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Coleman Furnace Error Codes
If you're looking for help fixing your Coleman Furnace, look no further! Our comprehensive Coleman Furnace error code guide will explain common issues, provide tips, and show you how to read your model's error codes.
CODE: Slow green flashing
PROBLEM: Coleman furnace is operating normally.
CODE: Slow amber flashing
PROBLEM: Normal operation with a call for heat.
CODE: Steady on red
PROBLEM: There's a control failure.
CODE: Rapid red flashing
PROBLEM: There's a twinning error with incorrect 24V phasing.
FIX: Check the twinning wiring.
CODE: Rapid amber flashing
PROBLEM: There's a low flame sense current.
FIX: Check and clean the flame sensor. If it's still an issue, check for proper gas flow.
CODE: One red flash
PROBLEM: A flame's present with the gas turned off.
FIX: Check the gas valve. It could be leaky or slow closing.
CODE: Two red flashes
PROBLEM: Pressure switch is stuck in the closed position.
FIX: Check if there is a faulty pressure switch or miswiring.
CODE: Three red flashes
PROBLEM: Pressure switch is stuck in the open position.
FIX: Check if there is a faulty inducer, a blocked vent pipe, a broken pressure switch hose, or a faulty pressure switch.
CODE: Four red flashes
PROBLEM: Limit switch is stuck while open.
FIX: Check for a a dirty filter, an improperly sized duct system, an incorrect blower speed setting, or a faulty blower motor.
CODE: Five red flashes
PROBLEM: Rollout switch is stuck while open.
FIX: The rollout control is manually reset. Therefore, if it has opened, then check to see if the inducer is operating properly or there is an issue with the primary heat exchanger.
CODE: Six red flashes
PROBLEM: Pressure switch cycle has locked out.
FIX: The furnace will lockout for one hour and then reset.
CODE: Seven red flashes
PROBLEM: There's an ignition lockout due to too many retries.
FIX: The flame couldn't be established, check for a faulty gas valve, a dirty or defective flame sensor, a faulty hot surface ignitor, or a problem with the burner.
CODE: Eight red flashes
PROBLEM: There's an ignition lockout due to repeated power recycles.
FIX: Check if there is low gas pressure, a dirty or defective flame sensor, or a faulty gas valve.
CODE: Nine red flashes
PROBLEM: There's a grounding or line polarity issue.
FIX: Check the polarity at both the furnace and branch.
CODE: Ten red flashes
PROBLEM: Gas continues to flow with no call for heating.
FIX: Check on the gas valve and the gas valve wiring.
Related Price Pages:
Coleman Furnace fault codes
Coleman Furnace diagnostic codes
Coleman Furnace error symbols
Coleman Furnace common faults
Our furnace and air conditioner are both Coleman, and they have lasted for ten years. The AC always needs replacement although this is not part of the furnace and we cannot complain about this. The high energy conversion rate as a result of the AFUE high levels makes it the best for me. I have not had any replacements or repairs so far, and I hope I will not have any problems with my furnace. The price is manageable, and I would recommend this to anyone who needs a gas furnace that is not too pricey and works efficiently.
Coleman furnaces are some of the best high-efficiency furnaces so no matter what your budget is, you can probably find room for a high-efficiency or ENERGY STAR certified upgrade. Coleman has a decent selection of heating systems that includes basic single-stage models, two-stage furnaces, and more advanced systems with modulating burners. All Coleman furnaces are backed by excellent warranties that cover parts, heat exchangers, and even labour.
I agree that the installation is the main point when it comes to gas furnaces. I am nothing but satisfied by this brand of Coleman. My previous gas furnace kept on leaking and made my house messy, and I had had to clean often. I always called the technician to do repairs who later on recommended to me the Coleman unit. It’s highly efficient without too much cost of the gas bill. It was also affordable, and the installation was easy.
Coleman offers four different product lines of gas furnaces, namely the Echelon Series, LX Series, Comforteer Series and Coleman Light Commercial Series. Very few of the models are certified by Energy Star.
Being HVAC technician, I have installed this unit on some my clients, and all I can stress is that it is a good unit as long as the installation process is performed by someone who perfectly knows when he is doing and not just anyone. The mistake that many users do is to install a unit without the help of an expert, this leads to poor installation, and the unit starts having problems too early, and some do not even end. Proper installation of any unit is essential if you want your furnace to last long enough. The only bad thing I had with this unit is the unit being a little noisy; the manufacturer should do something about the noise. The price is friendly, and I would recommend this to my clients at any given time.