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Letter + Number

Display shows a letter followed by a number — Error indicator

KitchenAid · Microwave Hood Combination

What does Letter + Number mean?

The display shows an alphanumeric code, indicating a specific internal error with the microwave oven. This type of error usually requires professional diagnosis and may signal a component malfunction.

Common Causes

  • Internal system malfunction
  • Component failure

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Note down the exact letter and number displayed on the screen.

  2. 2

    Attempt to unplug the microwave oven from the wall outlet for 30 seconds, then plug it back in.

  3. 3

    If the error persists after resetting, contact customer service for assistance.

  4. 4

    Provide customer service with the exact error code you observed; do not attempt internal repairs yourself.

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