Lennox VRF VEWCL1E Instruction Manual page 69

Code
Mode Exchanger Inlet Pipe
Fn
Temperature Sensor Error
Fy Water-out temperature sensor error
Compressor
FA
Temperature Sensor Error
Mode Exchanger Outlet Pipe
Fd
Temperature Sensor Error
FH Compressor 1 Current Sensor Error
FC
Compressor 2 Current Sensor Error
FP
Malfunction of DC motor
Compressor 2 Top Temperature
FU
Compressor 2 Top Temperature
Fb
Compressor 1 Over-current
J1
Content
6 Discharge
Sensor Error
Sensor Error
Protection
Wired Controller VEWCL1E
Code
bF
bJ
bP
bU
bb
bd
bn
by
P0
P1
65
Content
Malfunction of exit tube
temperature sensor of
condenser
High and low pressure sensors
are connected inversely
Oil-return 2 temperature
sensor error
Oil-return 3 temperature
sensor error
Oil-return 4 temperature
sensor error
Air-in temperature sensor error
of subcooler
Liquid-in temperature sensor
error of subcooler
Water-out temperature sensor
error
Compressor Drive Board Error
Compressor Drive Board
Malfunction