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No operation - Control

Microwave oven will not operate — Control settings incorrect

KitchenAid · Microwave Hood Combination

What does No operation - Control mean?

The microwave oven may not operate if certain control settings, such as Control Lock or Demo Mode, are activated. Incorrect programming or selection can also prevent it from starting.

Common Causes

  • Control Lock is activated
  • Demo Mode is activated (on some models)
  • Control not set properly for desired function

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check that the control is set properly for the desired cooking function.

  2. 2

    Verify that Control Lock is off (look for a padlock icon; if present, touch and hold Cancel for 3 seconds).

  3. 3

    If your model has Demo Mode, ensure it is turned off via the SETUP/CLOCK menu.

  4. 4

    Attempt to re-enter your cooking settings carefully.

Browse all codes in this manual (12)
Verified technical data. Last updated: April 2026

Related Faults

ArcingArcing inside the microwave oven cavityControl Lock2 tones and padlock icon — Control Lock activatedConvection Odor/SmokeOdor and smoke during initial convection cooking cycles
Source: KitchenAid Microwave Hood Combination
Open Manual (Page 6)Search more codes in this manual