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A stainless baffle grease filter half slid out of the underside of an under-cabinet range hood, a small filter symbol glowing on the hood's control strip.

Bertazzoni light C flashing: charcoal filters are due on an older KG hood

After 120 hours of use, the older KG hoods switch to a second alarm.

(844) 398-3217

Mon–Sat, 8am–8pm

  • Filter reminders
  • Range hood filter and baffle service
  • Source: Bertazzoni

Book a visit

Three short steps, about a minute.

or call (844) 398-3217

What Light C flashing
actually means.

After 120 hours of use, the older KG hoods switch to a second alarm. With the motor off, light C flashes to say the charcoal filters should be replaced on a hood installed for recirculation.

Bertazzoni range hood display · also shown as second speed light flashing

What to do when Light C flashing shows on the range hood

Kind of codeFilter reminders

The hood has counted enough hours of fan time to ask for its filters: the mesh or baffle grease filters want a wash, or on a recirculating hood the charcoal filters want replacing. Most hoods count hours rather than measure grease, so the light comes on whether the filters are clean or not, and it stays on until it is reset with the key the manual names. A reminder that returns straight after a reset, or a hood that still pulls weakly with fresh filters, is worth a visit.

Usually leads toRange hood filter and baffle service

Cleaning or replacing what catches grease and odor: mesh and baffle filters, charcoal pads on recirculating hoods, and the grease channel.

Shows up asReading a Range Hood Error Code or Blinking Light

A range hood error code may appear as letters and numbers on a display, a light that blinks in a pattern, a filter reminder that will not clear, or a beep with the fan refusing to start.

MakeBertazzoni

A Bertazzoni range hood that has stopped pulling steam is inspected in your kitchen, beginning with the rating label hidden behind its grease filters.

SourceBertazzoni US frequently asked questions

Older Bertazzoni KG hoods with speed lights, as described in Bertazzoni's US FAQ.

Before you book,
in this order.

Each step comes from Bertazzoni's own guidance for Light C flashing on its range hoods. Follow it to the end: the last card says whether this is a visit.

01

Replace the charcoal filters with the kit for your model.

02

Wash the grease filters while they are down.

03

With the motor off, press B and D together to reset the alarm.

04

If light C keeps flashing, book a visit.

Still there?

It usually turns into range hood filter and baffle service. Book with the code and the model number.

What not to do

Light C flashing is a filter reminder for recirculating hoods; on a ducted hood there is no charcoal to replace. It is not a warning about the second speed itself.

What you may
notice with it.

The range hood problems Light C flashing tends to arrive with. Answer these at the range hood before anyone is booked.

All problems

Before you call

Reading a Range Hood Error Code or Blinking Light

All 7 causes, cheapest first

It also comes with

Close view of the front control strip of a stainless wall-mount chimney range hood on a tiled wall, a few abstract lit segments on its small display and one indicator blinking, the range hood's canopy filling the upper half of the frame. Problem

Reading a Range Hood Error Code or Blinking Light

7 causes, cheapest first

Where Light C flashing usually leads

Range hood filter and baffle service.

Mesh or baffle filters, charcoal pads and the grease channel · lowest.
Book a visit What the job involves

Bertazzoni
range hoods.

A Bertazzoni range hood that has stopped pulling steam is inspected in your kitchen, beginning with the rating label hidden behind its grease filters.

Bertazzoni range hood repair

More Bertazzoni codes

FC FC4A key flashing every 2 secondsA key flashing every 0.5 secondsF and C keys flashingS1 steadyS1 flashingT4 flashingT2 flashingT1 flashing
All 14 Bertazzoni codes

Filter reminders on other makes

BEST Fan LED bar flashes slowly for 30 seconds after the fan is turned offBlueStar Timer icon blinking, blower offBosch clean grease filterDacor Low button blinkingElica Grease FilterFaber Filter alarm LED on (steady)Falmec Red LED steady on with the fan offFisher & Paykel Filter button lit
All 55 codes of this kind
A stainless steel wall-mount chimney range hood fixed to a white subway tile wall in a US home kitchen, the range hood's rectangular chimney cover rising straight to the ceiling, soft steam rising from a pot into the canopy, the range hood filling the upper half of the frame, the cooking surface below cropped and out of focus at the bottom edge. Bertazzoni builds this

Wall-mount range hood

The chimney hood fixed to a bare stretch of wall above the burners, its canopy catching the rising smoke while a telescoping cover hides the duct that climbs to the ceiling.

 A slim stainless under-cabinet range hood mounted beneath white shaker wall cabinets in a US home kitchen, the range hood's two lamps glowing onto steam rising from a simmering pot, the range hood and the cabinets above it filling the upper half of the frame, the cooking surface below cropped and out of focus. Bertazzoni builds this

Under-cabinet range hood

The slim hood screwed to the bottom of the wall cabinet over the burners, venting up through that cabinet or back through the wall, or cleaning the air and returning it to the room.

 A large stainless island range hood hanging from the ceiling on its four-sided chimney over a kitchen island with a white stone top in a US home, steam rising from a pan into the range hood's canopy, the range hood centered in the upper half of the frame, the burners on the island below cropped and out of focus. Bertazzoni builds this

Island range hood

The hood that hangs from the ceiling over burners set into a kitchen island, open on all four sides, with its duct and wiring hidden inside a chimney that drops from above.

In Bertazzoni's own words

After 120 hours, the hood (motor off) will go into alarm mode and light C (second speed) will flash.
Bertazzoni US frequently asked questions Bertazzoni US frequently asked questions

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Older Bertazzoni KG hoods with speed lights, as described in Bertazzoni's US FAQ.

Bertazzoni Light C flashing range hood repair,
where we come out.

The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered.

All service areas

Tampa BayFL · 31 areas

OrlandoFL · 30 areas

Miami / South FloridaFL · 47 areas

New York MetroNY · 75 areas

HoustonTX · 36 areas

ChicagoIL · 50 areas

Los AngelesCA · 95 areas

San DiegoCA · 31 areas

San Francisco Bay AreaCA · 74 areas

A family cooking together under a stainless range hood in a bright kitchen.
For the heart of your home.

Questions
about Light C flashing.

Can I clear Light C flashing myself?
Replace the charcoal filters with the kit for your model. If it comes back, it needs a visit.
My ducted Bertazzoni KG hood flashes light C. What should I do?
Reset it with B and D while the motor is off. If it keeps returning on a ducted hood, book a visit.
How is the light C reset different from light B on a Bertazzoni?
Light B is reset with B and C pressed together, light C with B and D.
How long do charcoal filters last in a Bertazzoni KG hood?
The FAQ ties the reminder to 120 hours of use.

Back to your everyday

Still showing Light C flashing?

Three things make the booking useful: the letters or blink pattern exactly as they showed, the full model number from the label behind the filters, and whether the fan still moves air on every speed. With those, the technician arrives with half the answer already worked out.

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