Tag: error-code

All the articles with the tag "error-code".

• Trane XV20i Error Code 79: Communicating Thermostat Fault Fix

  26 Apr, 2026

  Trane XV20i error code 79 means a communicating thermostat fault. Learn the causes, how to diagnose ComfortLink II wiring issues, and how to fix it fast.

• York Furnace Error Code E2: Pressure Switch Fault Causes and Fix

  26 Apr, 2026

  York furnace error code E2 means a pressure switch fault. Diagnose blocked drains, bad inducer, or failed switch on York, Coleman, and Luxaire furnaces.

• Carrier AC E3 Error Code: IPM Module Fault Diagnosis and Fix

  26 Apr, 2026

  Carrier E3 error code means an IPM module fault on your AC or heat pump. Learn what causes Intelligent Power Module failures and when to replace the board.

• Goodman EE2 Error Code: Control Board Communication Fault Fix

  26 Apr, 2026

  Goodman EE2 error code means a control board communication fault. Diagnose wiring, power surges, and failed boards on Goodman, Amana, and Coleman HVAC systems.