Lennox Equipment not specified

Lennox Error Code 349

Equipment not specified:

What It Means

  • GF IFC Error Check Jumper O To R

Causes & actions from Lennox

How it shows
  • iComfort S30 alert: 349

Priority condition: Service Urgent • Only applicable in non-communicating mode. • The O to R link on the furnace has been cut and could possibly cause a brown out. • Might also result in low voltage to which would generate alert code as well. • Configuration link R to O needs to be restored. Will need to restore link by hard-wiring the R to O terminals on the terminal strip.

Applicable models & manual sources
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.

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