Error codes for Coleman Furnace

Coleman is a well-known brand of furnaces. It has been providing excellent heating and cooling solutions to the users for some time. This company has introduced several products that have been able to help millions of people maintain the performance of their HVAC systems. One of the products that Coleman has designed is the Coleman Furnace. This furnace is designed to provide an excellent heat and airflow distribution system that helps you maintain your home’s temperature levels in any type of weather condition.

The products that Coleman has designed are known for their durability and quality. This is one of the reasons why they have been able to gain a lot of popularity among the users. The products that Coleman has designed are made with quality materials that allow them to last for some time. This is one of the reasons why it is considered as one of the best brands in its category.

However, there are also some common issues that homeowners have with their Coleman Furnace editions that can lead to inconvenient situations and even expensive repairs. The purpose of this article is to provide a comprehensive guide on how to identify these common issues so that you can be able to solve them quickly and effectively. Let’s check out some of the common problems and their possible solutions.

Slow green flashing.

The Coleman furnace is working normally.

Slow amber flashing.

Normal working hours, and a call for heat.

Steady on the red.

There is a control failure. Check the control unit.

Flashing red light rapidly.

Check the wiring for Twinning.

Rapid flashing of amber.

There is a low flame sense current. Clean the sensor and check for cleaning. If it’s still an issue, you should check for proper gas flow.

A red flash.

There will be a flame, with the gas turned off. Check the gas valves. It could be leaky or slow to close.

Two very bright red flashes.

It has a pressure switch that is stuck in the closed position. Check that the pressure switch or the wiring is correct.

Three flashes of red light.

A pressure switch that is stuck in the open position. Check that you have a faulty inducer, a blocked vent pipe, a broken pressure switch hose, or a faulty pressure switch.

Four red flashes.

The limit switch is stuck while it is open. You may also need to check for a dirty filter, a wrongly sized duct system, an incorrect blower speed setting, or a faulty blower motor.

Five flashes of red light.

The rollout switch is stuck while it is open. The rollout control must be reset manually. After it has opened, you should check to see if the inducer is operating properly or if there is something wrong with the primary heat exchanger.

Six red flashes.

The pressure switch cycle is now locked out. The furnace will be locked for 1 hour. Then it will be reset.

Seven red flashes.

There’s a problem that locks the ignition after too many attempts. If the flame cannot be established, it is possible that there is a faulty gas valve, or a dirty or defective flame sensor, or a faulty hot surface ignitor, or a problem with the burner.

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