Lennox VWMB Error Codes

Equipment type not specified · VRF / VRV

• A0 Emergency stop
• D8 Remote off
• E0 Mode conflict
• E1 Communication error between indoor and main outdoor unit
• E2 Controller temperature sensor error
• E3 Middle evaporator temperature sensor (T2) error
• E4 Evaporator outlet temperature sensor (T2B) error
• E5 Outdoor unit error.
• E6 DC fan motor error
• E7 EEPROM error
• E8 Indoor unit DC motor error.
• EE Condensate pump error.
• Eb EXV malfunction
• Ed Outdoor unit Fault
• F0 Communication error between the indoor unit and the wired controller (may affect other…
• F1 Communication error between the indoor unit and the controller.
• F2 Controller EEPROM error.
• F8 MS error
• FE IDU doesn’t have address when it is first turned on
• U4 MS self-inspection error

Reference only. Confirm against the manual for your exact model. Data release 105f66ecb9e96e5dc473025d.