Lennox furnace error codes xp21

Lennox furnace error codes xp21 is a result of a safety issue in your Lennox furnace. This issue can be fixed by following the troubleshooting steps provided below to narrow down the root cause of the issue.

If you’re faced with an error code XP21 on your Lennox furnace, don’t panic. This article will provide you with some troubleshooting steps to help fix this problem and get your system back up and running again

Lennox furnace error codes XPS21 generally indicate a problem with the blower assembly, which is typically located at the top of the furnace. If you have this code and it seems to be consistent, then it’s likely to be caused by something in your electrical panel. To troubleshoot this issue, you’ll need to take out one of your old appliances and see if they have similar codes on them.

Lennox furnace errors code xp21 can be caused by a lot of things and their causes are random. It is not a permanent fixture on your furnace.

The error code xp21 can be caused by the following problems that are maybe unrelated to each other:

-Leaking water valve

-blown fuse box or circuit breaker

-defective thermostat

-damaged wire