Lennox furnace error code rtu

The Lennox furnace error code rtu may be a common problem found in many furnaces. It usually indicates that the burner is not lit or the electronic control board has failed. The error code can often be difficult to diagnose

How can you diagnose your furnace’s Lennox error code rtu? Most people try troubleshooting by checking the power output and gas level of their furnaces. This is quite easy to do, but it may not always work.

In order to properly diagnose your Lennox furnace’s rtu error, you need specialized equipment such as a thermocouple tester and a volt-ohm meter.

Lennox furnace error code rtu is one of the most common error codes associated with your furnace. The furnace might show this error on display and not work as expected.

Lennox makes it easy for you to find information about the error code and troubleshoot the problem by having a quick reference guide of common errors right at your fingertips.

There are several factors that cause furnace errors. The failure modes of your furnace depend on the type of model you have and how it was installed. Here are some common causes for that error code:

– Excessive load on the power unit

– Intermittent power interruptions, such as coming from a nearby transformer or power line

– Mechanical failure in the furnace

– Abnormal levels of carbon monoxide or other lethal gas

Lennox furnace error code RTU can be a sign of a faulty system. To get rid of the error, you need to repair the furnace and reset it. This article will teach you how to fix the problem with your Lennox furnace.

The RTU error is triggered by an abnormal start-up sequence or by an electronic device plugged into the heating control unit, causing the system to believe that it’s running on “high” all the time.

If your Lennox furnace is giving you this type of error code, there are some things you can do to fix it without having to call in a professional technician.