Split & Multi-Split
F1 means different things on different Split & Multi-Split models. Enter your model number to see only your reading, or find your model below.
3WMB036, M22A, M33A, M33B, MCFA, MCFB, MMDA, MMDB, MWMA, MWMB
Mini-split unit (indoor)
Outdoor ambient temperature sensor error (T4 malfunction) outdoor unit display E4 (Running Light: 2 times, Timer Light: ON)
M22A, M33A, M33B, MCFA, MCFB, MMDA, MMDB
This manual entry does not list further causes or actions.
Outdoor ambient temperature sensor error (T4 malfunction) outdoor unit display E4
MWMA, MWMB, 3WMB036
Outdoor ambient temperature sensor error (T4 malfunction) outdoor unit display E4
M22A, M33A, M33B
Outdoor ambient temperature sensor error (T4 malfunction) outdoor unit display E4
M22A, M33A, M33B, MMDA, MMDB, MCFA, MCFB
3WMB036, M22A, M33A, M33B, MCFA, MCFB, MMDA, MMDB, MWMA, MWMB
Mini-split unit (indoor)
This manual entry does not list further causes or actions.
Indoor unit #1 coil outlet temperature sensor error.
MWMA, MWMB, 3WMB036, M22A, M33A, M33B, MMDA, MMDB, MCFA, MCFB
Models: MLA, MPA, MPB
Mini-split unit (outdoor)
This manual entry does not list further causes or actions.
No. A Indoor unit coil outlet temperature sensor malfunction
MPA, MPB, MLA
M22A, MCFA, MCFB, MFMA, MMDB
Mini-split unit (indoor)
This manual entry does not list further causes or actions.
Outdoor ambient temperature sensor error (T4)
M22A, MMDB, MCFA, MCFB, MFMA
Models: Programmable Wired Controller
Mini-split unit
This manual entry does not list further causes or actions.
The cassette panel is abnormal
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
