April 19, 2023

Downdraft vent symptoms

A downdraft vent that won't go up, goes up and down continuously or won't run the fan are some common issues you may face when using a downdraft vent. Use the symptoms and DIY troubleshooting tips below to find out which vent parts need replacing. Use the search bar to find and order repair parts you need, then follow the step-by-step procedures in our downdraft vent repair guides to install the parts and fix your vent.

downdraft ventilation system

Symptoms common to all downdraft ventilation systems

Choose a symptom to see related downdraft vent repairs.

April 19, 2023

Main causes: lack of electrical power, up/down activation switch failure, bad vent gear motor…

April 19, 2023

Main causes: electrical power failure, up/down activation switch problems, vent gear motor failure…

April 19, 2023

Main causes: problems with the vent limit switches, up/down activation switch failure…

April 19, 2023

Main causes: fan control switch failure, bad blower fan motor, broken blower wheel, wiring failure…

January 10, 2024

Main causes: clogged grease filters, air duct problems, fan motor failure, broken blower wheel…

Most common repair guides to help fix your 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 switch

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
How to replace a downdraft vent blower motor

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 …

Repair difficulty
Time required
 15 minutes or less
How to replace a downdraft vent gear motor

How to replace a downdraft vent gear motor

The gear motor raises and lowers the air vent when you push the activating switch. Replace the gear motor if defective.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your downdraft ventilation systems

Use the advice and tips in these articles to get the most out of your downdraft vent.

How to repair broken or damaged wires video

How to repair broken or damaged wires video

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

How to use a multimeter to test electrical parts video

How to use a multimeter to test electrical parts video

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

Troubleshooting tips for a rectractable downdraft vent

Troubleshooting tips for a rectractable downdraft vent

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