Goodman Furnace Error Code 8: How to Fix It

Q: What does error code 8 mean on a Goodman furnace?

Error code 8 indicates an inducer motor fault. The inducer motor is not operating properly, which can prevent the furnace from starting.

Q: Can I reset a Goodman furnace error code 8?

Yes, you can try resetting the furnace by turning off the power at the breaker for 30 seconds, then turning it back on. However, if the fault is still present, the error will return.

Q: How much does it cost to replace a Goodman furnace inducer motor?

The cost varies, but a replacement inducer motor typically costs between $150 and $400 for the part alone. Professional installation can add $100–$300.

Q: Can a clogged vent cause error code 8?

Yes, a blocked vent pipe can prevent the inducer from moving air properly, causing the pressure switch to remain open and triggering error code 8.

Q: Is it safe to run the furnace with error code 8?

No. If the inducer motor is not working, the furnace may not exhaust dangerous gases like carbon monoxide. Turn the furnace off and address the issue immediately.

Abstract

Error code 8 on your Goodman furnace indicates an inducer motor fault. The inducer motor pulls combustion air through the burner and exhausts flue gases. This error can be caused by a stuck or failed motor, blocked venting, or electrical issues. Follow these steps to diagnose and fix the problem.