Maintenance After The Seasonal Use; Table Of Error Codes For Indoor Unit - Gree GMV-ND07PHS/B-T Owner's Manual

7.3 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.

8 Table of Error Codes for Indoor Unit

Error
Content
Code
L0 Indoor Unit Error
Indoor Fan
L1
Protection
L2 E-heater Protection
Water Full
L3
Protection
Wired Controller
L4
Power Supply Error
L5 Freeze protection
No Master Indoor
L7
Unit Error
Power Insufficiency
L8
Protection
Quantity Of Group
L9 Control Indoor Units
Setting Error
High bus bar
o2 voltage of indoor
unit
Overcurrent
o5 Protection of
Indoor Unit
Communication
Malfunction of
o8
Indoor Unit's
Drive
Malfunction of
Temperature
ob
Sensor of Indoor
Unit's Module
db Special Code: Field Debugging Code
Multi Variable Air Conditioners Ducted Type Indoor Unit
Error
Content
Code
Indoor Units Incompatibility
LA
Error
LH Low Air Quality Warning
ODU-IDU Incompatibility
LC
Error
d1 Indoor Unit PCB Error
Ambient Temperature
d3
Sensor Error
Inlet Pipe Temperature
d4
Sensor Error
Outlet Pipe Temperature
d6
Sensor Error
d7 Humidity Sensor Error
d8 Water Temperature Error
IPM Module Protection of
o3
Indoor Unit
Current Detection Circuit
o6 Malfunction of Indoor
Unit
Communication
o9 Malfunction of Main
Mater of Indoor Unit
Charging Circuit
oC Malfunction of Indoor
Unit
24
Error
Content
Code
d9 Jumper Cap Error
Indoor Unit Network
dA
Address Error
Wired Controller PCB
dH
Error
Capacity DIP Switch
dC
Setting Error.
Outlet Air Temperature
dL
Sensor Error
Indoor Unit CO
dE
Error
C0 Communication Error
AJ Filter Cleaning Reminder
Low bus bar voltage of
o1
indoor unit
Failure Startup of
o4
Indoor Unit
Desynchronizing
o7 Protection of Indoor
Unit
High temperature of
oA
Indoor Unit's Module
Other Drive
o0
Malfunction
Sensor
2