Lennox V22B Error Codes
Equipment type not specified · VRF / VRV
Model numbers in this family: V22B, V33B, VCFB, VHIB, VMDB, VOSB, VOWA, VVCB, VWMB
- A0 Emergency stop
- Alarm LED Flashes Fast Water level alarm error
- Alarm LED Flashes Slowly Outdoor unit error
- D8 Remote off
- Defrost LED Flashes Fast Mode conflict error
- Defrost LED Flashes Slowly EEPROM ERROR
- E0 Mode conflict
- E1 Communication error between indoor and main 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 motor error
- E7 EEPROM failure
- EC TA (Discharge temperature sensor) malfunction
- EE High Water Alarm
- Eb EXV malfunction
- 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
- Operation And Timer LED Flash Fast Fan coil unit has no registered address upon receiving a power supply
- Operation LED Flashes Fast Possible error with T1 (room sensor) T2 (middle evaporator temperature sensor) T2b…
- Operation LED Flashes Slowly Fan coil in standby mode
- Operation LED Is Active Fan coil is in running mode
- Operation LED Is Non Active Fan coil is in shutdown mode
- Timer LED Flashes Fast Communication error between indoor fan coil units and external condensing units
- Timer LED Is Active Fan coil is under timer control
- U4 MS self-inspection error
Reference only. Confirm against the manual for your exact model. Data release 105f66ecb9e96e5dc473025d.