Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
21
7 Table of Error Codes for Indoor Unit
Error
Code
Content
Error
Code
Content
Error
Code
Content
L0 Indoor Unit Error LA
Indoor Units
Incompatibility Error
d9 Jumper Cap Error
L1
LH Low Air Quality Warning dA
Indoor Unit Network
Address Error
L2
LC
ODU-IDU Incompatibility
Error
dH
Wired Controller PCB
Error
L3
Water Full
d1 Indoor Unit PCB Error dC
Capacity DIP Switch
L4
Power Supply
d3
Ambient Temperature
Sensor Error
dL
Temperature
L5 Freeze protection d4
Inlet Pipe Temperature
Sensor Error
dE
2
L7
No Master Indoor
d6
Outlet Pipe Temperature
C0 Communication Error
L8
Insufficiency
d7 Humidity Sensor Error AJ
Filter Cleaning
Reminder
L9
Control Indoor
Units Setting
d8 Water Temperature Error
o1
Low bus bar voltage
of indoor unit
o2
High bus bar
voltage of indoor
o3
IPM Module Protection
of Indoor Unit
o4
Failure Startup of
Indoor Unit
o5
Overcurrent
Protection of
o6
Current Detection Circuit
Malfunction of Indoor
o7
Desynchronizing
Protection of Indoor
o8
Communication
Malfunction of
Indoor Unit’s
o9
Communication
Malfunction of Main
Mater of Indoor Unit
oA
High temperature of
Indoor Unit’s Module
ob
Malfunction of
Temperature
Sensor of Indoor
oC
Charging Circuit
Malfunction of Indoor
Unit
o0
Other Drive
Malfunction
Special Code: Field Debugging Code