What It Means
- CBK48MVT: Cooling stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting displayed / Pause / Repeat codes). Example or C1 or C2
- CBX40UHV: Stage cooling (shows active cooling stages) C1 or C2
Lennox Split & Multi-Split
Lennox Split & Multi-Split Error Code C
Split & Multi-Split
C means different things on different Split & Multi-Split models. Enter your model number to see only your reading, or find your model below.
Causes & actions from Lennox
Cooling stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting displayed / Pause / Repeat codes). Example or C1 or C2
Models: CBK48MVT
How it shows
- Single-character display: C
This manual entry does not list further causes or actions.
Applicable models & manual sources
- CBK48MVT
Cooling stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause / cfm setting displayed / Pause / Repeat codes). Example or C1 or C2
Stage cooling (shows active cooling stages) C1 or C2
Models: CBX40UHV
Air handler (indoor)
How it shows
- Single-character display: C
This manual entry does not list further causes or actions.
Applicable models & manual sources
- CBX40UHV
Stage cooling (shows active cooling stages) C1 or C2
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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