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Error code reference
Lennox Furnace Error Code E207
Hot surface ignitor sensed open.
SourceLennox SLP98DFV - Service Manual: High-Efficiency Gas Furnacep. 18
Diagnostic procedure
The full E207 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
Measure resistance of hot surface ignitor. Replace if open or not within specified range (39-70 ohms). Resumes normal operation after fault is cleared.
SourceLennox EL296DFE Series Furnace - Full Service Manualp. 12
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
4 manuals in the MyPros+ library document this code for Lennox furnace.
Models covered by the manuals that document this code
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