Wired Controller XE70-33/H
69
Error
Code
Content
Error Code
Content
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
UP
Protection shutdown error of
thermal storage module
CU
Communication Error between
Indoor Unit and Remote Receiver
UU
Electronic expansion valve leak
error of thermal storage module
Cb
Outflow of Units IP Address
Ub
Protection without shutdown
error of thermal storage module
Cd
Communication Failure Between
Mode Exchanger and Outdoor Unit
Ud
Grid-connection driver board
error
Cn
Indoor and Outdoor Network Error
of Mode Exchanger
Un
Communication error between
grid-connection driver board and
master controller
Cy
Communication Error of No Master
in Mode Exchanger
Uy
PV module overheating
protection
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10.4 Code List for Status
Error Code
Content
Error Code
Content
A0
Unit is waiting for debugging
Ay
Shielding status
A1
Check the compressor operation
parameters
n3
Compulsory defrosting
A2
After-sales Refrigerant Reclaim
q5
Setting of ordinary units and high
sensible heat units
A3
Defrosting
q7
Select degree Celsius or Fahrenheit
A4
Oil return
q8
Discharge low temperature
protection revision value b
A5
Online Testing
q9
Setting of defrosting mode
A8
Vacuum-pumping Mode
qL
Setting of static pressure