Range Hood Keeps Tripping Its Breaker
A range hood tripping breaker cuts power the moment the blower starts, when the lights come on, or after a few minutes of running, and it can also take out a GFCI outlet that the hood shares with the counter.
Mon–Sat, 8am–8pm
- Stop cooking under it
- 5 questions that narrow it
- 6 causes, cheapest first
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Burner off, everyone back, then the breaker
One reset is the limit. A breaker that trips again, or trips with a smell, a hum or a flash, stays off, and the hood is not used until the cause is found; the other outlets on the circuit can wait on the same breaker or be moved to another.
What it
usually means.
A breaker trips for one of three reasons: too much current for too long (an overload), a sudden surge from a short, or, on a GFCI or AFCI device, current leaking to ground or an arc it has detected. A hood draws modest current, so a breaker that trips with the hood alone usually means something inside is shorting or leaking. The usual places are a blower motor with a winding breaking down or a stalled rotor, a capacitor that shorted, a light socket or driver with grease or moisture in it, and wiring that chafed on a sharp edge inside the chimney cover. Steam matters here too: a hood that recirculates or one that pulls a lot of humid air can collect condensation on its board and sockets, and a GFCI will notice the leak. Sometimes the hood is innocent and shares a circuit with a disposer, a toaster or the countertop outlets, and the total is simply too much. Resetting a breaker over and over pushes current through whatever is wrong each time, so one reset is the limit.
The 6 causes, cheapest first
Answer these first
Does it trip the moment the hood is switched on, only on a high speed, only with the lights, or after running for a while?
Is it a breaker at the panel, a GFCI outlet in the kitchen, or an AFCI breaker with a test button?
Is anything else on the same circuit: countertop outlets, a disposer, the lights over the sink?
Did it start after a boil-over, a big batch of steam, a filter wash or new bulbs?
Is there a burning smell, a hum or a click from the hood just before the power drops?
Check these
before you book.
Range hood tripping breaker: 5 checks, and none of them costs anything.
Switch the hood off at its controls, then reset the breaker or the GFCI once only.
A second trip means the breaker stays down; every extra reset pushes current back into the short or the leak.
If there is a burning smell, smoke or sparks, keep the breaker off and see those pages first; smoke that does not stop means calling 911.
Also worth checking
- Note whether it trips with the lights alone, the blower alone, or only with the kettle or other counter appliances running.
- Book a visit with the model number from the label behind the filters; the wiring inside the chimney cover is not an owner's job.
The causes,
cheapest first.
6 things range hood keeps tripping its breaker turns out to be, from kettle, toaster and hood sharing one circuit to a board or switch module that failed.
The cost guide-
01 no repair
Kettle, toaster and hood sharing one circuit
A hood wired onto a circuit with the countertop outlets or the disposer can push the total past its rating when everything runs together. If it trips only when the kettle or the toaster is on as well, the circuit is the issue, not the hood.
-
02 low
Moisture in a socket or on the board
Steam that condenses inside the hood can reach a light socket or the control board and leak current to ground. A GFCI trips right away; drying out sometimes helps, but a socket that keeps collecting moisture is replaced.
-
03 low to moderate
An LED driver or light that shorted
When the breaker drops only when the lights come on, the driver or a socket is the likely cause. The blower often runs normally with the lights left off.
-
04 moderate
Blower capacitor or motor shorting
A capacitor that shorted, or a motor winding breaking down, pulls a surge the breaker will not tolerate. A motor locked by dry bearings trips the breaker after a few seconds of humming.
-
05 moderate
Wiring chafed inside the chimney cover
A cord or lead pinched when the hood was hung, or rubbed on a sharp duct edge, can wear through and touch metal. It is traced with the power off by a technician, who reaches it from inside the cover.
-
06 moderate to highest
A board or switch module that failed
A shorted relay or a burned trace on the board can trip the breaker no matter which key is pressed. The board or the switch module is replaced.
What else
it could be.
Most often confused with hot electrical or burning smell at the range hood, then sparks from a range hood blower or lights.
All problems
The makes
it happens on.
29 makes on this site; range hood keeps tripping its breaker can show up on any of them. Each mark opens that make's own page.
All 29 brandsRange Hood Keeps Tripping Its Breaker,
where we come out.
9 metros, each with its own page.
All service areasTampa BayFL · 31 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
Questions about
range hood keeps tripping its breaker.
Why does the GFCI outlet by the sink trip when the hood runs?
Why would the breaker trip only while we fry?
Can a larger breaker fix the problem?
Is it safe to use the lights if only the blower trips the breaker?
Back to your everyday
Still seeing range hood keeps tripping its breaker?
Book with what you checked above — 5 answers save the technician the first part of the visit.