Kenmore microwave won't start — what do I tell the resident?
Commonly a door-switch fault, a blown fuse, or a control-board issue.
Show us the microwave.
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In the next five minutes
Safe first steps, before the call. Nothing here needs a tool.
Stop the microwave and switch off its breaker, or unplug it if the plug is dry and easy to reach.
Take a photo of the microwave and any code on the display, without opening anything.
Don’t use it again until it’s checked, and keep people away from it.
Everything else about this problem
Is it an emergency?
Is a Kenmore microwave that won't start an emergency?
Usually not, but it can be. Because this can be an emergency, leave it off and get it checked; don't reset it or turn it back on. Stop and call a pro if it keeps tripping the breaker or smells like burning.
If you manage this unit
Ask the resident
- Has its breaker tripped? If it has, leave it off; don't reset it.
- Is any burning smell coming from it?
Who to call
An appliance technician A tripped breaker goes to an electrician.
Symptoms & causes
Commonly a door-switch fault, a blown fuse, or a control-board issue.
If your Kenmore microwave is completely dead, showing no display or response to any buttons, the most common culprits are a tripped circuit breaker, a blown thermal fuse, or faulty door interlock switches. A dead unit typically means no power is reaching the internal components, preventing any operation.
Questions people ask
Who do I call when a microwave won't start?
An appliance technician. Commonly a door-switch fault, a blown fuse, or a control-board issue. A tripped breaker goes to an electrician. The Triage Profile names who to call for your photo.
What do I tell the resident right now?
Thanks for telling me the microwave won't start. Please check the plug, the breaker and the door; if the breaker has tripped, leave it off and tell me. Leave the inside to the technician. Send me a photo of the control panel and I'll get an appliance technician to look at it.
Why is my Kenmore microwave completely dead?
A completely dead Kenmore microwave often indicates a tripped circuit breaker or a blown thermal fuse.
Can a faulty door switch prevent my Kenmore microwave from starting?
Yes, Kenmore microwaves have multiple door interlock switches that must all register as closed for the unit to operate.
Related problems
More Kenmore microwave problems
Another symptom on the same microwave.
Won’t start: other brands
Guides and hubs
A resident sent you this?
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Drop it in the box at the top. The Triage Profile says what it is, how urgent, who to call and what to say. Email the Triage Profile to yourself or share its link with the resident.