Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
21
6.3 Maintenance after the Seasonal Use
(1) Set the unit in fan mode for half a day in a sunny day to dry the inner part of unit.
(2) When the unit won’t be used for a long time, please cut off power supply for energy saving;
the characters on the wired controller screen will disappear after cutting off the power
supply.
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
Indoor Fan Protection
LH
Low Air Quanlity Warning
dA
Indoor Unit Network
Address Error
L2
E-heater Protection
LC
ODU-IDU Incompatibility
Error
dH
Wired Controller PCB
Error
L3
Water Full Protection
d1
Indoor Unit PCB Error
dC
Capacity DIP Switch
Setting Error.
L4
Wired Controller Power
Supply Error
d3
Ambient Temperature
Sensor Error
dL
Indoor Unit CO
2
Sensor
Error
L5
Freeze Protection
d4
Inlet Pipe Temperature
Sensor Error
dE
Capacity DIP Switch
Setting Error.
L7
No Master Indoor Unit
Error
d6
Outlet Pipe Temperature
Sensor Error
db
Special Code: Field
Debugging Code
L8
Power Insufficiency
Protection
d7
Humidity Sensor Error
C0
Communication Error
L9
Quantity Of Group Control
Indoor Units Setting Error
d8
Water Temperature Sensor
Error
AJ
Filter Cleaning Reminder
o1
Low Bus bar Voltage of
Indoor Unit
o2
High Bus bar Voltage of
Indoor Unit
o3
IPM Module Protection of
Indoor Unit
o4
Failure Startup of Indoor
Unit
o5
Overcurrent Protection of
Indoor Unit
o6
Current Detection Circuit
Malfunction of Indoor
Unit
o7
Desynchronizing
Protection of Indoor Unit
o8
Communication
Malfunction of Indoor Unit’s
Drive
o9
Communication
Malfunction of Main
Mater of Indoor Unit
oA
High Temperature of
Indoor Unit’s Module
ob
Malfunction of
Temperature Sensor of
Indoor Unit’s Module
oC
Charging Circuit
Malfunction of Indoor
Unit
o0
Other Drive Malfunction
db
Special Code: Field Debugging Code
Summary of Contents for VRF VE8C005C432P
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