--- title: "Flame goes out on the low setting" description: "Fisher and Paykel flame goes out on the low setting — the most-linked freestanding cooker article this maker publishes." url: "https://fisherpaykelmiami.support/symptoms/flame-goes-out-on-low/" date_modified: "2026-08-25" Appliance type: "Cooktops and rangetops, Ranges" --- # Flame goes out on the low setting Symptom # Fisher & Paykel flame goes out on the low setting The most-linked freestanding cooker article this maker publishes. A burner that is perfect on high and will not stay lit turned down is telling you something specific, and it is not the gas supply. - **From $95** diagnostic, credited to the repair - **59** cities and neighborhoods covered - **OEM** parts available on order - **In writing** the price, before anything is opened ## Book a diagnostic visit Your model number and a line about what it is doing is enough to get started. Your details stay private. No spam, ever. Five ordinary causes ## What this usually turns out to be Cheapest and commonest first, which is also the order we check them in. They sit hundreds of dollars apart, and only the unit settles which one is yours. - Ports blocked around the simmer side The commonest cause and the one that explains why high is fine. A small flame needs a small number of clear ports. [ Range burner & ignition repair from $155 ](https://fisherpaykelmiami.support/services/range-burner-and-ignition-repair/) ### Ports blocked around the simmer side The commonest cause and the one that explains why high is fine. A small flame needs a small number of clear ports. - The cap seated wrong A cap slightly out of position skews the flame and the low setting is where that shows first. [ Range burner & ignition repair from $155 ](https://fisherpaykelmiami.support/services/range-burner-and-ignition-repair/) ### The cap seated wrong A cap slightly out of position skews the flame and the low setting is where that shows first. - The flame-sensing thermocouple It holds the gas valve open only while it senses a flame, and a tired one stops sensing a small one first. This is the classic version. [ Range burner & ignition repair from $155 ](https://fisherpaykelmiami.support/services/range-burner-and-ignition-repair/) ### The flame-sensing thermocouple It holds the gas valve open only while it senses a flame, and a tired one stops sensing a small one first. This is the classic version. - A draft An open slider, a ceiling fan, or a hood on full over a small flame. Free to test and genuinely common in a Florida kitchen. [ Range burner & ignition repair from $155 ](https://fisherpaykelmiami.support/services/range-burner-and-ignition-repair/) ### A draft An open slider, a ceiling fan, or a hood on full over a small flame. Free to test and genuinely common in a Florida kitchen. - The valve or the low-flame adjustment Set below where the flame is stable, sometimes after a conversion between natural gas and LPG. [ Range burner & ignition repair from $155 ](https://fisherpaykelmiami.support/services/range-burner-and-ignition-repair/) ### The valve or the low-flame adjustment Set below where the flame is stable, sometimes after a conversion between natural gas and LPG. In five minutes ## Before you call anybody None of it needs tools, and all of it makes the visit shorter. - 01 Test with the room still Slider shut, fans off, hood off. If it simmers happily then, you have a draft rather than a repair. ### Test with the room still Slider shut, fans off, hood off. If it simmers happily then, you have a draft rather than a repair. - 02 Cap and ports, cold Look specifically at the smaller ports. That is where a simmer lives. ### Cap and ports, cold Look specifically at the smaller ports. That is where a simmer lives. - 03 Compare burners If every burner drops at simmer, look at the supply or a recent gas conversion. If it is one, it is that burner. ### Compare burners If every burner drops at simmer, look at the supply or a recent gas conversion. If it is one, it is that burner. - 04 Time it Does it go out immediately on turning down, or after a minute? Immediate points at the flame, delayed points at sensing. ### Time it Does it go out immediately on turning down, or after a minute? Immediate points at the flame, delayed points at sensing. - 05 Then book the visit Say which burner, how quickly it dies, and whether the machine has ever been converted between gas types. ### Then book the visit Say which burner, how quickly it dies, and whether the machine has ever been converted between gas types. How it shows up ## What people describe when they call - “Full flame is fine, simmer goes out” - “It relights and then dies again” - “It got worse over months” In more detail ## About Fisher & Paykel flame goes out on the low setting ### The fastest diagnosis is the code Take the cap off cold, check it is seated squarely, and look closely at the ports on the low-flame side of the crown — a burner keeps its simmer alive on a small number of ports, and blocking a few of them is enough to lose it while the high flame stays perfect. If the burner is clean, correctly assembled and still will not simmer, the flame-sensing side is the repair. ### Why this is the article the maker’s own owners link most Because it is common on any gas cooking appliance and because it feels like a defect. It is usually maintenance: **ports**, a **cap**, or a **thermocouple** that no longer holds a small flame open. ### How to tell the two apart A flame that dies **the instant** you turn it down is about the flame itself — ports, cap, adjustment. A flame that burns happily for thirty seconds or a minute and then goes out is about **sensing**: the thermocouple has cooled below the point where it keeps the valve open. That timing is worth noticing before you call. ### The Florida version An open slider, a ceiling fan and a hood running hard over a small flame will put a burner out on a machine with nothing wrong with it. It is worth ruling out with one still-room test before spending anything. This article is based on: - Official manufacturer documentation - Internal repair procedures - Technician repair history - Company quality standards Before you book ## Questions about fisher & Paykel flame goes out on the low setting Because a big flame is forgiving and a small one is not. On high, gas is coming out of every port fast enough to sustain itself and to keep a sensor hot. Turned down, the flame relies on a handful of clear ports and on a sensor that is now much cooler. Everything marginal shows up at simmer. Rarely, and there is a free test: if every burner behaves the same way and the machine also struggles on high, look at supply. If high is perfect and only simmer fails, the supply is delivering and the problem is at the burner. Then say so when you book, because it changes the list. A conversion involves the injectors and the low-flame adjustment, and a simmer that has never been stable since the conversion is usually the adjustment rather than a failed part. It is also the version of this that is quickest to put right. 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