Lennox furnace error code h1

The furnace may be out of refrigerant, or the high-pressure switch is faulty. Check for leaks and replace the high-pressure switch.

Lennox furnace error code H1 means the gas valve has not been closed.

The most common cause of the H1 error is that the gas valve has not been closed. If you have a family member who is not very good at caring for their furnaces, it’s possible they left the gas on and then turned off the power to the unit.

This article will help you determine what to do if your furnace’s error code is H1 and how to fix this issue so that it won’t affect your appliance’s performance or cause any safety issues.

The Lennox H1 error code is an error code that indicates a problem with the gas valve, speed sensor, or gas thermocouple.

There are a few reasons why the Lennox H1 error code could be showing up.

For this error code to show up, there has to be something wrong with one of the following:

-Gas Valve

-Speed Sensor

-Gas Thermocouple