Timberwolf
Timberwolf Pellet Grills & Smokers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
Advertisements
ASH FULL
Display shows ASH FULL or Clean Firepot; grill may refuse to start until addressed.
Ash Level / Maintenance Reminder
AUG ERR
Display shows AUG ERR or Auger Error; auger stops feeding pellets during operation.
Auger Stall / Overcurrent Protection
Er1
Control panel displays Er1 and grill will not ignite or start the startup cycle.
RTD Temperature Probe Open Circuit
Er2
Control panel displays Er2 and grill shuts down or will not start; temperature reading is erratic or extremely high/low.
RTD Temperature Probe Shorted or Out of Range
Er3
Display shows Er3 and the grill stops heating; fan may still run briefly before shutdown.
High-Temperature Overlimit / Overheat Trip
Er4
Control panel shows Er4 and the auger does not feed pellets; grill will not ignite.
Auger Motor Circuit Open / Auger Motor Not Detected
Er5
Display shows Er5; combustion fan does not run and fire will not establish or maintain.
Combustion Fan Motor Circuit Fault
Er6
Control panel displays Er6 and grill shuts down; display may go blank or flicker.
Low Line Voltage / Power Supply Fault
Er7
Display shows Er7 and grill will not start; buttons may be unresponsive or partially functional.
Keypad / User Interface Communication Error
Er8
Display shows Er8 during startup; igniter does not glow and pellets do not ignite.
Hot Rod Igniter Circuit Fault
Er9
Display shows Er9 and grill temperature swings widely or will not reach setpoint.
Temperature Feedback / Calibration Error
FAN ERR
Display shows FAN ERR or Fan Error; grill may shut down or fail to ignite.
Combustion or Convection Fan Feedback Error
FLAME OUT
Display shows FLAME OUT or similar message; grill shuts down and stops feeding pellets mid-cook.
Loss of Combustion / Flame-Out Condition
HI TEMP
Display shows HI TEMP or Over Temp; grill shuts down or reduces feed rate.
Overtemperature Protection Triggered
HOPPER OPEN
Display shows HOPPER OPEN or similar; grill may not start or may pause operation.
Hopper Lid Switch Fault
IGN FAIL
Display shows IGN FAIL or Ignition Failure; grill times out during startup without establishing a flame.
Failed Automatic Ignition Sequence
LID OPEN
Display shows LID OPEN even when the lid is closed; grill may limit temperature or pause feed.
Lid Switch or Lid Sensor Fault
LOW TEMP
Display shows LOW TEMP or Unable to Reach Setpoint; grill struggles to heat and may shut down.
Insufficient Heat Output / Low Temperature Fault
NO PEL
Display shows NO PEL or similar; grill will not start or shuts down due to lack of fuel feed.
Pellet Feed Interruption / Hopper Empty Detection
SENSOR ERR
Display shows SENSOR ERR; grill may default to shutdown or run at incorrect temperatures.
Auxiliary Sensor Failure (Meat Probe or Ambient Sensor)
Symptom
Auger makes loud grinding or squealing noises during operation.
Auger Bearing Wear / Mechanical Binding
Symptom
Buttons on the control panel are unresponsive or require very hard presses.
Keypad Wear / Switch Failure
Symptom
Combustion fan is very loud, rattling, or vibrating heavily.
Fan Imbalance / Bearing Failure
Symptom
Display is dim, hard to read, or segments are missing.
Display Backlight or Segment Failure
Symptom
Grease bucket repeatedly overflows during normal cooking.
Excessive Grease Production / Drain Restriction
Symptom
Grease fire occurs in the cook chamber during use.
Uncontrolled Grease Ignition
Symptom
Grease is dripping from the bottom of the grill or running down the legs.
Grease Management System Failure
Symptom
Grill ignites but then goes out after 5–15 minutes of operation.
Unstable Combustion / Early Flame-Out
Symptom
Grill leaks smoke heavily from the lid and side seams.
Door Seal Degradation / Body Leakage
Symptom
Grill overshoots the set temperature by 50°F or more and runs too hot.
Runaway Temperature / Overfeeding Pellets
Symptom
Grill powers on but will not start the ignition cycle when START is pressed.
Startup Logic / Safety Interlock Not Satisfied
Symptom
Grill produces excessive white smoke and sooty residue on food.
Incomplete Combustion / Rich Burn
Symptom
Grill produces very little smoke even at low temperatures.
Lean Combustion / High Airflow
Symptom
Grill temperature fluctuates widely (±40–60°F) during a cook.
Unstable Temperature Control
Symptom
Grill will not power on at all; display is blank and no fans or motors run.
No Power / Dead Control System
Symptom
Metallic grinding or scraping noise when opening or closing the lid.
Lid Hinge or Handle Mechanical Interference
Symptom
Pellets in the hopper swell, crumble, or form clumps.
Pellet Moisture Contamination
Symptom
Rust forming inside the cook chamber or on grates.
Corrosion of Interior Surfaces
Symptom
Strong chemical or plastic smell during first few cooks.
Burn-In Residue / Protective Coating Off-Gassing
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| ASH FULL |
Display shows ASH FULL or Clean Firepot; grill may refuse to start until addressed.
|
Ash Level / Maintenance Reminder | View Details |
| AUG ERR |
Display shows AUG ERR or Auger Error; auger stops feeding pellets during operation.
|
Auger Stall / Overcurrent Protection | View Details |
| Er1 |
Control panel displays Er1 and grill will not ignite or start the startup cycle.
|
RTD Temperature Probe Open Circuit | View Details |
| Er2 |
Control panel displays Er2 and grill shuts down or will not start; temperature reading is erratic or extremely high/low.
|
RTD Temperature Probe Shorted or Out of Range | View Details |
| Er3 |
Display shows Er3 and the grill stops heating; fan may still run briefly before shutdown.
|
High-Temperature Overlimit / Overheat Trip | View Details |
| Er4 |
Control panel shows Er4 and the auger does not feed pellets; grill will not ignite.
|
Auger Motor Circuit Open / Auger Motor Not Detected | View Details |
| Er5 |
Display shows Er5; combustion fan does not run and fire will not establish or maintain.
|
Combustion Fan Motor Circuit Fault | View Details |
| Er6 |
Control panel displays Er6 and grill shuts down; display may go blank or flicker.
|
Low Line Voltage / Power Supply Fault | View Details |
| Er7 |
Display shows Er7 and grill will not start; buttons may be unresponsive or partially functional.
|
Keypad / User Interface Communication Error | View Details |
| Er8 |
Display shows Er8 during startup; igniter does not glow and pellets do not ignite.
|
Hot Rod Igniter Circuit Fault | View Details |
| Er9 |
Display shows Er9 and grill temperature swings widely or will not reach setpoint.
|
Temperature Feedback / Calibration Error | View Details |
| FAN ERR |
Display shows FAN ERR or Fan Error; grill may shut down or fail to ignite.
|
Combustion or Convection Fan Feedback Error | View Details |
| FLAME OUT |
Display shows FLAME OUT or similar message; grill shuts down and stops feeding pellets mid-cook.
|
Loss of Combustion / Flame-Out Condition | View Details |
| HI TEMP |
Display shows HI TEMP or Over Temp; grill shuts down or reduces feed rate.
|
Overtemperature Protection Triggered | View Details |
| HOPPER OPEN |
Display shows HOPPER OPEN or similar; grill may not start or may pause operation.
|
Hopper Lid Switch Fault | View Details |
| IGN FAIL |
Display shows IGN FAIL or Ignition Failure; grill times out during startup without establishing a flame.
|
Failed Automatic Ignition Sequence | View Details |
| LID OPEN |
Display shows LID OPEN even when the lid is closed; grill may limit temperature or pause feed.
|
Lid Switch or Lid Sensor Fault | View Details |
| LOW TEMP |
Display shows LOW TEMP or Unable to Reach Setpoint; grill struggles to heat and may shut down.
|
Insufficient Heat Output / Low Temperature Fault | View Details |
| NO PEL |
Display shows NO PEL or similar; grill will not start or shuts down due to lack of fuel feed.
|
Pellet Feed Interruption / Hopper Empty Detection | View Details |
| SENSOR ERR |
Display shows SENSOR ERR; grill may default to shutdown or run at incorrect temperatures.
|
Auxiliary Sensor Failure (Meat Probe or Ambient Sensor) | View Details |
| – |
Auger makes loud grinding or squealing noises during operation.
|
Auger Bearing Wear / Mechanical Binding | View Details |
| – |
Buttons on the control panel are unresponsive or require very hard presses.
|
Keypad Wear / Switch Failure | View Details |
| – |
Combustion fan is very loud, rattling, or vibrating heavily.
|
Fan Imbalance / Bearing Failure | View Details |
| – |
Display is dim, hard to read, or segments are missing.
|
Display Backlight or Segment Failure | View Details |
| – |
Grease bucket repeatedly overflows during normal cooking.
|
Excessive Grease Production / Drain Restriction | View Details |
| – |
Grease fire occurs in the cook chamber during use.
|
Uncontrolled Grease Ignition | View Details |
| – |
Grease is dripping from the bottom of the grill or running down the legs.
|
Grease Management System Failure | View Details |
| – |
Grill ignites but then goes out after 5–15 minutes of operation.
|
Unstable Combustion / Early Flame-Out | View Details |
| – |
Grill leaks smoke heavily from the lid and side seams.
|
Door Seal Degradation / Body Leakage | View Details |
| – |
Grill overshoots the set temperature by 50°F or more and runs too hot.
|
Runaway Temperature / Overfeeding Pellets | View Details |
| – |
Grill powers on but will not start the ignition cycle when START is pressed.
|
Startup Logic / Safety Interlock Not Satisfied | View Details |
| – |
Grill produces excessive white smoke and sooty residue on food.
|
Incomplete Combustion / Rich Burn | View Details |
| – |
Grill produces very little smoke even at low temperatures.
|
Lean Combustion / High Airflow | View Details |
| – |
Grill temperature fluctuates widely (±40–60°F) during a cook.
|
Unstable Temperature Control | View Details |
| – |
Grill will not power on at all; display is blank and no fans or motors run.
|
No Power / Dead Control System | View Details |
| – |
Metallic grinding or scraping noise when opening or closing the lid.
|
Lid Hinge or Handle Mechanical Interference | View Details |
| – |
Pellets in the hopper swell, crumble, or form clumps.
|
Pellet Moisture Contamination | View Details |
| – |
Rust forming inside the cook chamber or on grates.
|
Corrosion of Interior Surfaces | View Details |
| – |
Strong chemical or plastic smell during first few cooks.
|
Burn-In Residue / Protective Coating Off-Gassing | View Details |
No matching codes found
Advertisements