GE ZVB30B1BB downdraft vent system repair and replacement parts

Ge ZVB30B1BB downdraft vent system

Here are the repair parts and diagrams for your GE ZVB30B1BB downdraft vent system. The diagram(s) below can help you find the right part. If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.
On this page, you can also find any manuals, installation guides and error code tables associated with this model.
For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

Symptoms common to all downdraft ventilation systems

Choose a symptom to see related downdraft vent repairs.

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

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
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 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
Articles and videos common to all downdraft ventilation systems

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

October 26, 2016
How to repair broken or damaged wires video
By Sears PartsDirect staff

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

January 18, 2016
How to use a multimeter to test electrical parts video
By Sears PartsDirect staff

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

February 23, 2015
Troubleshooting tips for a rectractable downdraft vent
By Sears PartsDirect staff

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