Traeger Grill Error Codes: What to Replace and How to Fix Them Fast

If your Traeger pellet grill shows Err, Er1, Er2, Er4, HEr, LEr, Er3, Er5, Er6, or Er7, you don’t always need a new grill. In many cases, one replacement part can get you back to smoking.

At [GrillPartsReplacement.com], we carry replacement parts for Traeger and other pellet grills. Use this guide to identify the error code, find the likely failed part, and shop the fix.

Quick answer:

• Err / Er1 → RTD probe connection issue

• Er2 → RTD probe failure

• Er4 → Induction fan disconnected

• HEr → High Error Reading

• LEr → Low Error Reading

• Er3 / Er5 → Ignitor disconnected

• Er6 → Auger disconnected

• Er7 → Auger jammed

Note: Err, Er1, Er2, and Er4 typically appear only on Traeger pellet grills without WiFi connectivity. HEr and LEr are common on non-WiFIRE grills with 3-digit digital controllers.

Shop by Traeger Error Code

Traeger Err and Er1 Error — RTD Probe Connection

What Err or Er1 Means

The Err or Er1 code means there is a bad connection or a complete disconnect between the RTD probe and the control panel.

How to Fix Err or Er1

1. Turn off and unplug the grill.

2. Remove the two Phillips-head screws holding the controller in place.

3. On the back of the controller, loosen the flathead brackets on the green box that hold the RTD wires.

4. Disconnect the RTD wires from the green housing box. You do not need to unscrew the screws completely.

5. Re-insert the RTD wires and re-tighten the flathead brackets.

6. Reinstall the controller and screws.

7. Plug in the grill and turn it on.

If Err or Er1 still appears, replace the RTD probe.

Shop the fix:
👉 [Replacement RTD Probe for Traeger]
👉 [Controller Replacement for Traeger]

Traeger Er2 Error — RTD Probe Failure

What Er2 Means

An Er2 error means the RTD probe — the temperature sensor — has failed.

How to Fix Er2

Replace the RTD probe.

Shop the fix:
👉 [Replacement RTD Probe for Traeger]

Traeger Er4 Error — Induction Fan Disconnected

What Er4 Means

An Er4 error means the induction fan has been disconnected.

How to Fix Er4

1. Turn off and unplug the grill.

2. If your hopper has a bottom service panel, remove it by unscrewing the screws.

3. Locate the draft induction fan. If you have trouble finding it, follow the orange wires.

4. Check the fan connection.

5. If the fan is connected but Er4 still appears, replace the fan.

Shop the fix:
👉 [Replacement Induction Fan for Traeger, AC Fan, DC Fan]

Traeger HEr Error — High Error Reading

What HEr Means

HEr stands for High Error Reading. It occurs on non-WiFIRE grills with 3-digit digital controllers when the grill temperature exceeds 550°F / 287°C.

Common Causes of HEr

• Grease fires

• Poor maintenance

• Incorrect setup

How to Fix HEr

Turn off the grill and let it cool. Clean the grill thoroughly, check for grease buildup, and verify the setup. If the error keeps returning, check the RTD probe and controller.

Shop the fix:
👉 [Replacement RTD Probe]
👉 [Controller Replacement for Traeger] 

Traeger LEr Error — Low Error Reading

What LEr Means

LEr stands for Low Error Reading. On non-WiFIRE Traeger grills, it occurs when the grill temperature drops below 125°F / 52°C for more than 10 minutes, causing shutdown.

Common Causes of LEr

• Improper startup

• Poor pellet quality

• Cold weather

• Clogged components

• Mechanical issues

How to Fix LEr

Check your startup procedure, use dry high-quality pellets, clean clogged components, and inspect mechanical parts. If the issue continues, check the RTD probe, induction fan, and auger motor.

Shop the fix:
👉 [Replacement RTD Probe]
👉 [Replacement Induction Fan]
👉 [Auger Motor for Traeger, AC Motor, DC Motor]

Traeger Er3 or Er5 Error — Ignitor Disconnected

What Er3 or Er5 Means

An Er3 or Er5 error means the grill’s ignitor is disconnected.

How to Fix Er3 or Er5

Check the ignitor wiring and reconnect it if loose. If the error continues, replace the ignitor.

Shop the fix:
👉 [Replacement Ignitor for Traeger, AC ignitor, DC Ignitor]

Traeger Er6 Error — Auger Disconnected

What Er6 Means

An Er6 error means the auger has been disconnected.

How to Fix Er6

Check the auger motor and wiring. Reconnect loose connections and restart the grill. If the error remains, replace the auger motor or auger.

Shop the fix:
👉 [Auger Motor for Traeger, AC Motor, DC Motor]
👉 [Replacement Auger]

Traeger Er7 Error — Auger Jammed

What Er7 Means

An Er7 error means the auger has jammed.

How to Fix Er7

Turn off and unplug the grill. Empty the hopper and inspect the auger for blockages, debris, or wet pellets. Clear the jam. If the auger or motor is damaged, replace it.

Shop the fix:
👉 [Replacement Auger]
👉 [Auger Motor for Traeger, AC Motor, DC Motor]

Not sure which part you need?
Send us your Traeger model number, serial number, and error code, and our team will help you find the right replacement part.

👉 [Contact Us for Part Fitment Help, Support@grillpartsreplacement.com]

How to Choose the Right Replacement Part

Before ordering, check these details:

1. Grill model number — located on the hopper or serial plate.

2. Serial number — helps confirm the correct version.

3. Controller type — WiFi vs. non-WiFi, 3-digit vs. digital.

4. Connector style — RTD, fan, ignitor, and auger plugs can vary.

5. Voltage and plug type — important for motors and fans.

If you’re unsure, contact us with photos of the old part and your grill label. We’ll help you match it.

Conclusion

Most Traeger error codes can be fixed with the right replacement part. Always turn off and unplug the grill before servicing it.

Ready to fix your Traeger?
👉 [Shop Replacement Parts Now]