Lennox VRF V22B Series User Manual

11
Flashing LED Lights Description
Operation LED Flashes Slowly Fan coil in standby mode
Operation LED Is Non Active Fan coil is in shutdown mode
Operation LED Is Active Fan coil is in running mode
Timer LED Is Active Fan coil is under timer control
Operation And Timer LED Flash Fast Fan coil unit has no registered address upon receiving a power supply
Timer LED Flashes Fast
Communication error between indoor fan coil units and external con-
densing units
Operation LED Flashes Fast
Possible error with T1 (room sensor) T2 (middle evaporator temperature
sensor) T2b (evaporator outlet temperature sensor)
Alarm LED Flashes Fast Water level alarm error
Defrost LED Flashes Fast Mode conict error
Alarm LED Flashes Slowly Outdoor unit error
Defrost LED Flashes Slowly EEPROM ERROR
NOTES:
LED FLASHING SLOWLY = 1 FLASH PER SECOND
LED FLASHING FAST = 2 FLASHES PER SECOND
Shown on Indoor Unit Receiver (LED Display)
Error Code Description
FE No address
E0 Mode conict
E1 Communication error between indoor and main outdoor unit
E2 T1 (Room temperature sensor) malfunction
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
Eb EXV malfunction
EC TA (discharge temperature sensor) malfunction
Ed Outdoor unit Fault
EE High Water Alarm
A0 Emergency stop
D8 Remote o󰀨
U4 MS self-inspection error
F8 MS error
Fault Code Display on Indoor Unit Receiver (Digital Display)
Error Code Description
F0 Communication/Address error between indoor units and wired controller
F1 Communication/Wiring error between indoor units and wired controller
E2 Controller temperature sensor error
Fault Code Display on Controller

Lennox VRF V22B Series Specifications

General

Brand	Lennox
Model	VRF V22B Series
Category	Air Conditioner
Language	English