What It Means
- GF HSI Sensed Open
Lennox Equipment not specified
Lennox Equipment not specified Error Code 207
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 207
Priority condition: Service Urgent The furnace hot surface igniter is open. • Measure the resistance of hot surface igniter. • Replace the igniter if it is not within the specified range found in furnace installation instruction.
Applicable models & manual sources
- iComfort S30
GF HSI Sensed Open
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
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