BlueStar range
showing F40
F40 on a BlueStar range touchscreen means the oven temperature sensor is in trouble.
Mon–Sat, 8am–8pm
- Temperature sensor
- Temperature sensor and thermostat repair
- Source: BlueStar
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What F40
actually means.
F40 on a BlueStar range touchscreen means the oven temperature sensor is in trouble. That sensor is how the electric oven of a dual-fuel or induction range knows when to switch its elements on and off.
BlueStar range display · also shown as Control Error F40
What to do when F40 shows on the rangeKind of codeTemperature sensor
The oven sensor sent a reading the control would not accept, or one that climbed well past the setting. A loose plug or a sensor that has drifted is ruled out before the control board, and a temperature that keeps rising means the range is switched off at the breaker first.
Usually leads toTemperature sensor and thermostat repair
A range oven that bakes hot, bakes slow, takes forever to preheat or posts a sensor code, traced to the sensor probe, the thermostat or the calibration.
Shows up asRange Oven Temperature Wrong
Recipes burn or come out underdone, and an oven thermometer disagrees with the temperature set on the range.
MakeBlueStar
A Pennsylvania company that builds professional-style gas and dual-fuel ranges, known for open burners and a very wide choice of finishes.
SourceBlueStar dual-fuel range manual 200009, troubleshooting
BlueStar BSDF dual-fuel and BSPIR Platinum induction ranges with the oven touchscreen.
Before you book,
in this order.
Each step comes from BlueStar's own guidance for F40 on its ranges. Follow it to the end: the last card says whether this is a visit.
Stop using the oven for anything that needs an accurate temperature.
Book a visit; BlueStar lists service as the fix for F40.
Still there?
It usually turns into temperature sensor and thermostat repair. Book with the code and the model number.
What not to do
F40 is not the meat probe; BlueStar gives the probe its own code, F50.
What you may
notice with it.
The range problems F40 tends to arrive with. Answer these at the range before anyone is booked.
All problems
Range Oven Temperature Wrong
5 causes, cheapest first
Where F40 usually leads
Temperature sensor and thermostat repair.
BlueStar
ranges.
A Pennsylvania company that builds professional-style gas and dual-fuel ranges, known for open burners and a very wide choice of finishes.
BlueStar range repair
Gas range
Open flames on top and a gas-fired oven below, all fed by one supply line behind the range and lit by igniters rather than a match.
Dual-fuel range
Gas burners on top and an electric oven below, the combination most professional-style ranges use, needing both a gas line and a 240-volt circuit.
Induction range
A glass top that heats the pan itself through copper coils and power boards, over an electric oven, with electronics doing almost all the work.
In BlueStar's own words
Control Error F40
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. BlueStar BSDF dual-fuel and BSPIR Platinum induction ranges with the oven touchscreen.
BlueStar F40 range 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 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 F40.
Can I clear F40 myself?
My BlueStar range still heats with F40 showing. Can I keep baking?
Will removing the meat probe clear F40 on my BlueStar?
Back to your everyday
Still showing F40?
Book with the code exactly as it appears, the full model number, and whether you notice any smell of gas or scorching — with a code, that is where the diagnosis begins.