Lennox VRF VEWCL1E - ODU and IDU Error Codes

Wired Controller VEWCL1E
63
10.1 Error Code List of ODU
Code Content Code Content
E0
Outdoor Unit Error
J8
System Pressure Over-Ratio
Protection
E1
High Pressure Protection
J9
System Pressure Under-Ratio
Protection
E2
Discharge Low Temperature
Protection
JA
Protection of Abnormal
Pressure
E3
Low Pressure Protection
JC
Protection of Water Flow
Switch
E4
Excess Discharge Temperature
Protection of Compressor
JL
Protection of Low
High-pressure
Ed
Low temperature protection of driver
module
JE
Oil return pipe is blocked
F0
Bad Performance of the Outdoor
Mainboard
JF
Oil return pipe is leaking
F1
High Pressure Sensor Error
JJ
Low water-in temperature
protection
F2
Low Pressure Sensor Error
b1
Outdoor Ambient Temperature
Sensor Error
F3
Bad Performance of the Outdoor
Mainboard
b2
Defrosting Temperature
Sensor 1 Error