Luxaire Furnace Repair Guide
Troubleshooting, Error Codes & More
(Updated for 2019)
A complete Luxaire furnace repair guide, from how to replace your air filter, to troubleshooting and error codes, model numbers and more!
Please note, the following is for informational purposes only. Any servicing you attempt is at your own risk.
Luxaire got their start in Ohio back in the 1950s, and they’ve been manufacturing quality gas furnaces for North American homes ever since. Their dedication to home comfort includes manufacturing furnaces that are dependable, energy efficient and ENERGY STAR® certified, and among the quietest on the market.
But, to make sure you get the longest life possible from your furnace, it’s important to know about some basic maintenance tasks and be able to identify certain problems you might encounter during your furnace’s lifespan.
Today you’ll learn what you need to know about the maintenance and repairs that will keep your furnace functioning optimally for as many years as possible.
How to Replace Your Air Filter
Other common problems that you might encounter with your furnace include that it stops producing enough heat or stops working as efficiently as it should, and this usually means the air filter needs to be replaced.
In fact, you should replace your furnace filter every one to three months during the heating season, so here’s a step-by-step guide to help you with this task:
- Open the access panel or remove it, depending on your model
- Check near the cold air intake to locate the old filter
- Slide out the old filter
- Line up the new filter using the arrows on the frame
- Slide the new filter into place
- Replace or close the access panel
What’s Wrong With Your Luxaire Furnace?
Like any mechanical device or appliance, furnaces sometimes malfunction or breakdown, and there are common issues that tend to surface over the years, including:
|Is your furnace...||The problem might be your...||What's wrong?||How you can fix it:|
|Not heating?||Circuit Breaker/Fuse||Most likely, either the electrical system providing your furnace’s power has shorted or the power switch has blown.||Try resetting your furnace’s circuit breaker. If it has blown, you will need to replace it.|
|Igniter||The furnace’s igniter might either be cracked or faulty.||Check the part for cracks, if it is then replace the igniter. If it isn’t cracked, use a multimeter to test for continuity.|
|Cycling irregularly?||Thermostat||Your thermostat might be adjusting incorrectly, causing the furnace to cycle on and off too often.||If your thermostat has an adjustable calibration scale, adjust the heat anticipator. If this does not stabilize the unit, you may have to replace the thermostat.|
|Not blowing hot air?||Blower Motor||Your blower motor may have completely burnt out. If this doesn’t seem to be the case, then the connecting belt may have simply broken.||Test to see if power is reaching the motor. If it does, but isn’t running, the motor has likely failed. If the motor runs but air doesn’t move, the connecting belt has probably broken. You’ll have to replace the belt.|
|Blowing too much air?||Control Board||The control board regulates the amount of voltage that reaches each functioning part. If the relay that controls the blower motor has failed, it will continually send voltage to the motor.||Replace the control board.|
|Thermostat||The contact that controls the blower motor on your thermostat may be stuck closed, causing the blower motor to run continuously.||Use a multimeter to check for continuity. If it appears the thermostat is the issue, replace it.|
|Leaking water?||Drain Pipe|
|Starting and then stopping shortly after?||Flame Sensor||Your furnace’s flame sensor monitors the burner, detecting whether a flame is present. If it is either defective or dirty, it will not be able to detect a flame.||If dirty, clean the sensor using a fine abrasive pad. If faulty, replace the flame sensor.|
Luxaire Furnace Error Codes
Most furnaces in Canada use LED light patterns to tell you when the furnace is functioning properly, when problems arise, and what those problems might be.
Being able to read these codes is an important part of keeping your furnace healthy, because the Luxaire furnace light codes will give you an idea of what maintenance is required and whether you need to call a technician.
Luxaire furnaces are equipped with an LED that will flash green, red, or amber depending on the problem, and here’s what those flash codes mean:
|Luxaire Error Code||What this means|
|Slow green or amber flash||The furnace is operating normally (green) and there’s been a call for heat (amber).|
|Fast amber flash||The flame sensor needs to be checked and maybe cleaned.|
|Red light on continuously||The control board needs to be replaced.|
|1 red flash||A flame was present when there was no call for heat.|
|2, 3, or 6 red flashes||Problems with the pressure switch.|
|4 or 11 red flashes||Problems with the limit switch.|
|5 red flashes||Problem with the rollout switch|
|7 or 8 red flashes||Flame couldn’t be established or was lost several times.|
|9 red flashes||Reversed polarity or a grounding problem.|
|10 red flashes||Problem with the gas valve or wiring.|
When Should You Call A Professional?
Now that you know what the various flash codes on your Luxaire furnace mean and the most common furnace issues that crop up, it’s time to go over which of these issues will require a diagnosis and repair by a certified technician.
Here’s a list of common furnace problems that will need a professional inspection: your furnace isn’t producing heat, isn’t blowing hot air, is blowing cold air or too much air in general, is making strange noises, is leaking, is cracked, won’t stay on, or smells like gas.
Who Should You Call?
Some furnace problems can be addressed with DIY maintenance, such as changing the filter and maybe even cleaning the flame sensor, depending on your comfort, skill, and knowledge level. But for the problems that require a trained technician, you can use our partner program to find a certified HVAC company that’s been independently verified to be dependable, knowledgeable, and trustworthy.
Luxaire’s Warranty Coverage
Even if you do need to call in a technician to help with your furnace issues, there’s a good chance the repair, or at least the components, will be covered under your Luxaire warranty. Every furnace in their Acclimate, LX, and Comforteer series is covered by the following warranties:
- One-year labor limited warranty
- Five-year parts limited warranty (which extends to a 10-year warranty if you register a new furnace within 90 days of installation)
- Lifetime heat exchanger warranty
Luxaire Model Numbers
Current Luxaire Models
Discontinued Luxaire Models
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