What It Means
- GF Line Polarity Reversed
Lennox Equipment not specified
Lennox Equipment not specified Error Code 111
Equipment not specified:
Causes & actions from Lennox
How it shows
- iComfort S30 alert: 111
Priority condition: Service Urgent The unit is reporting that its power and neutral lines are reversed. • Turn off the power to the system and correct the line power voltage wiring. • System resumes normal operation five seconds after critical condition is recovered.
Applicable models & manual sources
- iComfort S30
GF Line Polarity Reversed
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?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
