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.
Symptoms common to all downdraft ventilation systems
Choose a symptom to see related downdraft vent repairs.
Main causes: electrical power failure, up/down activation switch problems, vent gear motor failure…
Main causes: fan control switch failure, bad blower fan motor, broken blower wheel, wiring failure…
Main causes: lack of electrical power, up/down activation switch failure, bad vent gear motor…
Main causes: problems with the vent limit switches, up/down activation switch failure…
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 gear motor
The gear motor raises and lowers the air vent when you push the activating switch. Replace the gear motor if defective....
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. R...
How to replace a downdraft vent fan control switch
The fan control switch activates the blower motor and controls the fan speed. Replace the fan control switch if it's not...
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.
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