authorized providers.

The guides do cover most of what looks like a failed board: auto off, an overloaded circuit, the ADD WATER warning, a handle that isn't down, and a few light patterns that mean "contact Customer Service". Rule those out first. If it's still misbehaving after that, contact Keurig Customer Service.

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Before You Start

• Note what it does: no power at all, power but won't brew, or a specific light pattern.
• Note your model. Auto off, light patterns and resets differ by model.
• Don't open the brewer. There's no owner access to the electronics.

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Tools and Parts

None. The guides list no board, part number or test. For a K-Supreme SMART: "For replacement parts, please visit www.keurig.com."

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Step 1: Rule Out Auto Off

A brewer that switches itself off is usually on a timer:

Press the power button to restart. On the K-Supreme SMART, press any button or lift the handle.

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Step 2: Give It Its Own Outlet

Every guide's "Brewer Does Not Have Power or Shuts Off" row says the same thing:

1. Make sure the power button is on.
2. Plug the brewer into its own grounded outlet. "If the electric circuit is overloaded with other appliances, your brewer may not function properly."
3. If it still has no power, contact Customer Service.

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Step 3: Check the Handle and the Water

"Brewer Will Not Brew" rows:

• Push the handle down securely after loading the pod.
• ADD WATER on: fill to the MAX line, not beyond, and seat the reservoir properly. SMART: add at least 6 oz, then 2 oz more if needed, and press BREW. If the warning stays on after refilling, contact Customer Service.

Time: 2 minutes
Difficulty: Easy

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Step 4: Read the Lights That Mean "Not Brewing"

Only two light patterns in the guides mean the brewer is refusing to brew:

• K-Elite, 4, 6, 8, 10, 12oz and ICED all lit at once: lift the handle, remove any pod, close the handle, place a large mug, press power once. "The brewer may dispense hot water."
• K-Duo Plus and K-Duo Essentials Gen 2, all buttons blinking together: "contact Customer Service".

On the K-Supreme, the 4 size buttons blinking just means it's waiting for you to choose a size.

More: Keurig error codes and lights.

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Step 5: SMART Brewers Only — Settings and Factory Reset

The K-Supreme SMART and K-Café SMART have a Settings menu. With the brewer on, press both arrows together:

• Brewer Information shows the installed software version.
• Factory Reset "Resets to the original manufactured state."

The guides don't offer Factory Reset as a fix for any specific fault. The non-SMART brewers have no reset combination in their guides.

More: K-Supreme SMART software updates.

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When It's a Repair

Contact Keurig Customer Service if:

• the brewer has no power on its own grounded outlet
• ADD WATER stays on with a full, seated reservoir
• the K-Duo's buttons all blink together
• it brews a partial cup after two full descales

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FAQ

How do I know if my Keurig control board is bad?

The guides give no test. Check auto off, a dedicated outlet, the handle and the water first. If it still has no power or won't brew, Customer Service has to diagnose it.

Can I replace a Keurig control board myself?

The guides say the brewer isn't user serviceable beyond cleaning and maintenance. Service by anyone other than Keurig isn't covered by the warranty.

Is there a reset button combination for a Keurig?

Not on the non-SMART brewers we've read guides for. The SMART brewers have a Factory Reset in their Settings menu.

Why does my Keurig turn off by itself?

Usually auto off: 90 seconds on the K-Mini, 5 minutes on the K-Slim, K-Express and K-Supreme family, 2 hours by default on the K-Elite.

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Related Keurig Guides

• Keurig Won't Turn On?
• Keurig Add Water Light Won't Turn Off?
• Keurig Heating Element: What You Can Check
• Keurig Water Pump Guide

Sources: Keurig Use & Care Guides for the K-Mini, K-Slim, K-Express, K-Supreme, K-Supreme Plus, K-Supreme SMART, K-Café SMART, K-Elite and K-Duo models.