Lennox G26 User's Information Manual
![Lennox G26 manual cover](/images/6ddc96c98ae3b079a90e6f4b/thumbs/thumb175x175.webp)
To reset the Lennox G26 furnace, locate the reset button on the furnace's control panel. Press and hold the button for about 5 seconds until the system restarts. If the furnace does not reset, ensure that the power supply is connected and the circuit breaker is not tripped.
If the Lennox G26 furnace is not igniting, check the thermostat settings to ensure they are correct. Make sure the gas supply is turned on. Inspect the ignitor for damage and replace it if necessary. If the problem persists, contact a professional technician.
It is recommended to check the filter every month and replace it at least every 3 months. More frequent changes may be necessary if the furnace is used heavily or if there are pets or allergens in the home.
Regular maintenance for a Lennox G26 furnace includes changing the air filter, cleaning the blower assembly, inspecting the flue pipe for obstructions, checking the thermostat for proper operation, and ensuring the condensate drain is clear. It is also advisable to schedule an annual professional inspection.
Unusual noises from a Lennox G26 furnace may be due to loose components, debris in the blower wheel, or a failing motor. Tighten any loose parts and clean the blower wheel. If the noise persists, a professional inspection may be needed to diagnose the issue.
To improve the efficiency of your Lennox G26 furnace, ensure it is properly maintained with regular filter changes and cleaning. Seal any air leaks in the ductwork, and consider installing a programmable thermostat to better control heating schedules.
If the Lennox G26 furnace is blowing cold air, verify that the thermostat is set to the heating mode. Check if the pilot light is out and relight it if necessary. Inspect for any tripped breakers or blown fuses. If the issue continues, contact a heating professional.
Installing a Lennox G26 furnace requires expertise in HVAC systems and should be performed by a licensed professional to ensure safety and compliance with local codes. DIY installation is not recommended.
To clean the condensate drain on a Lennox G26 furnace, locate the drain line and remove any visible debris. Flush the line with a mixture of water and vinegar to clear any build-up. Ensure the drain is sloped correctly to allow proper drainage.
Common error codes for a Lennox G26 furnace include: E201 (Ignition failure), E223 (Pressure switch problem), and E292 (Flame sensor issue). Refer to the user manual for detailed troubleshooting steps and contact a technician if needed.