CodeRegistry
Brands
  1. Home
  2. KitchenAid
  3. Microwave Hood Combination
  4. No operation - Fuse/Breaker
About·Privacy·Terms

CodeRegistry — Your global library for technical solutions.

For your safety: always follow the equipment manufacturer’s official manuals. CodeRegistry is an independent help site and is not affiliated with the brands listed here.

No operation - Fuse/Breaker

Microwave oven will not operate — Household fuse blown or circuit breaker tripped

KitchenAid · Microwave Hood Combination

What does No operation - Fuse/Breaker mean?

The microwave is not receiving power because a household fuse has blown or a circuit breaker has tripped. This is a common electrical safety mechanism to protect your home's wiring.

Common Causes

  • Household fuse has blown
  • Circuit breaker has tripped
  • Power surge or overloaded circuit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check your home's electrical panel for any tripped circuit breakers.

  2. 2

    If a breaker is tripped, flip it completely off, then firmly back to the 'on' position.

  3. 3

    If a household fuse is blown, replace it with a new fuse of the correct amperage.

  4. 4

    If the problem continues, contact a qualified electrician to inspect your electrical supply.

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