Why Is My Traeger Not Heating Up? 9 Causes and Fixes

Quick answer: Why is my Traeger not heating up? In most cases the cause is simple: old or damp pellets, ash in the firepot, a grill that was started or shut down the wrong way, or cold, windy weather. Traeger says part failure is the rarest cause, so check pellets and cleaning first, then the fan, hot rod and temperature sensor.

That order matters. When I line up Traeger’s support articles on low heat, the same pattern shows up in every one of them: pellet quality is called the most common reason a grill struggles, and failed parts are described as the least likely culprit.

So don’t order a new hot rod yet. Work down this list first. It costs nothing, and in practice Traeger’s own ranking puts the likeliest fixes first.

The Quick Decision Tree

If you only have a minute, start here and jump to the matching fix below.

• If the grill never got hot at all, check that the hot rod glows and the fan blows. No heat over the firepot after 5 minutes points to ignition, not pellets.
• If it got hot, then sagged, suspect pellets first. Look for a hopper that tunneled or ran dry, or a bag that got damp.
• If it only runs cool on cold or windy days, that’s weather. Shelter the grill and give it a longer preheat.
• If it ran fine until a cook ended with a pulled plug, the firepot is probably overloaded. Cool it, clean it, restart properly.
• If the screen shows LEr or a Low Temp Error, the fire went out. Read the error section further down.

Still stuck after all five? Then the parts checks at the end are your next stop.

Why It Happens

Here are the causes in the order I’d check them, most likely first.

1. Old, damp or dusty pellets. Wet pellets burn weakly. Some put the fire out.
2. Ash and sawdust in the firepot. Ash blocks the air holes and smothers the hot rod.
3. A skipped shutdown cycle last time. Leftover pellets and ash sit in the firepot and choke the next start.
4. The wrong startup. WiFIRE grills are meant to start with the lid closed.
5. Cold or windy weather. Wind pulls heat away fast, especially on smaller grills.
6. Blocked airflow. Foil hanging over the drip tray, or food pressed against the barrel walls.
7. Cold or frozen food near the sensor. A big load of cold meat drags the reading down for a while.
8. Old firmware or a new grill’s first burn. Both are easy to rule out.
9. A failing part. Induction fan, hot rod or the temperature sensor (RTD or thermocouple).

How to Fix It

1. Replace the Pellets

Start here. Empty the hopper and the auger, vacuum out every bit of sawdust that has settled in the bottom of the hopper, and refill with fresh, dry pellets from a bag you trust. Good pellets have a slight shine and snap cleanly, like a pencil.

Dull, crumbly or swollen pellets go in the trash. I’d also check the pellets at the bottom of the hopper, because those are the ones feeding the fire right now.

Bag looks fine? Check anyway. Store the next bag in a sealed, airtight container, and don’t leave pellets sitting in the hopper through a wet season.

2. Clean the Firepot and Barrel

Traeger recommends cleaning a pellet grill at least every 20 hours of cook time, and more often after greasy or saucy cooks. Let the grill cool fully. Then pull the grates, drip tray and heat baffle, and vacuum the firepot and barrel.

Clumped “pucks” of pellets in the firepot are a cleaning problem, not a pellet problem, according to Traeger. They won’t burn. Get them out.

3. Run the Full Shutdown Cycle Every Time

This one is easy to skip. My take: it’s behind a lot of mystery heat problems, which is why Traeger repeats it in almost every temperature article. Traeger says the shutdown cycle must finish after every cook, or the grill can show errors and even catch fire on the next start.

On WiFIRE, touchscreen and Woodridge grills the cycle takes roughly 15 to 25 minutes. On older digital controllers it’s about 10 to 15 minutes. Don’t flip the power switch or pull the plug until it’s done.

If the last cook ended with a pulled plug, let the grill cool and clean the firepot before you restart.

4. Restart the Right Way

For D2 WiFIRE grills, Traeger’s sequence is short. Turn the grill on, close the lid, set the temperature, then press Ignite.

An improper start can throw off temperatures for the whole cook. Even hours later. If you suspect a bad start, shut down, clean out the firepot and start again.

5. Deal With Cold and Wind

Move the grill out of direct wind and keep the lid closed. Traeger suggests an insulation blanket for compatible models when it’s freezing, 32°F or below.

Winter is slower. Expect longer preheats and more pellet use. On grills with a downdraft exhaust instead of a chimney, Traeger notes that wind over 30 mph blowing straight into the exhaust for more than 10 minutes can put the fire out, so turn the exhaust toward a wall.

6. Open Up the Airflow

Check that foil or drip tray liners sit flat inside the tray and don’t hang over the edges. Keep food off the barrel walls.

If your grill has a chimney, Traeger says you should fit a thumb in the gap between the pipe and the cap. Too tight? Twist the cap.

7. Give Cold Food Time

Loading a full rack of fridge-cold brisket will dip the temperature. That’s normal. The grill should recover on its own, and the trick is to wait for a full preheat before the food goes on.

8. Check Firmware and the First Burn

On WiFIRE grills, go to Menu, then About Grill, and compare your firmware with the latest version Traeger lists. Leaving the grill on WiFi lets it update.

A brand-new grill’s seasoning burn runs at 450°F and can take up to an hour on touchscreen models. That slow first climb is normal.

9. Test the Parts

Only now do parts matter. Remove the grates, drip tray and heat baffle, start the grill, and hold your hand above the firepot without touching anything.

• Induction fan: You should feel a gentle breeze. No air? Unplug the grill, find the fan under the hopper and spin the blades by hand to break up grime.
• Hot rod: You should feel heat within about 3 to 5 minutes. No heat after that means a connection or hot rod problem.
• Temperature sensor: With the grill cold and off, the reading should sit within about 20°F of the outdoor air temperature.

On grills with a P-Setting, Traeger says a lower number speeds up the auger and feeds more pellets. That’s worth a try on a non-WiFi grill that runs cool on a windy day.

What the Low Temp Errors Mean

If the grill gave up completely, the screen may show an error. Traeger’s LEr code on older digital controllers means the temperature stayed below 125°F for more than 10 minutes, so the grill shut itself down.

WiFIRE grills show a Low Temp Error (ER02) when the temperature stays below 120°F for more than 10 minutes. The grill tries to reignite, then runs its shutdown cycle if that fails. If your grill shuts itself off often, my guide to a Traeger grill that keeps shutting off covers the full decision tree.

When to Call Traeger Support

I’d stop and call Traeger Support if any of these show up after cleaning and fresh pellets:

• The fan still won’t spin after you clean it and reseat its wire.
• The hot rod gives no heat after 5 minutes.
• The cold grill repeatedly reads more than 20°F away from the outdoor temperature.
• The grill won’t power up at all. In that case, start with what to do when a Traeger grill won’t turn on.

Always unplug the grill before you remove a controller or a hopper panel. And if the temperature is crashing mid-cook with dinner already on the grates, Traeger suggests moving the food to a preheated oven so it keeps cooking safely while you troubleshoot the grill at your own pace.

Why Is My Traeger Not Heating Up After Cleaning?

If the grill is spotless and still runs cool, I’d go back to two things people rarely suspect: the pellets in the auger tube and the last shutdown. Old pellets can sit in the auger even after you refill the hopper, and one pulled plug can leave the firepot overloaded.

Empty the hopper, clear the auger tube, prime the auger with fresh pellets and run a proper start. If that fails, test the fan, hot rod and sensor as above. For more pellet grill help, browse the Grills & Smokers section.

Frequently Asked Questions

How Long Should a Traeger Take to Heat Up?

It depends on the model, the weather and the set temperature. Traeger says a WiFIRE grill that hasn’t risen much after 15 minutes is taking longer than usual, which can be normal in cold weather. A new grill’s first seasoning burn can take up to an hour.

Why Is My Traeger Not Getting Hot Enough to Sear?

Most often it’s pellet quality, ash buildup or wind. I’d start with fresh pellets, a clean firepot and a sheltered spot, because Traeger ranks pellets and cleaning above any part.

Can Bad Pellets Really Stop a Traeger From Heating?

Yes. Traeger names poor pellet quality as the most common cause of temperature problems. Damp pellets produce less heat and can let the fire go out.

Why Does My Traeger Temperature Drop in the Middle of a Cook?

Opening the lid often, running low on pellets, wind and a dirty grill are the usual reasons. Pellets running out leaves a gap in the auger, so refill and give the grill a few minutes to recover.

How Often Should I Clean My Traeger Firepot?

Traeger recommends vacuuming ash out of the firepot at least every 20 hours of cook time. Clean it sooner after greasy cooks.

Last updated: November 10, 2026. Sources: Traeger: My Grill Isn’t Reaching the Set Temperature, Traeger: Grill Temperature Dropping Mid-Cook, Traeger: Low Temp Error ER02 and Traeger: LEr Error Code.