KitchenAid Countertop Microwave Display Flashing 0:00: The clock lost power

What Flashing 0:00 means

On KitchenAid countertop microwaves such as the KCMS1555SSS or KCMS1655BSS, a flashing 0:00 simply means power was interrupted at some point. The clock lost its setting. It is not a breakdown. To set the time, the microwave must be on standby. Press the Timer/Clock button for three seconds and then enter the current time. It usually follows a storm, a tripped breaker, or unplugging for cleaning.

Common causes of Flashing 0:00

Power outage or brief interruption
Unplugging the microwave or tripping a breaker
Clock simply never set after installation

✓ One safe check you can try

1. Make sure the microwave is on standby with the door closed and nothing running. 2. Press and hold the Timer/Clock button for about three seconds. 3. Enter the current time with the number keys and confirm. 4. If the display keeps going back to 0:00 without any outage, check the outlet and call us if it persists.

! Why to stop there

A flashing clock after an outage needs no repair.
Repeated resets without an outage point to a power supply issue at the outlet or in the unit.
We only visit when the cause is not simply a lost clock.

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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Flashing 0:00Flashing 0:00 questions

Is a flashing 0:00 a warning?

No. It tells you power was cut and the clock needs setting. Cooking still works in most cases, so you can set the time and carry on.

Why does mine reset every day?

That suggests something is cutting power, such as a loose plug, a shared outlet or a breaker trip. If the outlet is fine, call us to inspect the microwave.

Do I need to reprogram anything else?

Only the clock. The microwave does not need a reinstall after an outage, but check any saved settings you use. Only the clock needs setting after an outage; nothing else on your microwave needs reprogramming.