Why is my oven broiler not working? Causes and fixes
A broiler that won’t heat while bake works is most often caused by a failed broil element on electric ovens, a weak broil igniter on gas ovens, or a switch or relay that never energizes the broil circuit. The element should glow within a minute; a gas broil burner should light within about 90 seconds. Identify your model number to order the correct replacement parts.
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Safety information
Disconnect power before testing or replacing the broil element, switch, or wiring — ovens operate at 240 volts and the broil circuit’s terminals sit behind the hot cavity. Let the element and cavity cool fully first. On gas ovens, never bypass or jumper the igniter or safety valve — the igniter’s current draw is itself the safety mechanism — and leave safety-valve replacement to a qualified technician. If you smell gas, stop, leave the area, and contact your gas utility.
Most common causes
- Failed broil element (electric) — the upper element burns open, often with a visible blister, bubble, or break along its length; the most common cause.
- Weak or failed broil igniter (gas) — the igniter glows but no longer draws enough current to open the broil burner’s safety valve.
- Failed selector switch or control relay — the switch or board never routes power to the broil circuit; bake working normally is the tell that power and elements elsewhere are fine.
- Broken wire or burnt terminal at the element — broil circuits run hot, and the push-on terminals at the element cook loose over years.
- Failed safety valve (gas) — the dual valve’s broil section won’t open even with a healthy igniter; less common than the igniter itself.
- Blown thermal fuse or high-limit affecting only broil — checked once the common causes test good on some models.
Step-by-step diagnosis
- Watch a broil startup. Set broil (HI) and observe the top of the cavity: an electric broil element should begin glowing within a minute; on gas, look for the igniter’s orange glow and the burner lighting within about 90 seconds. What you see — nothing, glow without heat, glow without flame — selects the path below.
- Inspect the broil element on electric ovens. Look for blisters, breaks, or a burned-through spot along the element. Any visible damage means replacement — broil elements mount with two screws and two push-on terminals, an inexpensive and quick repair.
- Test the element’s continuity. Disconnect power, free the element’s terminals, and measure across it — most broil elements read roughly 15–40 ohms. An open reading confirms failure even when the element looks intact. Inspect the terminals for burning while they’re off; replace burnt connectors with high-temperature terminals.
- Evaluate the gas broil igniter. An igniter that glows steadily for 90+ seconds with no flame has weakened — it isn’t drawing the current the safety valve needs to open. Replace the broil igniter; it’s the most common gas-broiler failure. Handle the new igniter by its base only — skin oils and bumps crack the element.
- Test the selector switch or control. With power off, check the switch’s broil contacts for continuity in the broil position on mechanical ranges. On electronic ovens, listen for the broil relay’s click when broil starts — silence with a good element points to the control board.
- Check the broil circuit wiring where it runs behind the cavity’s top — look for heat-brittled insulation and browned connectors, and repair with high-temperature wire and terminals.
- Verify the repair under load. Run a full broil preheat with the door in the position your manual specifies (closed on most modern ovens) and confirm even glow or flame across the element or burner, then test with actual browning — uneven glow on a new element means a wiring or voltage issue remains.
Replacement parts to consider
Common parts for a dead broiler: broil element, broil igniter, selector switch, oven control board, high-temperature terminal kit, gas safety valve (technician-installed). Enter your oven’s model number on reliableparts.com for the exact parts for your specific model.
Related FAQs
Why does my oven bake fine but the broiler doesn’t work?
Bake working proves the oven has power, a good sensor, and a working control — so the fault is specific to the broil circuit: the broil element (electric), the broil igniter (gas), or the switch/relay that feeds them. Watch a broil startup; what the top of the oven does in the first minute is the diagnosis.
How do I know if my broil element is burned out?
Look, then measure. Blisters, bubbles, or a visible break along the element confirm it by eye. If it looks fine, kill power and test continuity across its terminals — roughly 15–40 ohms is healthy, open means replace. Elements fail without drama; a clean-looking open element is common.
Why does my gas broiler’s igniter glow but never light?
The glow is the clue: gas oven igniters must draw a specific current to open the safety valve, and an aging igniter glows convincingly while drawing too little. Ninety seconds of glow with no flame is the standard verdict — replace the broil igniter. The safety valve itself fails far less often.
Should the oven door be open or closed when broiling?
Check your manual — it changed over the years. Most modern ovens broil with the door closed; many older ranges specified a cracked-open door to keep the thermostat from cycling the element off. Using the wrong position on an older range makes the broiler cycle off and look failed mid-cook.
How much does it cost to fix a broiler?
The common repairs are modest: a broil element typically runs $25–70 and a gas broil igniter $40–100, both DIY-accessible. Selector switches run $30–80; control boards are the expensive case at $150–400. Professional repair for the common causes generally lands between $150 and $300.
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