Troubleshooting Your Pit Boss: A Comprehensive Guide to Error Codes

Pit Boss pellet grills have revolutionized outdoor cooking, offering convenience and consistent results. However, like any sophisticated appliance, they can sometimes throw error codes, signaling a problem that needs your attention. Understanding these error codes and knowing how to troubleshoot them is crucial for maintaining your grill and ensuring delicious meals. This guide will walk you through common Pit Boss error codes, their causes, and effective solutions.

Table of Contents

Understanding Pit Boss Error Codes

Error codes on your Pit Boss grill are diagnostic messages displayed on the control panel. They indicate a malfunction or an issue that prevents the grill from operating correctly. Ignoring these codes can lead to further damage or inconsistent cooking. Learning to interpret these codes empowers you to quickly diagnose and resolve problems, minimizing downtime and maximizing your grilling enjoyment. Different models might use slightly different codes, but the general principles remain the same.

Common Pit Boss Error Codes and Their Meanings

Let’s delve into some of the most frequently encountered Pit Boss error codes:

LER (Low End Runaway): This indicates the grill is exceeding the set temperature significantly.
HER (High End Runaway): This signifies the grill is not reaching the set temperature within a reasonable timeframe.
Er1/LEr: Generally points to a problem with the RTD (Resistance Temperature Detector) probe, the component that measures the grill’s internal temperature. This can be a faulty probe, a loose connection, or even a dirty probe.
Er2/HEr: Often relates to the auger motor or the fire pot. It could mean the auger is jammed, the motor is malfunctioning, or there’s an obstruction in the fire pot preventing proper ignition.
PULSE ERROR (Some models): Signals an issue with the PWM (Pulse Width Modulation) control, which regulates the auger motor speed. This error could be triggered by a faulty PWM controller or a wiring problem.
Erl (Temperature Sensor Error): Indicates an issue with the temperature sensor, similar to Er1/LEr but might specify a slightly different sensor or circuit.
ER-3: Indicates that the grill has exceeded a set internal temperature, usually around 500-550 degrees Fahrenheit and will shut the grill down for safety.
LO: Typically indicates the grill is not getting up to temp.
HI: Typically indicates the grill has exceeded the maximum temperature.

These are just a few examples, and your Pit Boss manual will provide a comprehensive list specific to your model. It’s always best to consult your manual first when encountering an error code.

Troubleshooting the “LER” Error

The LER error, signaling a “Low End Runaway,” means your grill is overheating and exceeding the set temperature by a considerable margin. This can be dangerous and affect the quality of your cooking.

Possible Causes of LER Error

Several factors can contribute to the LER error:

Excessive Pellets in the Fire Pot: If too many pellets are being fed into the fire pot, the grill can overheat.
Dirty RTD Probe: A dirty or improperly positioned RTD probe can provide inaccurate temperature readings, causing the controller to overcompensate.
Faulty Temperature Controller: A malfunctioning temperature controller might be sending incorrect signals to the auger, resulting in overfeeding of pellets.
Damaged or Faulty RTD (Resistance Temperature Detector) Probe: If the probe is physically damaged or malfunctioning, it cannot accurately read the temperature.
Too Much Airflow: Excessive airflow to the firepot will result in the grill burning hotter than it’s set temperature.

Steps to Fix the LER Error

Follow these steps to troubleshoot and resolve the LER error:

Shut Down the Grill: Immediately turn off and unplug the grill to prevent further overheating. Let the grill cool down completely before proceeding.
Inspect the Fire Pot: Once cool, remove the grates, drip pan, and heat baffle. Carefully inspect the fire pot. If you find a large accumulation of unburnt pellets, remove them manually.
Clean the RTD Probe: Gently clean the RTD probe with a clean, dry cloth. Ensure it’s free from grease, soot, or any other debris. Be careful not to damage the probe.
Check the RTD Probe Placement: Make sure the RTD probe is properly positioned within the grill. It should be securely mounted and not touching any other components.
Inspect the Auger Tube: Check the auger tube for any obstructions that might be causing excessive pellet feeding.
Test the Temperature Controller (If Possible): If you have a multimeter and are comfortable working with electrical components, you can test the temperature controller according to the manufacturer’s instructions. However, if you’re not experienced, it’s best to consult a qualified technician.
Check the Airflow: Ensure proper airflow through the grill. A blocked exhaust vent can contribute to overheating. Clean the vent if necessary.
Restart the Grill: After performing these checks, plug the grill back in and turn it on. Monitor the temperature closely to see if the LER error reappears.
Contact Pit Boss Support: If the LER error persists, it’s time to contact Pit Boss customer support for further assistance. They may be able to provide more specific troubleshooting steps or recommend a replacement part.

Addressing the “HER” Error

The HER error, or “High End Runaway,” indicates that your grill is struggling to reach the set temperature. This can result in prolonged cooking times and unevenly cooked food.

Possible Causes of HER Error

Several factors can prevent the grill from reaching the desired temperature, triggering the HER error:

Insufficient Pellets: The hopper might be empty, or the auger might not be feeding pellets properly.
Clogged Fire Pot: A buildup of ash or unburnt pellets in the fire pot can restrict airflow and prevent proper ignition.
Faulty Igniter: The igniter, responsible for starting the fire, may be malfunctioning.
Loose Connections: Loose wiring connections can disrupt the electrical current to the igniter or auger motor.
Ambient Temperature: Extremely cold weather can make it difficult for the grill to reach and maintain temperature.
Wind: Strong winds can steal heat from the grill.

Steps to Fix the HER Error

Follow these steps to diagnose and resolve the HER error:

Check the Pellet Hopper: Ensure the pellet hopper is adequately filled with high-quality wood pellets.
Inspect the Auger: Observe the auger to make sure it’s turning and feeding pellets into the fire pot. If it’s not turning, there might be a jam or a motor problem.
Clean the Fire Pot: Remove the grates, drip pan, and heat baffle. Thoroughly clean the fire pot, removing all ash and unburnt pellets.
Check the Igniter: Inspect the igniter to see if it’s glowing red when the grill is turned on. If it’s not, the igniter might be faulty and need replacement.
Inspect Wiring Connections: Check all wiring connections to the igniter, auger motor, and temperature controller for any looseness or corrosion.
Consider Ambient Temperature: If it’s very cold outside, preheat the grill for a longer period and consider using a grill blanket to insulate the grill and help it retain heat.
Shelter from Wind: Position the grill in a location shielded from strong winds.
Prime the Auger: Sometimes the auger tube can become empty. Prime the auger by manually feeding pellets into the firepot and auger tube.
Restart the Grill: After performing these checks, restart the grill and monitor the temperature.
Contact Pit Boss Support: If the HER error persists, contact Pit Boss customer support for further assistance.

Troubleshooting Er1/LEr and Erl Errors (RTD Probe Issues)

The Er1/LEr and Erl errors generally point to a problem with the RTD (Resistance Temperature Detector) probe, which measures the grill’s internal temperature.

Possible Causes of RTD Probe Errors

Faulty Probe: The probe itself might be defective.
Loose Connection: The wiring connection to the probe could be loose or corroded.
Damaged Wiring: The wiring leading to the probe might be damaged.
Dirty Probe: A dirty probe can provide inaccurate readings.
Improper Placement: The probe might not be properly positioned within the grill.

Steps to Fix RTD Probe Errors

Clean the Probe: Gently clean the RTD probe with a clean, dry cloth.
Check the Connection: Inspect the wiring connection to the probe. Ensure it’s secure and free from corrosion. Clean the contacts if necessary.
Inspect the Wiring: Check the wiring leading to the probe for any damage, such as cuts or frayed wires. Replace the wiring if damaged.
Verify Probe Placement: Make sure the probe is properly positioned within the grill.
Test the Probe (If Possible): If you have a multimeter, you can test the RTD probe for resistance. Consult your Pit Boss manual for the correct resistance values.
Replace the Probe: If the probe is faulty, replace it with a new RTD probe.
Restart the Grill: After performing these checks, restart the grill and monitor the temperature.
Contact Pit Boss Support: If the error persists after replacing the probe, contact Pit Boss customer support.

Addressing Er2/HEr Errors (Auger/Fire Pot Issues)

The Er2/HEr error often relates to the auger motor or the fire pot, indicating a problem with pellet feeding or ignition.

Possible Causes of Auger/Fire Pot Errors

Auger Jam: The auger might be jammed by foreign objects or compacted pellets.
Faulty Auger Motor: The auger motor might be malfunctioning.
Obstruction in the Fire Pot: Ash or unburnt pellets might be blocking the fire pot.
Low-Quality Pellets: Low-quality pellets can create excessive ash and contribute to jams.

Steps to Fix Auger/Fire Pot Errors

Unplug the Grill: Disconnect the grill from the power source before working on the auger or fire pot.
Inspect the Auger: Access the auger and carefully inspect it for any jams or obstructions. Remove any foreign objects or compacted pellets.
Test the Auger Motor: If possible, test the auger motor to see if it’s functioning correctly. You might need to consult your Pit Boss manual for specific testing procedures. If the motor is not working, it may need replacement.
Clean the Fire Pot: Thoroughly clean the fire pot, removing all ash and unburnt pellets.
Use High-Quality Pellets: Switch to high-quality wood pellets to minimize ash buildup and reduce the risk of jams.
Prime the Auger: After cleaning the auger and fire pot, prime the auger by manually feeding pellets into the auger tube.
Restart the Grill: Plug the grill back in and turn it on. Monitor the auger and fire pot to ensure they are functioning properly.
Contact Pit Boss Support: If the Er2/HEr error persists, contact Pit Boss customer support.

Dealing with “PULSE ERROR” (PWM Issues)

The “PULSE ERROR” (found on some models) indicates a problem with the PWM (Pulse Width Modulation) control, which regulates the auger motor speed.

Possible Causes of PWM Errors

Faulty PWM Controller: The PWM controller itself might be malfunctioning.
Wiring Problems: There might be loose or damaged wiring connecting the PWM controller to the auger motor.
Auger Motor Issues: Problems with the auger motor can sometimes trigger a PWM error.

Steps to Fix PWM Errors

Check Wiring Connections: Inspect all wiring connections between the PWM controller and the auger motor. Ensure they are secure and free from corrosion.
Test the Auger Motor: Test the auger motor to see if it’s functioning correctly.
Replace the PWM Controller: If the wiring and auger motor are fine, the PWM controller might be faulty and need replacement.
Contact Pit Boss Support: If the “PULSE ERROR” persists after replacing the PWM controller, contact Pit Boss customer support.

Preventive Maintenance for Your Pit Boss Grill

Preventive maintenance is key to minimizing error codes and extending the lifespan of your Pit Boss grill.

Regular Cleaning: Regularly clean the fire pot, grates, drip pan, and RTD probe.
Use High-Quality Pellets: Use high-quality wood pellets to minimize ash buildup.
Proper Storage: Store your grill in a dry place when not in use. Consider using a grill cover to protect it from the elements.
Inspect Wiring: Periodically inspect wiring connections for looseness or corrosion.
Check for Auger Jams: Regularly check the auger for jams and obstructions.
Follow Manufacturer’s Instructions: Always follow the manufacturer’s instructions for operation and maintenance.

By following these troubleshooting steps and implementing a regular maintenance schedule, you can keep your Pit Boss grill running smoothly and enjoy years of delicious barbecue. Always remember to consult your owner’s manual and contact Pit Boss support when necessary. Consistent care and attention will ensure your grill remains a reliable centerpiece for your outdoor cooking adventures.

What does the “LER” error code mean on my Pit Boss grill?

The “LER” error code on a Pit Boss grill typically indicates a Low Temperature Error. This means the grill’s temperature sensor is reading a temperature significantly lower than the set point, usually more than 50 degrees Fahrenheit below your target temperature. This can be caused by a variety of issues, ranging from a lack of fuel to a malfunctioning temperature sensor.

Troubleshooting this error starts with verifying you have enough pellets in the hopper. Also, check the auger to ensure it’s feeding pellets properly into the firepot. If the fuel supply is adequate, inspect the temperature sensor (RTD probe) for damage or loose connections. If the sensor appears damaged, it likely needs replacement. A faulty igniter could also cause this issue, preventing the grill from properly establishing a fire.

How do I fix the “HER” error code on my Pit Boss grill?

The “HER” error code signals a High Temperature Error on your Pit Boss. This error is triggered when the grill’s temperature exceeds a pre-determined safe limit, often around 550 degrees Fahrenheit. This is a safety mechanism to prevent damage and potential fire hazards, and it requires immediate attention to resolve.

To fix this, immediately turn off and unplug your grill. Allow it to cool down completely. Once cool, thoroughly clean the grill, paying special attention to removing any grease buildup in the firepot and around the temperature sensor. Excess grease can ignite and cause temperature spikes. Also, check the RTD probe to ensure it is properly positioned and not touching any metal parts, as this can give false high readings. After cleaning and inspection, restart the grill and monitor its temperature closely.

What causes the “ERR” error code on a Pit Boss grill?

The “ERR” error code on a Pit Boss grill is a general error indicator, suggesting a problem with the controller or its connection to other components. It’s a broad error message that requires further investigation to pinpoint the exact cause. This error can sometimes appear intermittently, making diagnosis challenging.

Start by checking all the wiring connections to the controller, auger motor, fan, and temperature sensor. Ensure all connections are secure and free from corrosion. Power cycle the grill by unplugging it for several minutes and then plugging it back in. If the error persists, the controller itself might be faulty and require replacement. In some cases, a software glitch can trigger this error; attempting to reset the controller to factory settings (if your model allows) might resolve the issue.

My Pit Boss shows an error code, but the grill seems to be working fine. Should I be concerned?

Yes, you should be concerned even if your Pit Boss seems to be functioning normally while displaying an error code. Error codes are indicators of underlying problems that, while not immediately affecting performance, could worsen over time or lead to more serious issues. Ignoring them could result in damage to the grill or unsafe operating conditions.

Despite the apparent normal operation, investigate the error code to identify the source of the problem. Consult your grill’s manual for a description of the error code and troubleshooting steps. Follow the recommended procedures to address the issue, even if the grill is currently working. Left unresolved, a seemingly minor problem indicated by the error code can escalate into a major malfunction requiring expensive repairs or replacement of parts.

How do I reset the controller on my Pit Boss grill after an error?

Resetting the controller on your Pit Boss grill after an error can sometimes clear the code and restore normal operation. However, the exact procedure varies depending on your specific Pit Boss model. Consult your owner’s manual for the recommended reset instructions for your particular grill.

A common method involves powering down the grill completely by unplugging it from the power source for several minutes. After waiting, plug the grill back in and power it on. Some models may have a specific reset button or a combination of button presses that initiates a reset. If a simple power cycle and waiting period doesn’t resolve the issue, and your manual outlines a more specific reset process, follow those steps carefully. If you’re still experiencing problems after attempting a reset, further troubleshooting may be necessary.

What if my Pit Boss continues to display the same error code after attempting all the troubleshooting steps?

If your Pit Boss grill continues to display the same error code despite following all the recommended troubleshooting steps, it indicates a more significant underlying issue that may require professional assistance. Do not continue using the grill if the error persists, as this could lead to further damage or safety hazards.

Contact Pit Boss customer support for assistance. Provide them with the error code, your grill model number, and a detailed description of the troubleshooting steps you’ve already taken. They may be able to offer additional diagnostic advice or recommend authorized repair technicians in your area. In some cases, a faulty component may require replacement, and a professional technician can properly diagnose and replace the defective part.

Where can I find a comprehensive list of all Pit Boss error codes and their solutions?

The best resource for a comprehensive list of Pit Boss error codes and their corresponding solutions is your grill’s owner’s manual. This manual typically contains detailed information about troubleshooting common issues and understanding the meaning of various error codes specific to your model. It’s often the most accurate and reliable source.

If you’ve misplaced your owner’s manual, you can usually find a digital version on the official Pit Boss website. Search for your specific grill model on their website, and look for a downloadable PDF manual. Alternatively, you can contact Pit Boss customer support directly. They may be able to provide you with a digital copy of the manual or direct you to online resources containing the information you need. Third-party grill forums and online communities dedicated to Pit Boss grills can also be helpful, but always verify the accuracy of information from unofficial sources.