Error code reference

Ingersoll Rand Furnace Error Code E05

Flame detected when it should not be present.

SourceIngersoll Rand S9V2 Furnace - Service Facts: Gas-Fired Condensingp. 54, 59, 72

Diagnostic procedure

The full E05 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.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check if flame is seen with no call for heat; if no flame visible, check if flame current is measured across FS pads (possible flame sense wire shorted to ground or flame sensor grounded).

SourceIngersoll Rand S9V2 Furnace - Service Facts: Gas-Fired Condensingp. 54, 59, 72

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock E05 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

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

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax