Error Code AMBER 3 FLASHES

Goodman GMEC960803BN Error Code AMBER 3 FLASHES: W2 call present without W1

TL;DR
W2 call present without W1
Disclaimer
This article is for informational purposes only and does not guarantee the accuracy or completeness of the information provided. Always turn off power and gas supply before attempting any repairs. If you smell gas, leave immediately and call your gas company. Consult a licensed HVAC technician for diagnosis and repair. Any actions taken based on this information are at your own risk.

What Does Code AMBER 3 FLASHES Mean?

W2 call present without W1

Common Causes

Cause Likelihood DIY?
Faulty thermostat or thermostat wiring Most common ✗ Call a pro →
Improperly connected thermostat wires Common ✗ Call a pro →

When to Call a Professional

Contact a licensed HVAC technician if:

Sources

  1. Goodman GMEC96 Service Instructions Manual - Two Stage Furnace with Multi-Speed ECM Motor