If your gas oven has no flame, the most common culprit is a weakened igniter that glows but cannot pull enough amperage to open the gas valve. Check if the igniter is glowing orange. If it is not glowing at all, or if it glows without ignition, the igniter likely needs replacement.
Nine times out of ten when I show up to a no-flame call, it's a dying igniter. The thing still glows, looks fine to the homeowner, but it's electrically cooked. And if you ignore it? The oven just keeps not working. You'll end up baking stuff on your stovetop like it's 1987. Good news is igniters are cheap, usually $20-45, and this is totally a DIY fix if you're comfortable pulling a panel.
Here's the deal with gas oven igniters: they don't fail like a light bulb. They don't just quit all at once. They slowly lose their ability to pull current, so you'll see this weird middle stage where it glows but doesn't light. I replaced three of these last week alone. Parts run $20-50 depending on the brand, and honestly a competent DIYer can handle this in under an hour.
Most Likely Causes
Based on aggregated repair data, here is the probability breakdown for this error code:
Weak or Burnt Out Igniter80%
Faulty Gas Safety Valve10%
Tripped Thermal Fuse5%
Control Board Relay Failure5%
Symptoms You May Notice
The igniter glows a weak orange for 60-90 seconds and then the oven just gives up, no flame, no heat, sometimes cycling through this same routine over and over without ever catching.
You can hear something trying to happen, maybe a faint hiss, but nothing lights and the oven stays stone cold while the display happily shows your set temperature like everything's fine.
There's a faint gas smell right at the start of a cycle and then nothing. That's the safety valve cracking open slightly and then snapping shut because the igniter never got hot enough.
Preheat takes forever, like 25-35 minutes to hit 350F when it used to take 12-15. That's a dying igniter struggling to open the valve consistently on each cycle.
Broiler fires up totally fine but bake does absolutely nothing. They're separate igniters on separate circuits, so this tells you a lot about where to look.
Can you reset a Generic oven to clear the NO-FLAME-GAS code?
There's no formal reset sequence for a no-flame condition since it's almost always a hardware failure, not a software glitch. But if you suspect a one-time control board fault, unplug the oven completely for 5 full minutes, then restore power and try a bake cycle. Sometimes a hard reset clears a locked-out relay. Don't bother with this step if you smell any gas at all.
Tools Required for Diagnosis
Phillips #2 screwdriver1/4" nut driver5/16" nut driverDigital multimeter (AC voltage and ohms)AC clamp meter (for amperage test)Work glovesFlashlight or headlamp
Diagnostic Checklist
Follow these steps in order. We start with the easiest external fixes before opening up the machine.
ComponentComponent Under Test
Expected Range100–200 ohms
ConditionIf Open (OL) or infinite, replace component.
Frequently Asked Questions
Why does my igniter glow but the oven won't light?
So here's the thing about silicon carbide igniters: they don't fail like a switch. They die slowly. The material changes its electrical resistance over time, and eventually it can't draw enough amps to do the job even though it still heats up. The gas safety valve needs to see 3.2+ amps flowing through the igniter before it'll open and let gas through. Your igniter might be pulling 2.7 amps, which gets it glowing orange, but the valve just stays shut. Replace the igniter. That's almost always the end of the story.
Can I light my gas oven with a match if the igniter is broken?
No, and I get asked this a lot. Modern gas ranges with glow-bar igniters have a safety valve that's physically held closed by a spring. The only thing that opens it is the heat from that igniter coil reaching the right temperature. If the igniter's not working, the valve doesn't open, period, there's nothing to light. Some older ovens from the 80s had standing pilot lights where you could do this, but if your oven was made after about 1990, don't try it. It won't work and you'll be sitting there wondering why.
How long do gas oven igniters usually last?
Honestly anywhere from 3 to 10 years, and the range is huge because usage matters so much. I've replaced igniters on 4-year-old ovens that got used hard every single day. And I've seen 12-year-old igniters still pulling solid amps. Self-clean cycles are brutal on them. Every time you run self-clean, that element hits extreme temperatures and it takes a toll. If you run self-clean a couple times a year, expect the shorter end of that lifespan range.
Is it more likely to be the gas valve or the igniter?
It's the igniter, like 95% of the time. I replaced probably 40+ igniters last year and maybe one gas valve. The valve is a simple passive device, it just opens when it gets hot enough from the igniter. It doesn't wear out the same way. When I do find a bad valve, it's almost always on an oven that took a big power surge, or one where a weak igniter ran for months before the owner called me, which can stress the valve over time.
Does the broiler use the same igniter as the bake burner?
Nope, separate igniters on separate circuits. And this is actually super useful for diagnosing. If your broiler fires up fine but bake doesn't, that tells you a ton. Your gas supply's fine, your control board's mostly functional, the problem's specifically in the bake igniter circuit. Could be the bake igniter itself, the thermal fuse for that circuit, or the relay on the board. Broiler working basically cuts your diagnostic options in half right away.
What does it cost to fix a gas oven that won't light?
The igniter part itself is usually $20-45 for most standard brands, sometimes up to $60-70 for newer or more specialized ranges. It's honestly one of the cheapest major appliance repairs there is. If you hire a tech, expect $150-250 total since it's 30-45 minutes of work. If you can use a nut driver and a multimeter, this is a totally reasonable DIY job. Just make sure you get the right igniter for your exact model number, because they're not interchangeable across all ovens even within the same brand.
Models Known to Experience NO-FLAME-GAS Errors
This repair applies to most Generic ovens with this error code. Common model numbers include:
Whirlpool WFG320M0BS, Whirlpool WFG505M0BS, GE JGBS66REKSS, GE JGB700SEJSS, Frigidaire FFGF3054TS, Samsung NX58H5600SS, LG LRG3061ST, Maytag MGR8800FZ