Gree GMV-N07G/A3A-D(U), Service Manual

Page: 112 / 192

Multi Variable Air Conditioners Indoor Unit for North America
106
CHAPTER 4 MAINTENANCE
1 Malfunction List
1.1 Malfunction List for the Wired Controller
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 Quality 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
Outlet Air Temperature
Sensor Error
L5 Freeze protection d4
Inlet Pipe Temperature
Sensor Error
dE
Indoor Unit CO2 Sensor
Error
L7
No Master Indoor Unit
Error
d6
Outlet Pipe Temperature
Sensor Error
dy
Water Temperature
Sensor Error
L8
Power Insufficiency
Protection
d7 Humidity Sensor Error C0 Communication Error
L9
Quantity Of Group
Control Indoor Units
Setting Error
d8 Water Temperature Error AJ Filter Cleaning Reminder
db Special Code: Field Debugging Code
1.2 Display of Light Board (Only for Two-way Cassette Type Indoor
Uint)
The panel of this model is without nixie tube display. The error codes will be displayed through the
power light, operation light and timer light;
○
,
●
and
◎
stand for on, off and blink respectively.
Power light
○ ◎ ◎ ◎ ◎
Operation light
◎ ● ○ ○ ◎
Timer light
● ○ ● ○ ●
Error code display sheet
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 CO2 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
dy Water Temperature Error
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
db Special Code: Field Debugging Code