Trane A801X080CM5SD E11: Internal gas valve relay or valve error
The RunTru by Trane A801X furnace error-code table identifies E11 as a gas valve relay or gas-valve energizing error.
Trane A801X080CM5SD E7.1: Gas valve energized when it should be off
The RunTru by Trane A801X furnace error-code table identifies E7.1 when the gas valve is energized without the proper request.
Trane A801X080CM5SD E2.3: First-stage gas valve not energized when expected
The RunTru by Trane A801X furnace error-code table identifies E2.3 when the first-stage gas valve is not energized when it should be after repeated attempts.
Trane S8V2D120M5PDA E11: Internal gas valve error
The Trane S8V2 error-code table identifies E11 as internal gas valve relay or gas-valve energizing errors.
Trane S8V2D120M5PDA E7.1: First-stage gas valve energized without request
The Trane S8V2 error-code table identifies E7.1 when the first-stage gas valve is energized without request.
Trane S8V2D120M5PDA E2.3: First-stage gas valve not energized when expected
The Trane S8V2 error-code table identifies E2.3 when the first-stage gas valve is not energized when it should be.
Trane S8V2A040M3PDA E11: Internal gas valve error
The Trane S8V2 error-code table identifies E11 as internal gas valve relay or gas-valve energizing errors.
Trane S8V2A040M3PDA E7.1: First-stage gas valve energized without request
The Trane S8V2 error-code table identifies E7.1 when the first-stage gas valve is energized without request.
Trane S8V2A040M3PDA E2.3: First-stage gas valve not energized when expected
The Trane S8V2 error-code table identifies E2.3 when the first-stage gas valve is not energized when it should be.
Trane S8V2B060M4PDA E7.1: First-stage gas valve energized without request
The Trane S8V2 error-code table identifies E7.1 when the first-stage gas valve is energized without request.