background image

Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit 

20

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 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 CO

2

 Sensor 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

8 Troubleshooting

The air conditioner is not expected to be serviced by users. Incorrect repair may cause electric shock 

or fire, so please contact an authorized service center for professional service. The following checks prior 

to contact may save your time and money.

Phenomenon

Troubleshooting

The unit can’t start up

① 

Power supply is not connected

② 

Circuit breaker tripping caused by leakage of electricity

③ 

Input voltage is too low

④ 

Operation button is closed

⑤ 

Control loop is abnormal

The unit stops after 

running for a while

① 

There is obstacle in front of the condenser

② 

Control loop is abnormal

③ 

Set the unit in cooling mode when outdoor ambient temperature is higher than 

43

Poor cooling effect

① 

The filter is dirty or blocked

② 

Too heavy heat load of room(e.g. too many people)

③ 

Door or window is open

④ 

Inlet and outlet of IDU are blocked

⑤ 

Setting temperature is too high or refrigerant leaks

⑥ 

The performance of room temperature sensor is getting worse

Poor heating effect

① 

The filter is dirty or blocked

② 

Door or window is open

③ 

Setting temperature is too low

④ 

Refrigerant leakage

⑤ 

Outdoor ambient temperature is lower than -5

⑥ 

Abnormality of control circuit

Содержание GMV-ND112ZD/A-T

Страница 1: ...tronic version GREE reserves the right to interpret this manual which will be subject to any change due to product improvement without further notice GREE Electric Appliances Inc of Zhuhai reserves th...

Страница 2: ...u need to disassemble and check units please contact our service center We will send specialists to guide the disassembly 6 All graphics in this manual is only for your reference For sales or producti...

Страница 3: ...ainage Pipe Installation and Drainage System Testing 11 4 4 Installation of Wired Controller 14 5 Wiring Work 15 5 1 Connection of Wire and Patch Board Terminal 15 5 2 Power Cord Connection 16 5 3 Con...

Страница 4: ...ments specified on the nameplate And also take care of the power safety Installation should be conducted by dealer or qualified personnel Please do not attempt to install the unit by yourself Improper...

Страница 5: ...ic shock or injury may happen Do not expose the unit to the moist or corrosive circumstances Volatile liquid such as diluent or gas will damage the unit appearance Only use soft cloth with a little ne...

Страница 6: ...hould not be the responsibility of Gree Electric Appliances Inc of Zhuhai 2 Product Introduction 2 1 Names of Key Components 1 2 3 4 5 6 No Name Drainage Pipe Connection Pipe Air Inlet Grille With Fil...

Страница 7: ...peration Mode Cooling Heating Fan Dehumidifying Fan Speed Adjustment Temperature Adjustment X fan Function Quiet Function Sleep Function Save Function E heater Function Memory Function Absence Functio...

Страница 8: ...gas pipe 3 Special nut 1 To connect liquid pipe 4 M10X8 nut with washer 8 To be used together with the suspension bolt for installing the unit 5 Insulation 1 To insulate the gas pipe 6 Insulation 1 To...

Страница 9: ...personnel can carry out installation work please contact with local dealer before installation Make sure all the installation work completed before energizing 3 3 Requirements of Communication Wire S...

Страница 10: ...ch Models Power specification Air Switch Capacity A Minimum Sectional Area of Grounding Wire mm2 Minimum Sectional Area of Power Cord mm2 GMV ND28ZD A T 220 240V 1ph 50Hz 208 230V 1ph 60Hz 6 1 1 GMV N...

Страница 11: ...D H Drainage Pipe Outer Diameter wall thickness Outer Diameter of Connection Pipe Liquid pipe Gas pipe GMV ND28ZD A T 1220 225 1158 280 700 17 1 75 6 35 9 52 GMV ND36ZD A T GMV ND50ZD A T 1220 225 115...

Страница 12: ...hammer as shown in the right fig of Fig 4 1 2 1 3 Remove the right and left side panels as shown in Fig 4 1 2 2 4 Put the hanger bolt into the clasp of the indoor unit and then tighten the bolt on the...

Страница 13: ...sure that the unit is horizontal as shown below Note Adjust the height of the unit to make the drainage pipe slant slightly downward so that the water will drain out smoothly Horizontal tester Fig 4...

Страница 14: ...r of drainage hose should be bigger or equal to the diameter of drainage pipe joint 3 Install drainage pipe according to the following fig and arrange insulation to the drainage pipe Improper installa...

Страница 15: ...sloping downwards at a gradient of at least 1 for preventing forming air bubbles 3 Insert the drainage hose into drain socket and then tighten the metal clamp securely 4 Warp the sealing pad over dra...

Страница 16: ...nward slope of at least 1 2 in order to prevent pipes from sagging install hanger bracket at intervals of 1000 1500mm 1000 1500mm Fig 4 3 2 5 9 Prepare the local piping at the connection point for the...

Страница 17: ...Wired Controller Wired controller is optional accessory If wired controller is needed please contact your local dealer and install the wired controller according to the instruction manual Note Do per...

Страница 18: ...tention that the metal shield layer of the twin twisted wire must be grounded outer case in order to prevent the unit from electromagnetic interference 11 The communication wires should be separated f...

Страница 19: ...ller Wired Controller Note indoor unit quantity n is according to the outdoor unit capacity Wiring board of power XT1 Wiring board of communication XT2 Wiring board of power XT1 Wiring board of commun...

Страница 20: ...through the wiring through holes 3 Connect the communication wire to terminal H1 and H2 of indoor 4 bit wiring board 4 Fix the communication wire with clamp 5 Wiring instructions of signal receiver an...

Страница 21: ...The type of indoor units must be the same if they are controlled by the same wired controller When the indoor unit is controlled by two wired controllers the addresses of the two wired controllers sho...

Страница 22: ...ped in neutral detergent Please contact after sales service staff if there is abnormal situation 6 1 Cleaning of Filter 1 Remove the air filter on the air inlet for cleaning Use a dust catcher or wate...

Страница 23: ...nsor Error AJ Filter Cleaning Reminder 8 Troubleshooting The air conditioner is not expected to be serviced by users Incorrect repair may cause electric shock or fire so please contact an authorized s...

Страница 24: ...ture sensor head is not suitable Tube temperature sensor head isn t inserted well Wiring of tube temperature sensor head is broken Capacitor is leaking electricity Note If air conditioner still fails...

Страница 25: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com...

Отзывы: