What It Means
- Indoor coil outlet temperature sensor error (T2B)
- Indoor unit #6 coil outlet temperature sensor error.
- MLA, MPA, MPB: No. F Indoor unit coil outlet temperature sensor malfunction
Lennox Split & Multi-Split
Lennox Error Code F6
Split & Multi-Split
F6 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
Indoor coil outlet temperature sensor error (T2B)
5 models
M22A, MCFA, MCFB, MFMA, MMDB
Mini-split unit (indoor)
How it shows
- 507550 indoor display: F6
This manual entry does not list further causes or actions.
Applicable models & manual sources
- M22A
Indoor coil outlet temperature sensor error (T2B)
M22A, MMDB, MCFA, MCFB, MFMA
Indoor unit #6 coil outlet temperature sensor error.
10 models
3WMB036, M22A, M33A, M33B, MCFA, MCFB, MMDA, MMDB, MWMA, MWMB
Mini-split unit (indoor)
How it shows
- corp1816 old indoor display: F6
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MWMA
Indoor unit #6 coil outlet temperature sensor error.
MWMA, MWMB, 3WMB036, M22A, M33A, M33B, MMDA, MMDB, MCFA, MCFB
No. F Indoor unit coil outlet temperature sensor malfunction
Models: MLA, MPA, MPB
Mini-split unit (outdoor)
How it shows
- corp1816 multizone outdoor display: F6
This manual entry does not list further causes or actions.
Applicable models & manual sources
- MPA
No. F Indoor unit coil outlet temperature sensor malfunction
MPA, MPB, MLA
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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