Goodman Furnace Error Codes. In order to troubleshoot issues with your Goodman furnace, it is important to understand the error codes that may be displayed.. 10 Simple HVAC Hacks for Summer Savings; My Braeburn Thermostat Won't Go Below 68 - Why? What To Do? How To Remove A Williams Wall Heater Cover
Besides Goodman fault codes, there are the messages which can also appear, status and data related to these codes. This information can give you the idea about any necessary further actions - for example, 3 flashes mean that Goodman pressure switch stuck open, and 2 flashes mean the same part stuck closed.. Here are some common Goodman furnace fault codes you may come across. Goodman Furnace Fault Code: Meaning: Potential Issue: Light ON: No signal from thermostat: Thermostat not properly connected, issue with thermostat setting: Light OFF: Control failure: No power, issue with connections: 1 flash: