Lennox furnace error code cal

This article has been compiled to provide a list of Lennox furnace error codes and their meaning. The list is intended to be comprehensive and allow you to diagnose your heating system and resolve the issue if necessary.

The Lennox furnace error code cal is an error code that usually appears on some models of the Lennox furnaces. While it is not a major issue, it can be very frustrating.

The most common cause of this error code is that the furnace needs to be reset. Generally, the problem could be solved by pressing a button on the front panel and waiting for about half an hour. You might have to call a technician to fix the problem if this doesn’t work.

The Lennox gas furnace error code “cal” is given when the burner assembly needs to be replaced. It is a common problem that can arise for various reasons.

Here are some potential causes for the “cal” error code:

-Intermittent or misfiring flame sensor

-Damaged ignition module

-Fuel mix too rich or too lean