Gree GMV-ND07T/C-T, Owner'S Manual

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Multi Variable Air Conditioners Cassette Type Indoor Unit
19
6 Routine Maintenance
(1) Do turn off the unit and cut off the main power supply when cleaning the air conditioner to avoid electric
shock or injury.
(2) Stand at solid table when cleaning the unit.
(3) Do not clean the unit with hot water whose temperature is higher than 45°C to prevent fade or deformation.
(4) Do not dry the filters by fire, or it may catch fire or become deformed.
(5) Clean the filter with a wet cloth dipped in neutral detergent.
(6) Please contact after-sales service staff if there is abnormal situation.
6.1 Cleaning of Filter
(1) Remove the filters from inlet of IDU. Use a vacuum cleaner to remove dust. If the filters are
dirty, wash them with warm water and mild detergent, and dry the filters in the shade.
(2) If the unit used in the environment with much dust, please clean it regularly (Usually once
every two weeks).
6.2 Maintenance before the Seasonal Use
(1) Check if the air inlet and air outlet of indoor and outdoor unit are blocked.
(2) Check if securely grounded.
(3) Check if all the power cord and communication cable are securely connected.
(4) Check if any error code displayed after energized.
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