Code List For Debugging - Gree XE70-33/H Owner's Manual

Wired Controller XE70-33/H

10.3 Code List for Debugging

Error
Code
Outdoor Unit Capacity
U2
Code/Jumper Cap Setting Error
Phase Sequence Protection of
U3
Power Supply
U4 Protection of Lack of Refrigerant
Wrong Address of Compressor
U5
Drive Board
U6 Valve Abnormal Alarm
Grid DRED0 Response
U7
Protection
U8 Indoor Unit Tube Malfunction
U9 Outdoor Unit Tube Malfunction
Overvoltage Protection of DC
UA
Bus Bar in Power Grid Side
Undervoltage Protection of DC
UH
Bus Bar in Power Grid Side
Master indoor unit is successfully
UC
set
Emergency Operation DIP switch
UL setting of the compressor is
wrong
Refrigerant Charging is
UE
ineffective
Content Error Code
Communication between indoor unit
and outdoor unit and the
C0 communication between indoor unit
and wired controller have
malfunction
Communication error of expansion
C1
board
Communication error between
C2 master control and inverter
compressor drive
Communication error between
C3 master control and inverter fan
motor drive
C4 Error of Lack of Indoor Unit
Alarm of Indoor Unit Project
C5
Number Collision
Alarm of Wrong Number of Outdoor
C6
Unit
Mode Exchanger Communication
C7
Error
CH Rated capacity is too high
CC
No master control unit error
CL Rated capacity is too low
Communication Failure Between
CE
Mode Exchanger and Indoor Unit
CF Error of Multiple Master Indoor Unit
68
Content