Bosch Range Hood NO-LIGHT Error: Light Circuit Failure
Bosch Range Hood: Lights Not Working When the Bosch range hood fan works but the lights don’t, start with the simplest fix: replace the bulbs. If new bulbs don’t work, the light switch or LED driver board needs professional service.
Quick Assessment
Answer to continue safely
Is it safe to keep using?
Yes. The hood's ventilation function is completely unaffected. Only the lights are non-functional.
Can I reset the code?
Yes. If bulbs were the issue, replacing them solves it immediately.
When to stop immediately?
Stop if you notice: New bulbs also don't work, Light switch doesn't click.
Symptoms You May Notice
Hood fan works but lights won't turn on
The fan operates normally at all speeds, but pressing the light button produces no light.
Possible Causes
Burned-out bulbs
Both light bulbs have burned out simultaneously or in succession.
DIY PossibleFaulty light switch
The light switch or touch control for lights has failed.
Requires ProfessionalLED driver board failure
For LED models, the driver board that powers the LEDs has failed.
Requires ProfessionalSafe Checks You Can Do
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1
Replace the bulbs
Turn off the hood. Remove and replace the light bulbs with the correct type and wattage specified in the manual.
Use the exact bulb type specified by Bosch. LED hoods use non-replaceable LEDs — the driver board is the likely culprit.
Tools required
When to Call a Professional
Contact a qualified technician if:
- Socket has no voltage
- Switch doesn't make contact
- LED driver is dead
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
Range Hood Repair Service Schedule Appointment