What It Means
- Anti-cold Air Flow (available on heat pump systems only)
Lennox Split & Multi-Split
Lennox Error Code cF
Split & Multi-Split: Mini-split unit (indoor)
Causes & actions from Lennox
How it shows
- 508242 indoor display: cF
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MWCB
Anti-cold Air Flow (available on heat pump systems only)
MWCB, MWHB
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.
