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User
Manual
62
Error
Code
Content
Error
Code
Content
U5
Wrong Address of
Compressor Drive Board
C3
Communication error
between master control and
inverter fan motor drive
U6
Valve Abnormal Alarm
C4
Error of Lack of Indoor Unit
U7
Grid DRED0 Response
Protection
C5
Alarm of Indoor Unit Project
Number Collision
U8
Indoor Unit Tube
Malfunction
C6
Alarm of Wrong Number of
Outdoor Unit
U9
Outdoor Unit Tube
Malfunction
C7
Mode Exchanger
Communication Error
UA
Overvoltage Protection of
DC Bus Bar in Power
Grid Side
CH
Rated capacity is too high
UH
Under voltage Protection
of DC Bus Bar in Power
Grid Side
CC
No master control unit error
UC
Master indoor unit is
successfully set
CL
Rated capacity is too low
UL
Emergency Operation
DIP switch setting of the
compressor is wrong
CE
Communication Failure
Between Mode Exchanger
and Indoor Unit
UE
Refrigerant Charging is
ineffective
CF
Error of Multiple Master
Indoor Unit
UF
Indoor Unit Identification
Error of Mode Exchanger
CJ
System addresses is
incompatible
UJ
PV module F0 protection
CP
Error of Multiple Master
Wired Controller