Table of contents
Please note, the following Heil Repair guide is for informational purposes only. Any servicing you attempt is at your own risk.
➤ A complete Heil furnace repair guide, from how to replace your air filter, to troubleshooting and error codes, model numbers and more!
Heil At a Glance
Backed by 100 years of dependable manufacturing and superior home comfort, Heil makes it their duty to deliver HVAC products that go above and beyond your expectations. Should you experience any issues with your Heil furnace throughout its lifetime, this comprehensive guide will provide you with the tools that you need to troubleshoot common issues.
One of the most important things to remember when considering the endurability of your Heil furnace is that regular maintenance can go a long way. The simplest task is to remember to change the air filter on your furnace regularly. By doing so, you’ll be able to lengthen the life of your unit’s blower motor while also keeping the compressor coils from getting clogged.
An air filter that’s able to function properly will most certainly result in a furnace that’s able to provide its highest level of efficiency.
How to Replace Your Air Filter
- Remove the lower panel towards the front of your Heil furnace.
- Locate your filter. Whether it’s an upflow or horizontal flow model, it’ll be on the side next to the air return or at the bottom of the unit.
- Slide out the whole filter-holding rack, and remove the end cap.
- Once the end cap is removed, pull out the air filter and replace it with a new one. Make sure to insert the new filter in the same direction as the previous one.
- Replace the end cap and then slide the holding rack back inside your Heil furnace. Put the cover back on your unit.
Heil Furnace Repair Guide
What’s Wrong With Your Furnace?
Common Furnace Problems and Troubleshooting
Always remember to shut your Heil furnace completely off before you open it up to attempt any diagnosis or repair.
|Is your furnace...||The problem might be your...||What's wrong?||How you can fix it:|
|Not heating?||Circuit Breaker/Fuse||Then either the circuit breaker has shorted, or the unit's fuse has blown completely.||You'll have to reset the circuit breaker that connects to your furnace. If this doesn't help, then it's likely the fuse has blown, and you'll have to replace it.|
|Igniter||The igniter is either defective or cracked.||You should locate the igniter within your Goodman furnace and check the part for cracks. If it's cracked then replace the part, but it isn't then you'll have to test it with a multimeter for continuity to see if it's defective.|
|Cycling irregularly?||Thermostat||Your thermostat might be adjusting incorrectly.||If your thermostat has an adjustable calibration scale, use this to adjust the heat anticipator. However, if this doesn't appear to work or you don't have a scale, you should replace the thermostat altogether.|
|Not blowing hot air?||Blower Motor||Your furnace's blower motor has either burnt itself out, or the connecting belt has snapped.||You should check to see if power is reaching the motor. If it does but the motor isn't running, then the blower motor has failed. Alternatively, if the motor does run, but the air still doesn't move, then the connecting belt has snapped. Either replace the motor or belt depending on the situation.|
|Blowing too much air?||Control Board||The relay on your control board that regulates the voltage sent to the blower motor has failed.||Should this occur, you'll have to replace the control board entirely.|
|Thermostat||The contact on your thermostat that controls the blower motor is closed.||You should use a multimeter to check for continuity. If the thermostat is functioning improperly, replace it altogether.|
|Starting and then stopping shortly after?||Flame Sensor||Your furnace uses a flame sensor to detect if a flame is present. If this sensor is defective or dirty, it will be unable to detect a flame.||You should use a fine abrasive pad to clean the sensor if it's dirty. Otherwise, you can replace the flame sensor entirely.|
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Heil Furnace Error Codes
|Error Code||What this means||How to fix it|
|Single LED flash, steadily on||This means your Goodman furnace has no signal coming from the thermostat and won't operate.||You should check your thermostat for an improper setting or connection.|
|Single LED flash, blinks on and off||This means that your furnace has locked out due to too many ignition attempts.||After one hour of lockout, your furnace will automatically reset itself.|
|Two LED flashes||This means that the draft blower isn't functioning properly, or your furnace has a short in the pressure switch circuit.||You should either repair the short or replace the pressure switch.|
|Three LED flashes||This means your furnace has an open pressure switch circuit or the induced draft blower is operating when it shouldn't be.||You should check the pressure switch hose for blocks or an improper connection. Otherwise, see if any loose wiring needs tightening.|
|Four LED flashes||This means your furnace has a primary open limit circuit.||You should check and clean all the filters, tighten the wiring, and see if there are any blockages in the flue.|
|Five LED flashes||This means that your furnace senses a flame without a call for heat.||You should check for a leaky or open gas valve or a lingering burner flame.|
|Seven LED flashes||This warns of a low flame sense microamp signal. This is the result of a coated flame sensor or a lazy flame due to poor gas pressure.||Adjust the gas pressure according to the information available to you.|
|Eight LED flashes||This means your furnace has an igniter circuit problem due to a defective igniter or an improperly connected igniter.||Replace the igniter or check the ground wiring for defects.|
|Nine LED flashes||This means that your furnace has a high-stage pressure switch that won't close during a high-stage-induced draft blower operation.||Check your Goodman furnace for a pinched or blocked pressure switch hose.|
|Continuous LED flashes||This means that your furnace has a reversed polarity of 115 volts.||You will have to correct the wiring polarity after reviewing the wiring diagram.|
When to call a professional to repair your Heil furnace
Should you begin to experience some issues with your Heil furnace, it’s never a bad idea to contact a trained heating and cooling technician. Although you may be able to diagnose your unit’s issue, repairing it yourself can sometimes be an unworthwhile task. Some of these issues are:
If your furnace repeatedly turns itself on and off, it’s likely that the unit is not circulating properly.
Should your Heil unit stop producing heat, begin to leak or drip, or make previously unheard noises (banging, whistling, gurgling, etc.), an internal component could potentially be broken.
Who Should You Call?
Although it’s always a worthwhile venture to consult online consumer reviews when deciding on which technician to call, remember that these can’t always be trusted to make your final decision. To find yourself a trained technician who can exceed your expectations, let us help!
Our own independent certification program is an excellent reference tool available for you to use when in need of a furnace repair. Our goal is to connect Canadian homeowners with trustworthy, local businesses. We guarantee these companies meet a wide array of criteria so that you are able to make an informed decision when it comes to your furnace needs.
Heil’s Warranty Coverage
Whichever company that you originally used to install your furnace may provide some warranty coverage. However, depending on what Series of Heil furnace you have, the manufacturer’s coverage may vary.
- For QuietComfortⓇ Deluxe Series units, your furnace’s coverage will include a limited lifetime warranty on the heat exchanger, a limited 10-year No Hassle Replacement™ warranty, and a limited 10-year warranty on parts.
- For QuietComfortⓇ Series furnaces, coverage includes a limited lifetime warranty on the heat exchanger, either a limited 5- or 1-year No Hassle Replacement™ warranty, and a limited 10-year warranty on parts.
- And for PerformanceⓇ Series units, your coverage will include a limited 20-year warranty on the heat exchanger as well as a limited 10-year warranty on parts.
Protect your Heil furnace: Register and access your Heil furnace warranty here
Current Heil Furnace Models
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