Traeger Ironwood 885 Auger Motor Not Feeding Pellets: Diagnosis

⚠️ WARNING. This appliance is connected to the mains. It is mandatory to always unplug it before any disassembly. If the physical intervention is complex, it is recommended to rely on a qualified technician for your safety. ReeFix provides this diagnosis EXCLUSIVELY for educational and informational purposes.

BEFORE THE FAILURE

Often, the malfunction of the auger motor in a Traeger Ironwood 885, which manifests with the "HEr" error and failure to feed pellets, has roots in pre-existing conditions or usage habits. It frequently happens when using low-quality pellets, or pellets that have been exposed to high humidity. Humidity causes pellets to swell, making them harder to transport and causing obstructions in the auger. Insufficient maintenance, leading to creosote or debris buildup in the fire pot and auger tube, can also overload the motor. Sometimes, the motor itself or its gearbox has started to show signs of fatigue, such as unusual noises or intermittent feeding, which have been ignored.

AT THE TIME OF FAILURE

When the grill displays the "HEr" error and does not feed pellets, it means that the control system has detected a critical anomaly in the combustion or feeding process. The auger, which is a helical screw driven by a motor, fails to push pellets from the hopper to the fire pot. Immediate diagnosis focuses on what is preventing this movement.

Causes and Probabilities:

1. Mechanical obstruction of the auger (35-45%): Moisture-swollen pellets, foreign debris, or excessive creosote buildup block the rotation of the screw. This is the most common cause and often related to use or maintenance.
2. Faulty auger motor (25-30%): The electric motor itself is not working. It could be burnt out, have an internal short circuit, or its gearbox might be damaged or jammed. This manifests as an absence of noise or a faint hum without rotation.
3. Defective main control board (15-20%): The board does not send correct power to the auger motor or does not receive feedback. Less likely than a mechanical or motor failure, but possible, especially if there are other electronic malfunctions.
4. Faulty igniter (Hot Rod) (5-10%): If the igniter does not light the pellets, the system interprets the failure of temperature rise as a feeding problem, activating the "HEr" error even if the auger is working. This is a false positive that confuses the system.
5. Defective wiring or connectors (5-8%): Loose, corroded connections or damaged cables between the control board and the auger motor can prevent it from functioning.

Key signs:

• No noise from the auger motor or a faint hum.
• Pellets visibly blocked at the auger inlet.
• The fire pot remains empty or with few unlit pellets.

AFTER THE EVENT

To decide what to do, it is essential to perform some quick checks.

Quick checks (DIY - Always disconnect power):

1. Visual inspection of the auger: Empty the pellet hopper. Remove the grill grate and drip tray. Inspect the auger tube and fire pot for obstructions (clumped pellets, foreign objects, creosote). Try to manually rotate the auger (with the appliance unplugged) to feel if it's jammed. If it's jammed, remove the obstruction.
2. Auditory motor test (with caution): Briefly reconnect the grill. Start it. Listen carefully if the auger motor hums or attempts to rotate. If there is no sound, or only a click, the motor or its power supply is likely the problem. If the auger does not rotate but the motor hums, the obstruction is severe or the gearbox is damaged.
3. Connector check: With the appliance unplugged, verify that all connectors of the auger motor and igniter are secure and show no signs of corrosion or burns.

Tools needed (for advanced DIY or technician):

• Multimeter
• Screwdriver set
• Wire strippers/crimpers

Indicative costs (parts only):

• Traeger Ironwood 885 Auger Motor: 60-120 euros
• Traeger Ironwood 885 Igniter (Hot Rod): 30-70 euros
• Traeger Ironwood 885 Control Board: 150-300+ euros

Operational decision: If the quick checks indicate a manually resolvable obstruction, you can repair it yourself. If the auger motor shows no signs of life or hums without turning, and you are familiar with a multimeter to test the motor and its power supply, you can attempt to replace the Traeger Ironwood 885 Auger Motor. If tests indicate a problem with the Traeger Ironwood 885 Control Board or the Traeger Ironwood 885 Igniter, or if you don't feel confident, consult a technician. If the estimated cost of parts and labor exceeds 50-60% of the value of a new grill, consider replacing the device.