Your Intertherm furnace is essential for a cozy home. When it fails, you need quick fixes.
Intertherm furnaces are known for reliability, but even the best can face issues. Troubleshooting your furnace can seem daunting, especially during cold months. Understanding common problems and solutions is key to restoring warmth. This guide will help you identify and resolve typical furnace issues.
You’ll learn about common symptoms, possible causes, and practical solutions. Whether it’s a minor glitch or a more serious problem, these tips will help you get your furnace back on track. Let’s dive into the basics of Intertherm furnace troubleshooting and ensure your home stays warm and comfortable.
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Common Issues
Intertherm furnaces are reliable, but they can still encounter problems. Understanding common issues can help you troubleshoot effectively. Below, we discuss two frequent problems: pilot light issues and ignition failure.
The pilot light is crucial for your furnace. If it goes out, your furnace won’t heat. Common causes include a clogged pilot orifice, a faulty thermocouple, or drafts blowing out the light.
- Check if the orifice is clean. If not, clean it.
- Ensure the thermocouple is working. Replace if needed.
- Inspect for drafts. Seal any gaps.
Ignition failure can prevent your furnace from starting. This issue often stems from a faulty ignition sensor or dirty burners.
- Check the ignition sensor. Clean or replace it if needed.
- Inspect the burners. Clean them to remove any buildup.
If these steps don’t resolve the issue, you may need professional help. Regular maintenance can prevent many of these problems.
Tools Needed
When dealing with Intertherm furnace troubleshooting, having the right tools is crucial. These tools will help you diagnose and fix problems efficiently. Let’s explore the tools you need for this task.
Basic Tools
First, gather some basic tools. A screwdriver is essential. You will need both Phillips and flathead types. These help in opening panels and accessing parts. A wrench set is also necessary. It helps in tightening or loosening bolts. A flashlight is a must. This ensures you can see inside dark furnace areas. A multimeter is vital. It checks electrical connections and ensures they are working.
Specialized Equipment
Next, you need specialized equipment. A manometer is key. It measures gas pressure in the furnace. This ensures the correct pressure level. A combustion analyzer is useful. It checks the furnace’s combustion efficiency. This ensures safe and efficient operation. An infrared thermometer is another great tool. It helps in measuring surface temperatures. This ensures all parts are operating within safe limits.
Safety Precautions
Safety should be your top priority when troubleshooting your Intertherm furnace. Working with electrical appliances can be risky. Taking the right precautions is crucial to avoid accidents and injuries. Here are some essential safety steps to follow before you start any troubleshooting tasks.
Turn Off Power
First, always turn off the power to your furnace. Locate the main power switch or circuit breaker. Flip it to the ‘off’ position. This step is vital to prevent electrical shocks. Never skip this step.
Wear Protective Gear
Next, wear protective gear. Use safety goggles to protect your eyes. Wear gloves to guard your hands against sharp edges. Long sleeves and sturdy shoes are also recommended. These items can help keep you safe from potential hazards.
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Pilot Light Problems
Facing issues with your Intertherm furnace’s pilot light can be frustrating. The pilot light is crucial for the furnace’s operation. If it goes out, the furnace won’t heat. Understanding how to relight the pilot light and troubleshoot common issues can save you time and stress.
How To Relight
Relighting the pilot light on your Intertherm furnace is a simple task. Follow these steps:
- Locate the gas valve on your furnace. It usually has settings for “Off,” “Pilot,” and “On.”
- Turn the valve to the “Off” position and wait for 5 minutes. This clears any gas.
- Switch the valve to the “Pilot” position.
- Press and hold the reset button. Use a long lighter to ignite the pilot light.
- Once the pilot light is lit, keep holding the reset button for 30 seconds. Release the button, then turn the valve to the “On” position.
If the pilot light doesn’t stay lit, there may be another issue. Let’s explore some troubleshooting tips.
Troubleshooting Tips
If relighting the pilot light doesn’t work, try these troubleshooting tips:
- Check the Thermocouple: The thermocouple senses the pilot light. If it’s dirty or damaged, the pilot light won’t stay lit. Clean it with a soft brush. If cleaning doesn’t help, consider replacing it.
- Inspect the Gas Valve: Ensure the gas valve is fully open. Partial openings can restrict gas flow, causing pilot light issues.
- Examine the Pilot Orifice: A blocked pilot orifice can prevent the pilot light from igniting. Clear any debris with a needle or compressed air.
- Check for Drafts: Drafts near the furnace can extinguish the pilot light. Ensure the area around the furnace is free from drafts.
These tips can help you solve common pilot light problems. Regular maintenance is key. Keep your furnace clean and check for issues often.
Ignition Failure
Facing an ignition failure in your Intertherm furnace can be frustrating. This issue often means your furnace isn’t producing heat. It might be due to a faulty igniter. Here’s how to tackle this problem.
Check Igniter
First, you need to check the igniter. Turn off the furnace and open the access panel. Look for the igniter, which is usually near the burners. It should be clean and free of cracks. Use a multimeter to test for continuity. If there’s no continuity, the igniter is likely bad.
| Step | Action |
|---|---|
| 1 | Turn off the furnace |
| 2 | Open the access panel |
| 3 | Locate the igniter |
| 4 | Inspect for cracks |
| 5 | Test with a multimeter |
Replace Igniter
If the igniter is bad, it needs replacing. Purchase a compatible igniter for your Intertherm furnace. Make sure the power to the furnace is off before starting. Remove the faulty igniter by disconnecting the wires and unscrewing it from the mount.
- Buy a new igniter
- Turn off furnace power
- Disconnect wires from the old igniter
- Unscrew and remove the old igniter
- Install the new igniter
- Reconnect the wires
- Turn on the furnace
Reconnect the wires to the new igniter. Secure it in place with screws. Turn the furnace back on and check if it ignites properly. This should solve the ignition failure issue.
Thermostat Issues
Thermostat issues are common with Intertherm furnaces. A malfunctioning thermostat can cause your furnace to perform poorly. This can lead to uncomfortable indoor temperatures and higher energy bills. Understanding the problems can help you troubleshoot and fix them.
Calibration
Thermostat calibration is crucial for accurate temperature control. If the thermostat is not calibrated correctly, it will not read the room temperature accurately. This could cause the furnace to turn on and off at the wrong times.
To check the calibration:
- Place an accurate thermometer next to your thermostat.
- Wait for a few minutes to get a stable reading.
- Compare the thermometer reading with the thermostat display.
If there is a significant difference, the thermostat needs calibration. Refer to the user manual for calibration instructions or call a professional.
Wiring Problems
Wiring problems can disrupt the communication between your thermostat and furnace. This can result in the furnace not turning on or off properly. Loose or damaged wires are common culprits.
To check the wiring:
- Turn off the power to the furnace and thermostat.
- Remove the thermostat cover to inspect the wires.
- Look for any loose or disconnected wires.
- Tighten any loose connections and reattach any disconnected wires.
If the wiring looks damaged, it is best to replace it. Call a professional if you are unsure how to proceed.
Thermostat issues can often be resolved with simple troubleshooting steps. Keeping your thermostat in good working order ensures your Intertherm furnace operates efficiently.
Filter Maintenance
Filter maintenance is crucial for the smooth operation of your Intertherm furnace. Proper care of filters ensures efficient airflow and prolongs the life of your furnace. Regular filter maintenance can prevent many common furnace issues. Below are detailed steps on cleaning and replacing filters.
Cleaning Filters
First, turn off your furnace before handling the filter. Locate the filter compartment and carefully remove the filter. Use a vacuum cleaner to remove dust and debris. Gently clean both sides of the filter. If the filter is washable, rinse it with water. Let it dry completely before reinstalling it. Cleaning filters regularly helps maintain good air quality.
Replacing Filters
Sometimes, cleaning is not enough. Check the filter for any damage or excessive dirt. If it looks worn out, replace it. Purchase a filter that matches your furnace model. Remove the old filter and insert the new one. Ensure it fits snugly in the compartment. Regularly replacing filters keeps your furnace running efficiently. Check and replace filters every three months for the best performance.
Blower Motor Troubles
Your Intertherm furnace blower motor is crucial for air circulation. If it fails, your heating system may not work. Knowing how to troubleshoot blower motor issues is vital. This helps you stay warm and cozy.
Noise Issues
Strange noises from the blower motor indicate problems. These noises may include:
- Grinding – This often means the motor bearings are worn out.
- Squealing – This can be due to a loose or worn-out belt.
- Banging – This might indicate a broken or loose part inside the motor.
To address these noise issues, you can:
- Check for any loose parts and tighten them.
- Inspect the belt for wear and replace if necessary.
- Lubricate the motor bearings if they are dry.
Motor Replacement
Sometimes, the blower motor needs replacement. Follow these steps:
- Turn off the furnace power.
- Remove the access panel to reach the blower motor.
- Disconnect the wires from the motor.
- Unscrew the motor from its mount and remove it.
- Install the new motor and secure it with screws.
- Reconnect the wires to the new motor.
- Replace the access panel and turn the power back on.
A new motor improves your furnace’s performance. It also helps in maintaining a quieter environment.
When To Call A Professional
Intertherm furnaces are reliable, but they can sometimes have issues. While many problems can be fixed by homeowners, some situations require a professional. Knowing when to call a professional can save you time and money.
Complex Repairs
Some furnace problems are too complex for DIY fixes. If you hear unusual noises or smell gas, call a professional. These issues need expert attention. Trying to fix them yourself can be dangerous.
For electrical problems, always contact a trained technician. They have the skills to handle wiring issues safely. Attempting these repairs without proper knowledge can lead to accidents.
Warranty Concerns
Many Intertherm furnaces come with a warranty. To keep this warranty valid, professional service is often required. Check your warranty details for specific conditions. Unauthorized repairs can void the warranty.
Keep records of all professional services. This helps in future claims and ensures your furnace is always in good hands. It’s a small step that can save you from bigger problems later.
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Frequently Asked Questions
How Do I Reset My Intertherm Furnace?
To reset, turn off the power. Wait 5 minutes. Then, turn it on again.
Why Is My Intertherm Furnace Not Heating?
It could be a dirty filter, pilot light issue, or thermostat problem. Check these first.
What Should I Do If My Furnace Is Making Noise?
Check for loose parts or debris. Tighten any screws and clean the area.
How Often Should I Change The Furnace Filter?
Change the filter every 1-3 months. This helps maintain efficiency and air quality.
What Does The Blinking Light On My Furnace Mean?
A blinking light indicates an error code. Check the furnace manual for specific code meanings.
Conclusion
Fixing your Intertherm furnace can be straightforward with the right steps. First, identify the problem carefully. Then, follow the troubleshooting tips provided. Regular maintenance helps avoid future issues. Keep your furnace in top shape. Stay warm and comfortable in your home.
Thanks for reading.