Goodman HVAC Error Code 26: How to Fix It

Q: What does error code 26 mean on a Goodman AC?

Error code 26 indicates a defrost timer fault. The control board detects an issue with the timer circuit that initiates the defrost cycle, often due to a bad board or thermistor.

Q: Can I bypass the defrost timer temporarily?

You can manually force a defrost on some models by pressing a test button, but bypassing the timer is not recommended. It can cause ice buildup and damage the system.

Q: How much does a Goodman defrost control board cost?

A replacement defrost control board typically costs between $50 and $150, depending on the model. Always order a genuine Goodman part for compatibility.

Q: Will error code 26 reset itself?

After fixing the underlying issue, you can reset the system by turning off power for 30 seconds. The error code may clear on its own if the fault was temporary.

Abstract

Goodman error code 26 indicates a defrost timer fault in your air conditioner or heat pump. This means the defrost control board has detected a problem with the timer circuit that manages the defrost cycle. You can often resolve this by checking the timer settings or replacing the defrost control board.