Lennox VRF VEWCL1B

62
7.1 TABLE OF ERROR CODES FOR OUTDOOR
UNIT
Error
Code
Content
Error
Code
Content
Error
Code
Content
E0
Outdoor Unit Error
FL
Compressor 3 Current
Sensor Error
b4
Subcooler Liquid-out
Temperature Sensor
Error
E1
High Pressure Protection
Fn
Mode Exchanger Inlet
Pipe Temperature
Sensor Error
b5
Subcooler Gas-out
Temperature Sensor
Error
E2
Discharge Low
Temperature Protection
FP
Malfunction of DC
motor
b6
Gas-liquid separator
inlet temperature sensor
error
E3
Low Pressure Protection
FU
Compressor 2 Top
Temperature Sensor
Error
b7
Gas-liquid separator
outlet temperature
sensor error
E4
Excess Discharge
Temperature Protection
of Compressor
J1
Compressor 1
Over-current Protection
b8
Outdoor Humidity
Sensor Error
F0
Bad Performance of the
Outdoor Mainboard
J2
Compressor 2
Over-current Protection
b9
Heat Exchanger Gas-out
Temperature Sensor
Error
F1
High Pressure Sensor
Error
J3
Compressor 3
Over-current Protection
bA
Oil-return Temperature
Sensor Error
F3
Low Pressure Sensor
Error
J4
Compressor 4
Over-current Protection
bC
Compressor 1 Top
Temperature Sensor
Detachment Protection
F5
Compressor 1 Discharge
Temperature Sensor
J5
Compressor 5
Over-current Protection
bE
Malfunction of entry tube
temperature sensor of
Wired Controller VEWCL1B