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User
Manual
61
Error
Code
Content
Error
Code
Content
d8
Water Temperature
Abnormality
o9
Communication Error of IDU
Master Controller
d9
Jumper Cap Error
oA
High Temperature of IDU
Module
dA
Indoor Unit Hardware
Address Error
oC
IDU Charging Circuit Error
dH
Wired Controller
PC-Board Error
ob
Temperature Sensor Error
of IDU Module
dC
Capacity DIP Switch
Setting Error
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6.1.3 Table of Debugging Codes
Error
Code
Content
Error
Code
Content
U2
Outdoor Unit Capacity
Code/Jumper Cap
Setting Error
C0
Communication between
indoor unit and outdoor unit
and the communication
between indoor unit and
wired controller have
malfunction
U3
Phase Sequence
Protection of Power
Supply
C1
Communication error of
expansion board
U4
Protection of Lack of
Refrigerant
C2
Communication error
between master control and
inverter compressor drive