Lennox V33B Error Codes

Equipment type not specified · VRF / VRV

• A0 Emergency stop
• D8 Remote off
• E0 Mode conflict
• E1 Comm. error with outdoor unit
• E2 Controller temperature sensor error
• E3 T2 (Middle of evaporator sensor) malfunction
• E4 T2B (Outlet of evaporator sensor) malfunction
• E5 T2A (Inlet of evaporator sensor) malfunction
• E6 DC fan error
• E7 EEPROM error
• EE High Water Alarm
• Eb EEV error
• Ed Outdoor unit Fault
• F0 Communication/Address error between indoor units and wired controller
• F1 Communication/Wiring error between indoor units and wired controller
• F8 MS error
• FE No address
• U4 MS error in auto system-check mode

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