Downdraft vent articles

From common questions to troubleshooting tips, these articles can help you get the best performance from your downdraft vent. For step-by-step DIY repair instructions and troubleshooting guidance, see our downdraft vent repair help section.

Downdraft Ventilation Systems

Articles and videos common to all downdraft ventilation systems

April 17, 2019
Downdraft vent common questions.

The most commonly asked questions about downdraft vents are answered by our experts.

October 26, 2016
How to repair broken or damaged wires.

Learn how to repair broken, frayed or damaged wires in your appliances.

January 18, 2016
How to use a multimeter to test electrical parts.

Learn how to use a multimeter to check for wiring problems in an appliance that's not working

December 2, 2015
Wiring schematic symbols explained.

Learn some of the most common symbols found in a wiring diagram and what they mean.

February 23, 2015
What to check if a retractable downdraft vent isn't working.

See what to check if you are having a problem with a retractable downdraft vent.

Symptoms common to all downdraft ventilation systems

Choose a symptom to see related downdraft vent repairs.

Main causes: lack of electrical power, up/down activation switch failure, bad vent gear motor
Main causes: clogged grease filters, air duct problems, fan motor failure, broken blower wheel
Main causes: problems with the vent limit switches, up/down activation switch failure
Main causes: fan control switch failure, bad blower fan motor, broken blower wheel, wiring failure
Main causes: electrical power failure, up/down activation switch problems, vent gear motor failure

Repair guides common to all downdraft ventilation systems

These step-by-step repair guides will help you safely fix what’s broken on your downdraft vent.

How to replace a downdraft vent up/down button pad

The up/down button pad located on top of the air vent engages the activating switch when pushed to raise the air vent. Replace the up/down button pad if damaged.

Repair difficulty
Time required
 15 minutes or less
November 1, 2015
By Lyle Weischwill
How to replace a downdraft vent up/down switch

The up/down switch starts the gear motor to raise and lower the air vent. Replace the up/down switch if defective.

Repair difficulty
Time required
 15 minutes or less
November 1, 2015
By Lyle Weischwill
How to replace a downdraft vent blower motor

The blower motor spins the fan blade that removes smoke and steam from the cooktop area. Replace the blower motor if it doesn't run when activated.

Repair difficulty
Time required
 30 minutes or less