Nexgrill
Nexgrill Pellet Grills & Smokers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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AUG
Display shows AUG error and auger does not turn during startup
Auger Motor Circuit Fault
Er1
Control panel displays Er1 and grill will not ignite or start a cook cycle
RTD Temperature Probe Open Circuit
Er2
Control panel displays Er2 and temperature reading is erratic or grill shuts down
RTD Temperature Probe Short Circuit
Er3
Display shows Er3 and grill will not start or shuts down shortly after startup
Igniter Rod Failure or Ignition Timeout
Er4
Display shows Er4 and grill shuts down or will not maintain temperature
High Temperature Overheat Protection Triggered
Er5
Display shows Er5 and auger does not turn; grill fails to feed pellets
Auger Motor Overload or Jam Detected
Er6
Display shows Er6 and grill will not power up fully or buttons are unresponsive
Control Panel Communication or Keypad Failure
Er7
Display shows Er7 and grill shuts down unexpectedly during a cook
Power Supply or Voltage Fault
Err
Display shows generic Err and grill will not operate
General Control System Fault
FAN
Display shows FAN error and grill shuts down or fails to ignite properly
Combustion Fan Failure or Feedback Error
FL
Display shows FL or "Flame Out" and grill stops feeding pellets mid‑cook
Flame-Out Condition Detected
H1
Display shows H1 and temperature reading is abnormally high or stuck at maximum
Cook Chamber Temperature Sensor Over-Range
IGN
Display shows IGN error and pellets feed but never ignite
Ignition Circuit Fault
L1
Display shows L1 and grill will not heat above low temperatures
Cook Chamber Temperature Sensor Under-Range
noP
Display shows "noP" or similar no‑pellet warning and grill shuts down
Pellet Starvation Detected
PrE
Display shows PrE or "Preheat" error and grill cannot reach set temperature during startup
Preheat Timeout
SEn
Display shows SEn or "Sensor" error and grill will not start
General Temperature Sensor Fault
Symptom
Auger makes loud grinding or squealing noise during operation
Auger Bearing Wear or Debris in Auger Tube
Symptom
Chimney cap or exhaust stack dripping brown liquid onto deck or patio
Condensed Creosote and Grease Drip
Symptom
Combustion fan is very loud, rattling, or vibrating the grill
Combustion Fan Imbalance or Bearing Failure
Symptom
Display is very dim or unreadable in normal lighting
Backlight or Display Failure
Symptom
Display temperature much higher or lower than actual grill temperature
Temperature Calibration / Sensor Accuracy Issue
Symptom
Display works but buttons are unresponsive or require very hard presses
Keypad / Button Panel Wear
Symptom
Grease dripping from bottom of grill or running down legs
Grease Management System Blockage or Misalignment
Symptom
Grill shuts off when lid is opened or closed hard
Intermittent Power or Loose Connection
Symptom
Heavy smoke leaks from lid edges and door seams instead of chimney
Lid Seal / Gasket Failure
Symptom
Pellet grill cabinet or side shelf becomes excessively hot to touch
Heat Shielding or Airflow Issue
Symptom
Pellet grill overshoots set temperature by 50–100°F and fluctuates widely
Temperature Overshoot / Poor Regulation
Symptom
Pellet grill powers on but will not ignite; pellets feed but only smoke, no flame
Failed Ignition / Weak Igniter
Symptom
Pellet grill runs but cannot reach set temperature; stuck 50–100°F below target
Insufficient Heat Output
Symptom
Pellet grill starts but then shuts down after 5–15 minutes with unburned pellets in fire pot
Intermittent Flame-Out During Early Cook
Symptom
Pellet grill will not power on at all; no lights or display
No Power / Dead Control System
Symptom
Pellets in hopper become swollen, crumble, or form clumps; grill struggles to stay lit
Pellet Moisture Contamination
Symptom
Rust forming inside cook chamber or on grates
Corrosion of Interior Surfaces
Symptom
Smoke backs up through hopper during operation
Backdraft Through Auger Tube
Symptom
Strong chemical or plastic smell during first few cooks
Initial Burn-In Residue / Coating Off-Gassing
Symptom
Uneven cooking; one side of grill much hotter than the other
Heat Distribution Imbalance
Symptom
Visible grease fire in cook chamber or under drip pan
Grease Ignition / Fire Hazard
Symptom
Wi‑Fi or app connectivity issues with Nexgrill smart pellet grill
Wireless Module or Network Configuration Problem
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| AUG |
Display shows AUG error and auger does not turn during startup
|
Auger Motor Circuit Fault | View Details |
| Er1 |
Control panel displays Er1 and grill will not ignite or start a cook cycle
|
RTD Temperature Probe Open Circuit | View Details |
| Er2 |
Control panel displays Er2 and temperature reading is erratic or grill shuts down
|
RTD Temperature Probe Short Circuit | View Details |
| Er3 |
Display shows Er3 and grill will not start or shuts down shortly after startup
|
Igniter Rod Failure or Ignition Timeout | View Details |
| Er4 |
Display shows Er4 and grill shuts down or will not maintain temperature
|
High Temperature Overheat Protection Triggered | View Details |
| Er5 |
Display shows Er5 and auger does not turn; grill fails to feed pellets
|
Auger Motor Overload or Jam Detected | View Details |
| Er6 |
Display shows Er6 and grill will not power up fully or buttons are unresponsive
|
Control Panel Communication or Keypad Failure | View Details |
| Er7 |
Display shows Er7 and grill shuts down unexpectedly during a cook
|
Power Supply or Voltage Fault | View Details |
| Err |
Display shows generic Err and grill will not operate
|
General Control System Fault | View Details |
| FAN |
Display shows FAN error and grill shuts down or fails to ignite properly
|
Combustion Fan Failure or Feedback Error | View Details |
| FL |
Display shows FL or "Flame Out" and grill stops feeding pellets mid‑cook
|
Flame-Out Condition Detected | View Details |
| H1 |
Display shows H1 and temperature reading is abnormally high or stuck at maximum
|
Cook Chamber Temperature Sensor Over-Range | View Details |
| IGN |
Display shows IGN error and pellets feed but never ignite
|
Ignition Circuit Fault | View Details |
| L1 |
Display shows L1 and grill will not heat above low temperatures
|
Cook Chamber Temperature Sensor Under-Range | View Details |
| noP |
Display shows "noP" or similar no‑pellet warning and grill shuts down
|
Pellet Starvation Detected | View Details |
| PrE |
Display shows PrE or "Preheat" error and grill cannot reach set temperature during startup
|
Preheat Timeout | View Details |
| SEn |
Display shows SEn or "Sensor" error and grill will not start
|
General Temperature Sensor Fault | View Details |
| – |
Auger makes loud grinding or squealing noise during operation
|
Auger Bearing Wear or Debris in Auger Tube | View Details |
| – |
Chimney cap or exhaust stack dripping brown liquid onto deck or patio
|
Condensed Creosote and Grease Drip | View Details |
| – |
Combustion fan is very loud, rattling, or vibrating the grill
|
Combustion Fan Imbalance or Bearing Failure | View Details |
| – |
Display is very dim or unreadable in normal lighting
|
Backlight or Display Failure | View Details |
| – |
Display temperature much higher or lower than actual grill temperature
|
Temperature Calibration / Sensor Accuracy Issue | View Details |
| – |
Display works but buttons are unresponsive or require very hard presses
|
Keypad / Button Panel Wear | View Details |
| – |
Grease dripping from bottom of grill or running down legs
|
Grease Management System Blockage or Misalignment | View Details |
| – |
Grill shuts off when lid is opened or closed hard
|
Intermittent Power or Loose Connection | View Details |
| – |
Heavy smoke leaks from lid edges and door seams instead of chimney
|
Lid Seal / Gasket Failure | View Details |
| – |
Pellet grill cabinet or side shelf becomes excessively hot to touch
|
Heat Shielding or Airflow Issue | View Details |
| – |
Pellet grill overshoots set temperature by 50–100°F and fluctuates widely
|
Temperature Overshoot / Poor Regulation | View Details |
| – |
Pellet grill powers on but will not ignite; pellets feed but only smoke, no flame
|
Failed Ignition / Weak Igniter | View Details |
| – |
Pellet grill runs but cannot reach set temperature; stuck 50–100°F below target
|
Insufficient Heat Output | View Details |
| – |
Pellet grill starts but then shuts down after 5–15 minutes with unburned pellets in fire pot
|
Intermittent Flame-Out During Early Cook | View Details |
| – |
Pellet grill will not power on at all; no lights or display
|
No Power / Dead Control System | View Details |
| – |
Pellets in hopper become swollen, crumble, or form clumps; grill struggles to stay lit
|
Pellet Moisture Contamination | View Details |
| – |
Rust forming inside cook chamber or on grates
|
Corrosion of Interior Surfaces | View Details |
| – |
Smoke backs up through hopper during operation
|
Backdraft Through Auger Tube | View Details |
| – |
Strong chemical or plastic smell during first few cooks
|
Initial Burn-In Residue / Coating Off-Gassing | View Details |
| – |
Uneven cooking; one side of grill much hotter than the other
|
Heat Distribution Imbalance | View Details |
| – |
Visible grease fire in cook chamber or under drip pan
|
Grease Ignition / Fire Hazard | View Details |
| – |
Wi‑Fi or app connectivity issues with Nexgrill smart pellet grill
|
Wireless Module or Network Configuration Problem | View Details |
No matching codes found
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