Suburban Camper Furnace Troubleshooting: Quick Fixes

For Suburban camper furnace troubleshooting in Austin, Texas, search for HVAC pros experienced in heating system repairs. Common issues include blown fuses, tripped breakers, and faulty ignitors.

To check the ignitor, turn on the furnace and check for a propane smell at the exhaust. If you detect propane, the ignitor may be the problem. Control board issues can manifest as warning lights flashing or the inability to maintain a stable temperature.

For expert advice and solutions, consult with professionals familiar with Suburban camper furnace troubleshooting techniques in Austin, Texas.

Initial Assessment

For Suburban camper furnace troubleshooting, an initial assessment is crucial. Check for blown fuses, tripped breakers, or a faulty ignitor. Confirm the issue by detecting propane smell at the exhaust when the furnace is turned on. This step is essential before proceeding with repairs.

Common Symptoms

When your Suburban Camper Furnace is not working properly, there are some common symptoms you may experience, including:
  • Furnace not turning on
  • Furnace not igniting
  • Furnace blowing cold air
  • Furnace making strange noises

Safety Precautions

Before attempting any troubleshooting on your Suburban Camper Furnace, it is important to take some safety precautions to ensure your well-being. These precautions include:
  • Turn off the furnace’s power supply
  • Shut off the propane supply
  • Allow the furnace to cool down completely
  • Wear protective gloves and eyewear

Troubleshooting Steps

Once you have taken the necessary safety precautions, you can begin the troubleshooting process. Here are some steps to follow during the initial assessment:
  1. Check the thermostat to ensure it is set to the correct temperature and mode (heat)
  2. Inspect the furnace’s air filter and replace if necessary
  3. Check the furnace’s power source and ensure it is properly connected
  4. Inspect the furnace’s venting system for any blockages or damage
  5. Check the propane supply and ensure it is turned on
  6. Inspect the furnace’s wiring for any damage or loose connections
By following these initial assessment steps, you may be able to identify the cause of the problem with your Suburban Camper Furnace. If you are still experiencing issues, it may be necessary to contact a professional for further assistance.

Power Supply And Electrical Connections

When troubleshooting your suburban camper furnace, it’s crucial to start by examining the power supply and ensuring all electrical connections are intact and functioning properly. Issues with the power source or faulty connections can often be the root cause of furnace malfunctions.

Checking Fuses And Breakers

Begin by inspecting the fuses and circuit breakers related to the camper furnace. Ensure that all fuses are not blown and that breakers are in the ON position to allow the proper flow of electricity to the furnace.

Inspecting Wiring And Connections

Next, carefully examine the wiring and connections of the suburban camper furnace. Look for any signs of fraying, damage, or loose connections that could be impeding the electrical flow. Make sure all wires are securely connected.

Ignition And Fuel Supply

When it comes to troubleshooting your suburban camper furnace, it’s crucial to evaluate the ignition and fuel supply components. Addressing issues related to the ignitor and propane supply is essential for ensuring the proper functioning of your furnace.

Evaluating The Ignitor

If the furnace fails to ignite, a malfunctioning ignitor could be the culprit. Regular inspection and cleaning of the ignitor can help prevent ignition problems. Ensure that the ignitor is free from debris and positioned correctly for optimal performance.

Propane Supply And Delivery

Proper propane supply is vital for the operation of your suburban camper furnace. Conduct a thorough inspection of the propane tank, regulator, and supply lines to check for any leaks or blockages. Regular maintenance and monitoring of the propane system can help prevent fuel delivery issues that may hinder the furnace’s performance.

Sail Switch Issues

When it comes to troubleshooting your suburban camper furnace, sail switch issues can be a common culprit behind heating system malfunctions. The sail switch is a crucial component that detects the presence of airflow, signaling the control board to start the furnace’s ignition process. However, if the sail switch becomes stuck or malfunctions, it can lead to a variety of heating problems.

Diagnosing A Stuck Sail Switch

If you suspect that a stuck sail switch is causing your suburban camper furnace to malfunction, there are a few steps you can take to diagnose the issue. Begin by locating the sail switch, typically found near the blower assembly. Check for any obstructions or debris that may be preventing the switch from moving freely. Additionally, inspect the sail switch for any signs of physical damage or wear that could impede its operation.

Troubleshooting Steps

Once you’ve identified a potential issue with the sail switch, it’s important to take the necessary troubleshooting steps to resolve the problem. Start by gently cleaning the sail switch to remove any dirt or debris that may be causing it to stick. Next, ensure that the sail switch is properly aligned and able to move freely within its housing. If cleaning and realigning the sail switch does not resolve the issue, it may be necessary to replace the sail switch with a new, functioning unit.

High-temperature Limit Switch

The high-temperature limit switch is a crucial component in your suburban camper furnace. It serves the essential function of monitoring the furnace’s temperature and preventing it from reaching dangerously high levels. This safety feature is designed to ensure the furnace operates within a safe temperature range, protecting both the unit and the occupants of the camper.

Function And Importance

The high-temperature limit switch functions as a safety mechanism to prevent the furnace from overheating. When the temperature inside the furnace exceeds the safe threshold, the limit switch interrupts the electrical circuit, shutting down the burner to prevent potential damage or safety hazards. This critical function ensures the safe and efficient operation of the furnace, providing peace of mind for users.

Identifying Limit Switch Problems

When troubleshooting the suburban camper furnace, it’s important to be aware of potential issues related to the high-temperature limit switch. Common problems include a malfunctioning switch that fails to activate when the temperature surpasses the safe limit, leading to overheating and potential damage to the furnace components. Additionally, a faulty limit switch may cause the furnace to cycle on and off unexpectedly, impacting its performance.

Furnace Control Board Diagnostics

When troubleshooting your suburban camper furnace, the control board is a critical component to examine. The control board is responsible for regulating the furnace’s operations, and diagnosing any issues related to it is essential for effective troubleshooting.

Symptoms Of A Bad Control Board

  • Furnace not turning on
  • Inconsistent heating
  • Ignition problems
  • Fan not functioning properly

Testing The Control Board

To test the control board, follow these steps:

  1. Turn off the power to the furnace.
  2. Inspect the control board for any visible signs of damage or corrosion.
  3. Use a multimeter to check for continuity and resistance in the control board components.
  4. Test the voltage input and output to ensure proper power supply to the control board.
  5. Check for any error codes or LED indicators on the control board.
  6. If necessary, consult the furnace’s manual for specific testing procedures.

Ventilation And Airflow

Proper ventilation and airflow are crucial for the efficient operation of your suburban camper furnace. Without adequate airflow, the furnace may not function optimally, leading to issues such as inadequate heating or frequent shutdowns.

Cleaning And Maintenance

Regular cleaning and maintenance of the furnace components are essential to ensure proper ventilation and airflow. Dust and debris can accumulate inside the furnace, obstructing airflow and causing heating problems.

Checking Vent Blockages

Inspect the vents for any blockages that may restrict the airflow. Clear any obstructions such as leaves, insects, or debris to allow for proper ventilation. Restricted airflow can lead to overheating and potential damage to the furnace.

Suburban Camper Furnace Troubleshooting: Quick Fixes


Thermostat And Relay Tests

If your suburban camper furnace is not functioning properly, then it’s essential to troubleshoot the problem and fix it as soon as possible. One of the most common issues with the suburban camper furnace is related to the thermostat and relay. Therefore, in this article, we will discuss the thermostat and relay tests to help you identify and fix the problem.

Thermostat Issues

The thermostat is an essential component of the suburban camper furnace as it controls the furnace’s temperature. If the thermostat is not working correctly, then the furnace may not turn on or may turn off too quickly. To test the thermostat, you can follow these steps:

  1. Turn off the power to the furnace.
  2. Remove the thermostat cover and take out the wires from the terminals.
  3. Use a multimeter to test the continuity of the wires.
  4. If there is no continuity, then the thermostat is faulty and needs to be replaced.

Relay Functionality And Replacement

The relay is responsible for controlling the furnace’s fan motor, and if it’s not functioning correctly, then the furnace may not turn on at all. Therefore, it’s crucial to test the relay and replace it if necessary. Here are the steps to test the relay:

  1. Turn off the power to the furnace.
  2. Locate the relay on the furnace control board.
  3. Use a multimeter to test the relay’s continuity and make sure it’s not faulty.
  4. If the relay is faulty, then you need to replace it with a new one.

Replacing the relay is not a difficult task, and you can do it yourself by following the manufacturer’s instructions. However, if you’re not confident, then it’s better to call a professional to do it for you.

By performing these tests, you can identify the problem with your suburban camper furnace and fix it quickly. However, if you’re still unable to fix the problem, then it’s better to call a professional for assistance.

Professional Help Or Diy

When dealing with a malfunctioning suburban camper furnace, the decision to seek professional help or attempt a DIY fix can be perplexing. Understanding the signs that indicate the need for expert intervention and being aware of basic troubleshooting tips can help you make an informed choice.

When To Call An Expert

If you encounter complex issues such as a faulty control board, wiring problems, or unfamiliar technical jargon, it’s advisable to seek assistance from a qualified HVAC professional. Additionally, if the troubleshooting attempts fail to resolve the problem, it’s a clear indication to call in the experts. Expert technicians possess the requisite knowledge, tools, and experience to diagnose and rectify intricate furnace issues efficiently.

Diy Troubleshooting Tips

Before opting for professional help, consider conducting some basic troubleshooting to potentially identify and resolve common suburban camper furnace problems. Here are some tips for DIY troubleshooting:

  • Check the thermostat settings and ensure they are correctly configured.
  • Inspect the furnace air filter for dirt or blockages and replace it if necessary.
  • Verify the power source to the furnace and check for any tripped circuit breakers or blown fuses.

If the furnace still fails to function after attempting these troubleshooting tips, it’s wise to relinquish the task to a professional to prevent exacerbating the issue or causing damage to the unit.

Preventative Maintenance

Regular Inspection

Regularly inspect the furnace for any signs of wear or damage.

Check the air filters and clean or replace them as needed.

Inspect the ductwork for leaks or blockages and address any issues promptly.

Seasonal Preparation

Prior to each season, schedule a professional inspection and maintenance service.

Ensure all components are clean, lubricated, and in good working condition.

Test the thermostat and calibrate it if necessary to ensure accurate temperature control.

Reset And Calibration

Resetting and calibrating your suburban camper furnace is essential for optimal performance. Understanding how to locate the reset button and calibrate the furnace can help troubleshoot common issues.

Locating The Reset Button

To locate the reset button on your suburban camper furnace:

  1. Check the furnace manual for specific instructions.
  2. Inspect the furnace control panel for a small button typically labeled as “Reset”.
  3. Press and hold the reset button for a few seconds to reset the furnace.

Calibrating The Furnace

Follow these steps to calibrate your suburban camper furnace:

  1. Turn off the furnace and disconnect the power source.
  2. Access the calibration settings on the furnace control board.
  3. Use a screwdriver to adjust the calibration settings as needed.
  4. Refer to the furnace manual for specific calibration instructions.
Suburban Camper Furnace Troubleshooting: Quick Fixes


Troubleshooting Quick Reference

When troubleshooting issues with your suburban camper furnace, having a quick reference guide can be invaluable. This Troubleshooting Quick Reference section will help you identify common problems, know when to seek immediate help, and provide you with a checklist for troubleshooting.

Checklist For Common Issues

  • Check the thermostat settings to ensure they are correct.
  • Inspect the furnace for any visible signs of damage or debris.
  • Verify that the propane supply is sufficient and the gas valve is open.
  • Ensure the power source is connected and functioning properly.
  • Check the air filters for any blockages that may be affecting airflow.

When To Seek Immediate Help

  1. If you smell gas or suspect a gas leak, evacuate the area and contact a professional immediately.
  2. When the furnace is not responding to any troubleshooting attempts or continues to malfunction.
  3. If you notice any unusual sounds, such as banging or grinding noises coming from the furnace.
  4. When the furnace is producing insufficient heat or no heat at all, especially in cold weather.
Suburban Camper Furnace Troubleshooting: Quick Fixes


Frequently Asked Questions

Why Is My Furnace Not Kicking On In My Camper?

Your camper furnace may not kick on due to a blown fuse, tripped breaker, or a faulty ignitor. To troubleshoot, check for propane smell outside when the furnace is turned on. If detected, the ignitor may be the issue. Consider seeking professional help for further diagnosis.

Where Is The Reset Button On My Rv Furnace?

The reset button on your RV furnace is usually located on the furnace itself or on the furnace control board. If your furnace is not turning on, it could be due to a blown fuse, tripped breaker, or faulty ignitor.

Check for propane leaks and warning lights on the control board to determine if it’s a control board issue.

How To Tell If Rv Furnace Control Board Is Bad?

To tell if an RV furnace control board is bad, look for warning lights flashing, unstable temperature, or interrupted furnace sequence.

Why Is My Rv Furnace Running But No Heat?

If your RV furnace is running but not heating, it could be due to a blown fuse, tripped breaker, or a faulty ignitor. Check for propane smell near the exhaust to identify the issue. It could also be a problem with the control board.


Troubleshooting your Suburban Camper furnace in Austin, Texas is crucial for a cozy RV experience. Referencing online resources and seeking professional help can resolve common issues efficiently. Keep your furnace running smoothly to enjoy your outdoor adventures hassle-free. Happy camping!

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