Trane Furnace Repair Guide
Common Trane Furnace Problems and Troubleshooting
How to Replace Your Air Filter
- Remove the access panel on your Trane furnace.
- Locate the dirty air filter. It should be near the return air duct or the blower chamber’s entrance.
- Remove the old air filter and slide in a new one.
- Ensure that signifiers indicate that the new filter is installed correctly.
- Replace the panel or door to your Trane furnace.
Trane Furnace Error Codes
Error Code | What this means | How to fix it |
---|---|---|
Slow flashing LED light | This means that your furnace is on, but it’s not calling for heat. | This is only an issue if you have raised your thermostat and your furnace doesn’t respond. |
Rapidly flashing LED light | Means that your furnace is on and is actively calling for heat. | Only beware this if your furnace is continuously calling for heat and isn’t responding to your thermostat. |
Continuous LED On | Control panel issue. | Replace the control panel. |
Continuous LED Off | Check Power. | Check Power. |
Two LED flashes | System lockout due to lack of flame or reversed polarity. | Check for miswiring, clogged pilot tube, or humidity in the unit. |
Three LED flashes | Draft pressure error. | Check if the drain tubes are full of moisture or obstructed with dirt. |
Four LED flashes | The furnace is experiencing an open temperature limit circuit issue. | The issue with thermal protection. |
Five LED flashes | A flame was sensed within your furnace that shouldn’t be present. | Check for a leaky gas valve, stuck gas valve, or defective flame sensor. |
Six LED flashes | AC power voltage is too low. | Correct line voltage polarity, check the wiring. |
Seven LED flashes | An issue with your gas circuit. | Check your unit’s gas valves for the issue. |
Eight LED flashes | Low Flame. | Check for flame sensor malfunction or low gas pressure. |
Nine LED flashes | Igniter circuit issue. | Check igniter. |
When to call a professional to repair your Trane furnace
Who Should You Call?
Trane’s Warranty Coverage
- Premium series models include a limited 20-year warranty on the heat exchanger and a limited 5-year warranty on parts. Registered owners can claim an extended limited 10-year warranty on parts as well as a limited lifetime warranty on the heat exchanger.
- Mid- and economy-tier furnaces include a limited 10-year warranty on internal parts and are eligible for a limited lifetime warranty on the heat exchanger. Additional coverages are available which can cover services such as labour.
Trane Furnace Model Numbers
Discontinued Trane Furnace Models
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