Lennox VRF VEWCL1E - Page 75

Wired Controller VEWCL1E
71
Code Content Code Content
UH
Undervoltage protection of DC bus
bar in power grid side
C6
Alarm of Wrong Number of Outdoor
Unit
UF
Indoor Unit Identification Error of
Mode Exchanger
C7
Mode Exchanger Communication
Error
UL
Emergency Operation DIP switch
setting of the compressor is wrong.
CH Rated capacity is too high.
UJ PV module F0 protection CL Rated capacity is too low.
UP
Protection shutdown error of thermal
storage module
CJ System addresses is incompatible.
UU
Electronic expansion valve leak error
of thermal storage module
CP Multiple master wired controller error
Ub
Protection without shutdown error of
thermal storage module
CU
Communication Error between Indoor
Unit and Remote Receiver
Ud Grid-connection driver board error Cd
Communication error between mode
switcher and ODU
Un
Communication error between
grid-connection driver board and
master controller
Cn
Indoor and Outdoor Network Error of
Mode Exchanger
Uy PV module overheating protection Cy
Communication Error of No Master in
Mode Exchanger