Lennox G50DF(X) User's Information Manual
![Lennox G50DF(X) manual cover](/images/ca4c5420e0d9790b766b7148/thumbs/thumb175x175.webp)
To reset the Lennox G50DF(X) furnace, turn off the power to the furnace at the circuit breaker. Wait about 5 minutes, then turn the power back on. This should reset the system.
Check the thermostat settings to ensure it is set to 'heat' and the temperature is set above the current room temperature. Also, inspect the furnace filter to make sure it is clean. If these steps do not resolve the issue, consult a professional technician.
It is recommended to check the air filter every month and replace it every 1-3 months, depending on usage and the type of filter. Regular replacement ensures optimal performance and efficiency.
Common error codes include E200 (ignition failure), E201 (flame sensed with gas valve off), and E202 (pressure switch stuck open). Refer to the unit’s manual for a complete list and troubleshooting steps.
Ensure regular maintenance, replace air filters frequently, seal any leaks in ductwork, and consider installing a programmable thermostat to better control the heating schedule.
This could be due to a dirty filter, an improperly set thermostat, or an issue with the furnace’s limit switch. Check and replace filters, ensure correct thermostat settings, and consult a technician if the problem persists.
Before winter, check and replace the air filter, inspect the blower assembly, clean the burners, and ensure the flue is clear of obstructions. A professional tune-up is also recommended.
Check for any error codes displayed on the unit, ensure the gas supply is on, clean the ignition sensor, and make sure the thermostat is functioning properly. If problems persist, contact a technician.
Check if the circuit breaker is tripped, ensure the blower motor is receiving power, and inspect the fan belt for any damage. If these do not resolve the issue, the blower motor may need servicing or replacement.
Use a gas leak detector or apply a soapy water solution to the gas connections and look for bubbles indicating a leak. If a leak is detected, turn off the gas supply immediately and contact a professional for repairs.