What It Means
- Communication/Wiring error between indoor units and wired controller
- VWMB: Communication error between the indoor unit and the controller.
Lennox VRF / VRV
Lennox VRF / VRV Error Code F1
VRF / VRV
F1 means different things on different VRF / VRV models. Enter your model number to see only your reading, or find your model below.
Causes & actions from Lennox
Communication/Wiring error between indoor units and wired controller
13 models
V22B, V33B, VCFB, VHIB, VMDB, VOSB, VOWA, VRHC, VRHCVOS01-3P, VSCA, VSEA, VVCB, VWMB
Reheat coil (indoor), VRF indoor unit (indoor)
How it shows
- wired controller display: F1
This manual entry does not list further causes or actions.
Applicable models & manual sources
- V22B
Communication/Wiring error between indoor units and wired controller
- V22B
Communication/Wiring error between indoor units and wired controller
V22B, V33B, VCFB, VHIB, VMDB, VOSB, VOWA, VVCB, VWMB
- V33B
Communication/Wiring error between indoor units and wired controller
- VCFB
Communication/Wiring error between indoor units and wired controller
- VHIB
Communication/Wiring error between indoor units and wired controller
- VRHC
Communication/Wiring error between indoor units and wired controller
VRHC, VRHCVOS01-3P
- VSCA
Communication/Wiring error between indoor units and wired controller
VSCA, VSEA
- VVCB
Communication/Wiring error between indoor units and wired controller
- VWMB
Communication/Wiring error between indoor units and wired controller
Communication error between the indoor unit and the controller.
Models: VWMB
How it shows
- wired controller display: F1
This manual entry does not list further causes or actions.
Applicable models & manual sources
- VWMB
Communication error between the indoor unit and the controller.
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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