A Kenmore range hood fan not working is one of the most common calls we get, and the cause is almost always electrical or mechanical rather than anything specific to the Kenmore name itself. Most Kenmore and Kenmore Elite range hoods sold over the last two decades were built by Broan under the 233 model prefix (models such as 233.55022000, 233.55012000, 233.52613007, and 233.51841591 are documented examples), and it is Broan’s fan motors, run capacitors, and rocker switches that actually wear out or fail over time.
Why the Fan Stops Spinning
In most cases a dead or silent fan traces back to one of three things: a burned-out fan motor, a failed run capacitor that no longer gives the motor the jolt it needs to start turning, or a worn control switch that no longer completes the circuit. Less often, a tripped breaker or a loose wire connector at the light/fan junction box is to blame. If the light works but the fan does not, that narrows the problem to the fan circuit specifically rather than the whole unit.
Checking the Motor and Capacitor
With power disconnected at the breaker, the blower wheel should spin freely by hand. If it is stiff, gummed with grease, or makes a humming noise without turning when powered, the motor bearings or capacitor are the likely culprits. A blown capacitor is a very common failure point on these units and is inexpensive to replace once confirmed with a multimeter, while a seized or burned motor typically needs full replacement rather than repair.
Switches, Wiring, and Loose Connections
Rocker and slide switches on Kenmore hoods take a lot of daily use and can wear internally even when they still click normally. If the fan hums, trips a breaker, or only runs on certain speed settings, check the wiring harness at the control panel for a loose or corroded spade connector before assuming the motor itself is bad. This is a fast diagnostic step that often saves a full motor replacement.
Because the fan motor sits above a cooking surface, it also collects more grease residue over its lifespan than most household motors, and that residue can gum up the bearings long before the windings themselves actually fail. Keeping the grease filter clean, as covered in our maintenance guide below, is one of the best ways to extend motor life and delay the point where a fan replacement becomes necessary at all.
When to Call a Specialist
If you have confirmed power is reaching the unit and the fan still will not run, it is time to bring in an experienced independent technician rather than keep guessing at parts. Our specialists work on Kenmore range hoods every week and know exactly how to test the Broan-built motor and capacitor assemblies used across the 233-prefix lineup, and every repair uses genuine OEM parts sourced for the correct model. We back every visit with a 30-day labor warranty, so you are covered if anything related to the repair needs a follow-up.
Before you book, it helps to have your model number ready from the tag inside the hood — our model number decoder guide walks through exactly where to find it and what the digits mean. If the fan works but the kitchen still fills with cooking odors and grease haze, that is usually a separate airflow problem — see our guide on a Kenmore range hood not venting for that distinction. You can also browse general Kenmore model information or find service in your area.
Ready to get the fan working again? Schedule a visit and one of our experienced range-hood specialists will diagnose the motor, capacitor, or switch, replace it with genuine OEM parts, and stand behind the repair with our 30-day labor warranty. For general product information straight from the manufacturer, visit kenmore.com. You can also review our full range hood repair service for everything we cover beyond fan issues.