Ingersoll Rand Furnace Error Code E11
IFC has detected internal gas valve relay failure, or 24 VAC sensed at 2nd stage gas valve when it should not be. Includes: (1) 1st stage gas valve not energized when it should be, (2) 1st stage gas valve relay stuck closed, (3) 2nd stage gas valve relay stuck closed, (4) 2nd stage gas valve energized when it should not be, (5) 2nd stage gas valve not energized when it should be.
SourceIngersoll Rand S9V2 Furnace - Service Facts: Gas-Fired Condensingp. 55, 59, 79
The full E11 procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
SourceIngersoll Rand S9V2 Furnace - Service Facts: Gas-Fired Condensingp. 55, 59, 79
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Where this code is documented
1 manual in the MyPros+ library documents this code for Ingersoll Rand furnace.
Models covered by the manuals that document this code
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