Gree GWH09AGA-K6DNA1A Service Manual
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Gree GWH09AGA-K6DNA1A Service Manual

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Service Manual
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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Rustam
June 26, 2025

Перестал охлаждать, фрион в норме

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Рустам
June 26, 2025

Есть ли функция сброс к заводским настройкам у этой модели

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Summary of Contents for Gree GWH09AGA-K6DNA1A

  • Page 1 Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI...

  • Page 2: Table Of Contents

    5.2 PCB Printed Diagram ....................24 6. Function and Control ..................31 6.1 Remote Controller Introduction ...............31 6.2 GREE+ App Operation Manual ................36 6.3 Ewpe Smart App Operation Manual ..............37 6.4 Brief Description of Modes and Functions ...........38 Part Ⅱ : Installation and Maintenance ..........42...
  • Page 3 Service Manual 8.6 Installation of Outdoor Unit ................51 8.7 Vacuum Pumping and Leak Detection ............52 8.8 Check after Installation and Test Operation ..........52 9. Maintenance ......................53 9.1 Error Code List ......................53 9.2 Procedure of Troubleshooting ................60 9.3 Troubleshooting for Normal Malfunction ............73 10.

  • Page 4: Part Ⅰ : Technical Information

    Service Manual Part : Technical Information Ⅰ 1. Summary Indoor Unit A1 Panel Outdoor Unit GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O GWH09AGB-K6DNA1B/O GWH12AGC-K6DNA1A/O GWH18AGD-K6DNA1D/O GWH18AGD-K6DNA1A/O GWH24AGD-K6DNA1C/O GWH24AGD-K6DNA1A/O Technical Information...
  • Page 5 Product Code Indoor Unit Model Outdoor Unit Model Product Code Controller Product Code CB385001000 CB385N01000 GWH09AGA-K6DNA1A GWH09AGA-K6DNA1A/I GWH09AGA-K6DNA1A/O CB385W01000 CB385001002 CB385N01002 3 GWH09AGB-K6DNA1B CB385002300 GWH09AGB-K6DNA1B/I CB385N02300 GWH09AGB-K6DNA1B/O CB385W02300 4 GWH12AGC-K6DNA1A CB385002400 GWH12AGC-K6DNA1A/I CB385N02400 GWH12AGC-K6DNA1A/O CB385W02400 CB385001700 CB385N01700 GWH12AGB-K6DNA1A GWH12AGB-K6DNA1A/I GWH12AGB-K6DNA1A/O CB385W01700...

  • Page 6: Specifications

    Service Manual 2. Specifications 2.1 Specification Sheet Model GWH09AGA-K6DNA1A GWH12AGB-K6DNA1A Product Code CB385001000/CB385001002 CB385001700/CB385001702 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 2500 3200 Heating Capacity 2800 3400 Cooling Power Input Heating Power Input...
  • Page 7 Service Manual Model of Outdoor Unit GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O Product Code of Outdoor Unit CB385W01000 CB385W01700 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO.,LTD CO., LTD Compressor Model FTz-AN075ACBF-A FTz-AN088ACBF-A Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L.R.A. 20.00 Compressor RLA 3.00...
  • Page 8 Service Manual Model GWH18AGD-K6DNA1A GWH09AGB-K6DNA1B Product Code CB385001900 CB385002300 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 4600 2700 Heating Capacity 5200 2800 Cooling Power Input 1355 Heating Power Input 1340 Cooling Power Current 3.51 Heating Power Current 3.32...
  • Page 9 Service Manual Model of Outdoor Unit GWH18AGD-K6DNA1A/O GWH09AGB-K6DNA1B/O Product Code of Outdoor Unit CB385W01900 CB385W02300 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO.,LTD CO., LTD Compressor Model QXF-A120zH190A FTz-AN075ACBF-A Compressor Oil RB68EP FW68DA Compressor Type Rotary Rotary L.R.A. 18.00 20.00 Compressor RLA 5.00...
  • Page 10 Service Manual Model GWH12AGC-K6DNA1A GWH24AGD-K6DNA1A Product Code CB385002400 CB385001500 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 3200 6200 Heating Capacity 3400 6500 Cooling Power Input 1631 Heating Power Input 1645 Cooling Power Current 4.15 Heating Power Current 3.86...
  • Page 11 Service Manual Model of Outdoor Unit GWH12AGC-K6DNA1A/O GWH24AGD-K6DNA1A/O Product Code of Outdoor Unit CB385W02400 CB385W01500 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR Compressor Manufacturer/Trademark CO., LTD CO., LTD Compressor Model FTz-AN088ACBF-A GTD141UKRF8JT6G Compressor Oil FW68DA ACS-68R Compressor Type Rotary Rotary L.R.A. 20.00 Compressor RLA 3.60...
  • Page 12 Service Manual Model GWH18AGD-K6DNA1D GWH18AGD-K6DNA1D CB385008300 Product Code CB385008302 CB385008301 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 4600 4600 Heating Capacity 5200 5200 Cooling Power Input 1355 1355 Heating Power Input 1340 1340 Cooling Power Current...
  • Page 13 Service Manual Model of Outdoor Unit GWH18AGD-K6DNA1D/O Product Code of Outdoor Unit CB385W08300 Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR CO., LTD Compressor Model FTz-AN108ACBD Compressor Oil FW68DA or equivalent Compressor Type Rotary L.R.A. Compressor RLA Compressor Power Input Overload Protector Throttling Method Capillary Operation Temp 16~30...
  • Page 14 Service Manual Model GWH24AGD-K6DNA1C GWH24AGD-K6DNA1C CB385008600 Product Code CB385008602 CB385008601 Rated Voltage 220-240 220-240 Power Rated Frequency Supply Phases Power Supply Mode Outdoor Outdoor Cooling Capacity 6200 6200 Heating Capacity 6500 6500 Cooling Power Input 1786 1786 Heating Power Input 1645 1645 Cooling Power Current...
  • Page 15 Service Manual Model of Outdoor Unit GWH24AGD-K6DNA1C/O Product Code of Outdoor Unit CB385W08600 Compressor Manufacturer/Trademark ZHUHAI LINDA COMPRESSOR CO., LTD Compressor Model FTz-SM151AXBD Compressor Oil FW68DA Compressor Type Rotary L.R.A. Compressor RLA 6.06 Compressor Power Input 1330 Overload Protector Throttling Method Capillary Operation Temp 16~30...

  • Page 16: Capacity Variation Ratio According To Temperature

    Service Manual 2.2 Capacity Variation Ratio According to Temperature Heating operation ambient temperature range is -15ºC~24ºC Cooling Heating Cooling Conditions Indoor:DB20°C Indoor air flow:Super High Condition Conditions Indoor:DB27°C WB19°C Pipe length:5m Indoor:DB27°C/WB19°C Indoor air flow:Super High Indoor air flow: High Pipe length:5m Pipe length:5m Outdoor temp.(°C)

  • Page 17: Noise Curve

    Service Manual 2.4 Noise Curve Cooling: Heating: Indoor side noise when blowing Indoor side noise when blowing Turbo Turbo Ultralow Medium-high High Medium-high Medium-low Medium Ultralow Medium-low High Medium Indoor fan motor rotating speed Indoor fan motor rotating speed Outdoor side noise when blowing Outdoor side noise when blowing 09/12K Heating 09/12K Cooling...

  • Page 18: Outline Dimension Diagram

    Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit AGA/AGB Φ55 Φ55 Φ55 Unit:mm Model 133.5 183.5 122.5 707.5 Φ55 Technical Information...

  • Page 19: Outdoor Unit

    Service Manual 3.2 Outdoor Unit 09/12K GWH18AGD-K6DNA1D/O Unit:mm GWH18AGD-K6DNA1A/O Unit:mm Technical Information...
  • Page 20 Service Manual GWH24AGD-K6DNA1A/O Unit: mm GWH24AGD-K6DNA1C/O Technical Information...

  • Page 21: Refrigerant System Diagram

    Valve Capillary Strainer Service Manual COOLING 4. Refrigerant System Diagram Outdoor unit Indoor unit Gas pipe side Valve 4-Way valve Di s charge Heat Suction Accumlator exchanger Compressor (evaporator) Heat exchanger Liquid pipe (condenser) side Valve Capillary Strainer Strainer COOLING HEATING Connection pipe specification: Liquid pipe:1/4"...

  • Page 22: Electrical Part

    Service Manual 5. Electrical Part 5.1 Wiring Diagram ● Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name White Green Jumper cap Yellow Brown COMP Compressor Blue Grounding wire YEGN Yellow/Green Black Violet Orange Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ●...
  • Page 23 Service Manual GWH18AGD-K6DNA1A/I(CB385N01900) GWH18AGD-K6DNA1D/I(CB385N08300/CB385N08301) GWH24AGD-K6DNA1C/I(CB385N08600/CB385N08601) 600007063656 GWH12AGC-K6DNA1A/I 600007063888 Technical Information...
  • Page 24 Service Manual GWH24AGD-K6DNA1A/I(CB385N01500) 60000706411701 GWH18AGD-K6DNA1D/I(CB385N08302) GWH24AGD-K6DNA1C/I(CB385N08602) 60000706365601 Technical Information...
  • Page 25 Service Manual ● Outdoor Unit 09/12K 600007064836 GWH18AGD-K6DNA1A/O 600007063906 Technical Information...
  • Page 26 Service Manual GWH24AGD-K6DNA1A/O 60000706334102 GWH18AGD-K6DNA1D/O GWH24AGD-K6DNA1C/O WARNING OPTIONAL OPTIONAL Please don't touch any BOTTOM OUTTUBE OUTROOM EXHAUST ELECTRONIC terminal when the machine is BAND TEMP. TEMP. TEMP. EXPANSION running ,stopping or has been HEATER SENSOR SENSOR SENSOR VALVE powered off for less than 30 minutes to prevent the risk of electric shock ! MAGNETIC RING...

  • Page 27: Pcb Printed Diagram

    Service Manual 5.2 PCB Printed Diagram Indoor Unit GWH12AGB-K6DNA1A ● Top view Name 1 Terminal of communication Fuse Live wire terminal 4 Neutral wire terminal PG Motor terminal Interface of health function Up&down swing interface 2 8 Up&down swing interface 1 Left &Right swing interface(only for the model with this function) Interface of PG feedback...
  • Page 28 Service Manual GWH12AGC-K6DNA1A/I GWH24AGD-K6DNA1C/I Top view Name 1 Terminal of communication Jumper cap Live wire terminal PG Motor terminal Neutral wire terminal 6 Fuse 7 Interface of health function Up&down swing interface 2 Up&down swing interface 1 Left &Right swing interface 11 Interface of PG feedback display interface 13 Terminal of temperature sensor...
  • Page 29 Service Manual GWH24AGD-K6DNA1A/I ● Top view Name Fuse Live wire Neutral wire Dommunication wire DC fan Cold plasma Left&right swing Up&down swing 2 Up&down swing 1 10 Interface of display board 11 Temperature sensor 12 Door control 13 Wired controller 14 Earthing wire 15 Terminal of live wire ●...
  • Page 30 Service Manual Outdoor Unit 09/12K GWH18AGD-K6DNA1D/O ● Top view Name Earthing wire Neutral wire, live wire and communication cable 4-way valve electric heating belt of chasssis Outdoor fan Electronic expansion valve Overload Temperature sensor Three-phase terminal of compressor ● Bottom view Technical Information...
  • Page 31 Service Manual GWH18AGD-K6DNA1A/O Top view Name 1 Interface of compressor wire 2 Reactor wiring terminal 2 3 Reactor wiring terminal 1 4 Terminal of chassis electric heater 4-way valve terminal Grounding wire 7 Neutral wire 8 Communication wire 9 Live wire 10 Terminal of electronic expansion valve 11 Interface of temperature sensor 12 Overload interface of compressor...
  • Page 32 Service Manual GWH24AGD-K6DNA1A/O Top view Compressor three phase input interface Interface of system high pressure protection Compressor overload protection interface 4 Interface of temperature sensor Interface of electronic expansion valve Interface of system low pressure protection 7 Interface of fan 8 4-way valve interface 9 2-way valve interface Interface of electric heating for...
  • Page 33 Service Manual GWH24AGD-K6DNA1C/O Name Neutral wire, live wire and communication cable 4-way valve electric heating belt of chasssis Electronic expansion valve Outdoor fan Temperature sensor Overload Three-phase terminal of compressor Technical Information...

  • Page 34: Function And Control

    Service Manual 6. Function and Control 6.1 Remote Controller Introduction Notice: This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status. After putting through the power, the air conditioner will give out a sound.
  • Page 35 Service Manual Notice: Set temperature range from remote controller: 16~30 (61- ). Fan speed: auto,quiet,low speed, low-medium Press this button continuously more than 2s, the main unit speed,medium speed,medium-high speed, high speed. will swing back and forth from left to right, and then loosen This mode indicator is not available for some models.
  • Page 36 Service Manual blinking. " " icon resumes displaying. Cancel T-ON: Unde The interval between two operations can't exceed 5s. the condition that T-ON is started up, press "T-ON " button to Otherwise, remote controller will quit setting status. Operation cancel it. for TIMER ON/TIMER OFF is the same.
  • Page 37 Service Manual Notice: WiFi Under energy-saving function, fan speed is defaulted at When WiFi function is turned on, " WiFi " icon will be displayed auto speed and it can't be adjusted. on the remote controller; when WiFi function is turned off, Under energy-saving function, set temperature can't be "...
  • Page 38 Service Manual During cleaning, please make sure the room is well ventilated to avoid affecting the degree of comfort. Notice: The self-cleaning function can only work under normal ambient temperature. If the room is dusty, clean once a month; if not, clean once every three months. After the self- cleaning function is turned on, you may leave the room.

  • Page 39: Gree+ App Operation Manual

    GREE+ App Download Linkage Scan the QR code or search "GREE+" in the application market to download and install it. When "GREE+" App is installed, register the account and add the device to achieve long-distance control and LAN control of Gree smart home appliances.

  • Page 40: Ewpe Smart App Operation Manual

    Service Manual 6.3 Ewpe Smart App Operation Manual Control Flow Chart Internet Cloud intelligent Cellular/ Home Wi-Fi home Other Wi-FI appliances Home wireless router Home Wi-Fi Operating Systems Requirement for Users smart phone: iOS system Android system Support iOS7.0 and Support Android 4.4 and above version above version...

  • Page 41: Brief Description Of Modes And Functions

    Service Manual 6.4 Brief Description of Modes and Functions Indoor Unit ● 1.Basic function of system (1)Cooling mode (1) Under this mode, fan and swing operates at setting status. Temperature setting range is 16~30 (2) During malfunction of outdoor unit or the unit is stopped because of protection, indoor unit keeps original operation status. (2)Drying mode (1) Under this mode, fan operates at low speed and swing operates at setting status.
  • Page 42 Service Manual (8)I feel control mode After controller received I feel control signal and ambient temperature sent by remote controller, controller will work according to the ambient temperature sent by remote controller. (9)Entry condition for compulsory defrosting function When turn on the unit under heating mode and set temperature is 16 C (or 16.5 C by remote controller), press “+, -, +, -, +, -”...
  • Page 43 Service Manual Outdoor Unit ● 1. Cooling mode: Working condition and process of cooling mode: ① When Tindoor ambient temperature≥Tpreset, unit enters into cooling mode. Indoor fan, outdoor fan and compressor start operation. Indoor fan operates according to set fan speed. ②...
  • Page 44 Service Manual 7. Auto mode Auto mode is determined by controller of IDU. See IDU logic for details. 8. 8 C heating Set temperature is 8 C. Display board of IDU displays 8 C. Under this mode, “Cold air prevention” function is shielded. If compressor is operating under this mode, fan speed will adjust according to auto fan speed;...

  • Page 45: Part Ⅱ : Installation And Maintenance

    Service Manual Part Ⅱ : Installation and Maintenance 7. Notes for Installation and Maintenance Safety Precautions: 10. If the power cord or connection wire is not long enough, please get the specialized power cord or connection wire from the manufacture or distributor. Prohibit prolong the wire Important! by yourself.
  • Page 46 Service Manual Safety Precautions for Installing and Relocating the Unit: To ensure safety, please be mindful of the following precautions. Warnings 1. When installing or relocating the unit, be sure to keep the refrigerant circuit free from air or substances other than the specified refrigerant.
  • Page 47 Service Manual Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man ●All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.
  • Page 48 Service Manual Main Tools for Installation and Maintenance 1. Level meter, measuring tape 2. Screw driver 3. Impact drill, drill head, electric drill 4. Electroprobe 5. Universal meter 6. Torque wrench, open-end wrench, inner hexagon spanner 7. Electronic leakage detector 8.

  • Page 49: Installation

    Service Manual 8. Installation 8.1 Installation Dimension Diagram Space to the wall At least 15cm Space to the wall At least 15cm Space to the obstruction At least 50cm Drainage pipe Installation and Maintenance...
  • Page 50 Service Manual Start installation Preparation before installation Read the requirements select installation Prepare tools for electric connection location Select indoor unit Select outdoor unit installation location installation location Install the support of outdoor unit Install wall-mounting (select it according to the actual situation) frame, drill wall holes Connect pipes of indoor Fix outdoor unit...

  • Page 51: Installation Parts-Checking

    Service Manual 8.4 Requirements for electric connection 8.2 Installation Parts-checking 1. Safety Precaution (1) Must follow the electric safety regulations when installing Name Name the unit. Indoor unit Sealing gum (2) According to the local safety regulations, use qualified Outdoor unit Wrapping tape power supply circuit and air switch.
  • Page 52 Service Manual in the holes. (3) Fix the wall-mounting frame on the wall with tapping screws Left Right and then check if the frame is firmly installed by pulling the frame. If the plastic expansion particle is loose, please drill another fixing hole nearby.
  • Page 53 Service Manual Note: Drain hose Outlet pipe (1) All wires of indoor unit and outdoor unit should be connected by a professional. (2) If the length of power connection wire is insufficient, please Tape contact the supplier for a new one. Avoid extending the wire by Fig.9 yourself.

  • Page 54: Installation Of Outdoor Unit

    Service Manual Refer to the following table for wrench moment of force: 8.6 Installation of Outdoor Unit Piping size Tightening torque(N m) 1. Fix the Support of Outdoor Unit(Select it according to 15~20 the actual installation situation) 30~40 (1) Select installation location according to the house structure. 45~55 (2) Fix the support of outdoor unit on the selected location with 60~65...

  • Page 55: Vacuum Pumping And Leak Detection

    Service Manual 2. Leakage Detection Note: (1) With leakage detector: (1) The through-wall height of drain hose shouldnt be higher Check if there is leakage with leakage detector. than the outlet pipe hole of indoor unit.(As show in Fig.25) (2) With soap water: (2) Slant the drain hose slightly downwards.

  • Page 56: Maintenance

    Service Manual 9. Maintenance 9.1 Error Code List Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator During cooling and drying Possible reasons: High operation, except indoor...
  • Page 57 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Name Code Operation Cool Heating Display Indicator Indicator Indicator When the outdoor unit receive signal of Gathering Gathering refrigerant ,the system will Nominal cooling mode refrigerant be forced to run under cooling mode for...
  • Page 58 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Decrease frequency All loads operate normally, while Overload or temperature is too high; due to operation frequency for Refrigerant is insufficient;...
  • Page 59 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Malfunction Dual-8 A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Compressor intermediate Showing during middle cooling or frequence in middle heating test test state Overcurrent...
  • Page 60 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator During cooling and drying Desynchro- Refer to the malfunction analysis (IPM protection, operation, compressor will stop nizing of while indoor fan will operate;...
  • Page 61 Service Manual Display Method of Indoor Unit Indicator Display (during blinking, ON 0.5s and OFF Dual-8 Malfunction A/C status Possible Causes 0.5s) Code Name Operation Cool Heating Display Indicator Indicator Indicator Refrigerant Refrigerant recovery. The recovery Serviceman operates it for mode maintenance.
  • Page 62 Service Manual Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible causes: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the system has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation;...

  • Page 63: Procedure Of Troubleshooting

    Service Manual 9.2 Procedure of Troubleshooting Indoor unit 1. Malfunction of Temperature Sensor Main detection points: ● Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted? ● Is there short circuit due to trip-over of the parts? ●...
  • Page 64 Service Manual 2. Malfunction of Blocked Protection of IDU Fan Motor Main detection points: ● SmoothlyIs the control terminal of PG motor connected tightly? ● SmoothlyIs the feedback interface of PG motor connected tightly? ● The fan motor can't operate? ●...
  • Page 65 Service Manual 3. Malfunction of Protection of Jumper Cap Main detection points: ● Is there jumper cap on the mainboard? ● Is the jumper cap inserted correctly and tightly? ● The jumper is broken? ● The motor is broken? ● Detection circuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Appearance of the...
  • Page 66 Service Manual 4. Malfunction of Zero-crossing Inspection Circuit Malfunction of the IDU Fan Motor Main detection points: ● Instant energization afte de-energization while the capacitordischarges slowly? ● The zero-cross detectioncircuit of the mainboard is defined abnormal? Malfunction diagnosis process: Start Turn power off for 1minute,the turn back on...
  • Page 67 Service Manual 5. Malfunction of detecting plate(WIFI )JF Start check if the connection wire are correctly connected detecting Replace the plate with the same model Is malfunction eliminated Replace the mainboard with the same model The end Installation and Maintenance...
  • Page 68 Service Manual Outdoor unit 1. Capacitor charge fault (Fault with outdoor unit) (AP1 below refers to the outdoor control panel) Main Check Points: ●Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC~240VAC. ●Is the reactor (L) correctly connected? Is the connection loose or fallen? Is the reactor (L) damaged? Fault diagnosis process: Turn on the unit...
  • Page 69 Service Manual 5. IPM protection, phase current overcurrent (the control board as below indicates the control board of outdoor unit) H5/P5 Mainly detect: (1) Compressor COMP terminal (2) voltage of power supply (3) compressor (4) Refrigerant-charging volume (5) air outlet and air inlet of outdoor/indoor unit Troubleshooting: Turn on the unit after energization...
  • Page 70 Service Manual 3. High temperature and overload protection diagnosis (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is outdoor ambient temperature in normal range? ●Are the outdoor and indoor fans operating normally? ●Is the heat dissipation environment inside and outside the unit good? Fault diagnosis process: Overheat and high temperature protection...
  • Page 71 Service Manual 4. Start-up failure (following AP1 for outdoor unit control board) Mainly detect: ●Whether the compressor wiring is connected correct? ●Is compressor broken? ●Is time for compressor stopping enough? Fault diagnosis process: Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes?
  • Page 72 Service Manual 5. Out of step diagnosis for the compressor (AP1 hereinafter refers to the control board of the outdoor unit) Mainly detect: ●Is the system pressure too high? ●Is the input voltage too low? Fault diagnosis process: Out of step occurs in Out of step occurs once the operation unit is powered on.
  • Page 73 Service Manual 6. Overload and air exhaust malfunction diagnosis (following AP1 for outdoor unit control board) Mainly detect: ●Is the PMV connected well or not? Is PMV damaged? ●Is refrigerant leaked? Fault diagnosis process: 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the...
  • Page 74 Service Manual 7. Communication malfunction: (following AP1 for outdoor unit control board) Mainly detect: ●Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? ●Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Fault diagnosis process: Start...
  • Page 75 Service Manual 8. Malfunction of Overcurrent Protection Main detection points: ● Is the supply voltage unstable with big fluctuation? ● Is the supply voltage too low with overload? ● Hardware trouble? Malfunction diagnosis process: Start Normal fluctuation should be within 10 % Is malfunction Is the supply voltage unstable of the rated voltage on the nameplate...

  • Page 76: Troubleshooting For Normal Malfunction

    Service Manual 9.3 Troubleshooting for Normal Malfunction 1. Air Conditioner Can't be Started Up Possible Causes Discriminating Method (Air conditioner Status) Troubleshooting Confirm whether its due to power failure. If yes, No power supply, or poor After energization, operation indicator isnt bright wait for power recovery.
  • Page 77 Service Manual 4. ODU Fan Motor Can't Operate Possible causes Discriminating method (air conditioner status) Troubleshooting Connect wires according to wiring diagram to Wrong wire connection, or poor Check the wiring status according to circuit make sure all wiring terminals are connected connection diagram firmly...

  • Page 78: Exploded View And Parts List

    Service Manual 10. Exploded View and Parts List 10.1 Indoor Unit 9/12K ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 79 Service Manual Part Code Description GWH09AGA-K6DNA1A/I GWH12AGB-K6DNA1A/I GWH09AGA-K6DNA1A/I Product Code CB385N01000 CB385N01700 CB385N01002 Evaporator Support 200025000003 200025000003 200025000003 Axile Bush Sub-assy 10542047 10542047 10542047 Cross Flow Fan 10352067 10352066 10352067 Evaporator Assy 011001000127 01100106015005 011001000127 Motor Press Plate 200020060008 200020060008...
  • Page 80 Service Manual Part Code Description GWH09AGB-K6DNA1B/I GWH12AGC-K6DNA1A/I GWH12AGB-K6DNA1A/I Product Code CB385N02300 CB385N02400 CB385N01702 Evaporator Support 200025000003 200025060004 200025000003 Axile Bush Sub-assy 10542047 10542047 10542047 Cross Flow Fan 10352067 103001060004 10352066 Evaporator Assy 011001060150 01100106088101 01100106015005 Motor Press Plate 200020060008 200020060002 200020060008 Wall Mounting Frame Sub-assy 017211000005...
  • Page 81 Service Manual GWH18AGD-K6DNA1A/I CB385N01900 GWH24AGD-K6DNA1C/I CB385N08600 GWH24AGD-K6DNA1A/I CB385N01500 GWH18AGD-K6DNA1D/I CB385N08300 GWH24AGD-K6DNA1C/I CB385N08601 GWH18AGD-K6DNA1D/I CB385N08301 ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 82 Service Manual Part Code Description GWH18AGD-K6DNA1A/I GWH24AGD-K6DNA1A/I GWH24AGD-K6DNA1C/I Product Code CB385N01900 CB385N01500 CB385N08601 Front Panel 200003060155T 200003060155T 200003060155T Front Case Assy 000002060180 000002060180 000002060180 Guide Louver Sub-assy 1 000136060056 000136060056 000136060056 Guide Louver Sub-assy 2 000136060057 000136060057 000136060057 Plug Pin 200033060002 200033060002 200033060002...
  • Page 83 Service Manual Part Code Description GWH18AGD-K6DNA1D/I GWH18AGD-K6DNA1D/I GWH24AGD-K6DNA1C/I Product Code CB385N08300 CB385N08301 CB385N08600 Front Panel 200003060155T 200003060155T 200003060155T Front Case Assy 000002060180 000002060180 000002060180 Guide Louver Sub-assy 1 000136060056 000136060056 000136060056 Guide Louver Sub-assy 2 000136060057 000136060057 000136060057 Plug Pin 200033060002 200033060002 200033060002...
  • Page 84 Service Manual GWH18AGD-K6DNA1D/I CB385N08302 GWH24AGD-K6DNA1C/I CB385N08602 ON/OFF MODE I FEEL T-ON T-OFF TEMP CLOCK LIGHT WiFi SLEEP The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 85 Service Manual Part Code Description GWH18AGD-K6DNA1D/I GWH24AGD-K6DNA1C/I Product Code CB385N08302 CB385N08602 Front Panel 200003060155T 200003060155T Front Case Assy 000002060180 000002060180 Guide Louver Sub-assy 1 000136060056 000136060056 Guide Louver Sub-assy 2 000136060057 000136060057 Plug Pin 200033060002 200033060002 Left Axile Bush 10512037 10512037 Rear Case 20000106003301...

  • Page 86: Outdoor Unit

    Service Manual 10.2 Outdoor Unit 09/12K GWH18AGD-K6DNA1D/O 33 34 The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 87 Service Manual Part Code Description GWH09AGA-K6DNA1A/O GWH12AGB-K6DNA1A/O GWH18AGD-K6DNA1D/O Product Code CB385W01000 CB385W01700 CB385W08300 Coping 01204906008701P 01204906008701P 012049060124P Supporting Board(Condenser) 012072061032 012072061032 4-Way Valve 430004022 430004022 072007060013 Sponge(Condenser) 1212309101 1212309101 12123091 Temperature Sensor Support 24213042 24213042 24213042 Condenser Assy 011002061289 011002061317...
  • Page 88 Service Manual Part Code Description GWH09AGB-K6DNA1B/O GWH12AGC-K6DNA1A/O Product Code CB385W02300 CB385W02400 Coping 01204906008701P 01204906008701P Supporting Board(Condenser) 012072061032 012072061032 4-Way Valve 430004022 430004022 Sponge(Condenser) 1212309101 1212309101 Temperature Sensor Support 24213042 24213042 Condenser Assy 011002061456 011002061317 Capillary Sub-assy 030006060901 030006060915 Sensor Insert 42020063 42020063 Right Side Plate...
  • Page 89 Service Manual GWH18AGD-K6DNA1A/O 22 23 24 25 26 The component picture is only for reference; please refer to the actual product. Installation and Maintenance...
  • Page 90 Service Manual Part Code Description GWH18AGD-K6DNA1A/O Product Code CB385W01900 Handle 2623343106 Supporting Board 01173194 Brushless DC Motor 1501308507 Motor Support 01703136 Condenser Assy 011002061373 Coping 01253107P Rear Grill 01475014 Clapboard Sub-Assy 01233180 Compressor and Fittings 009001060472 Compressor Gasket 009012000027 4-Way Valve Assy 030152060500 Big Handle 2623343106...
  • Page 91 Service Manual GWH24AGD-K6DNA1A/O The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 92 Service Manual Part Code Description GWH24AGD-K6DNA1A/O Product Code CB385W01500 Rear Grill 016001000023 Axial Flow Fan 10333023 Fan Motor 1501506406 Electric Box Assy 100002069968 Electric Box 20113027 Radiator 49010252 Main Board 300027061230 Electric Box Cover 20123028 Terminal Board 422000060009 Handle 26233013 Left Side Plate 01303025 Coping...
  • Page 93 Service Manual GWH24AGD-K6DNA1C/O The component is only for reference;please refer to the actual product. Installation and Maintenance...
  • Page 94 Service Manual Part Code Description GWH24AGD-K6DNA1C/O Product Code CB385W08600 Front Panel Assy 000003060525 Front grill 200057060018 Front Panel 012022060011 Axial Flow Fan 10333014 Drainage hole Cap 76711012 Chassis Sub-assy 017000060596P Drainage Joint 26113009 Compressor and Fittings 009001060617 Compressor Gasket 009033060003 4-Way Valve 430004032 4-Way Valve Assy...

  • Page 95: Removal Procedure

    Service Manual 11. Removal Procedure Caution: discharge the refrigerant completely before removal. 11.1 Removal Procedure of Indoor Unit Step Procedure Before disassemble Turn off the air conditioner and disconnect the power before disassemble the air conditioner. 1. Remove filter Filter Hold the handle on the filter, pull it upwards to let the clasp at the top part of the filter loose, push it forwards and then the filter can be pulled out.
  • Page 96 Service Manual Step Procedure 3.Remove panel Panel rotation Open the front panel; separate the panel rotation Panel Display shaft from the groove fixing the front panel and then removes the front panel. Screws Note: The display of some models is fixed on the panel; unscrew the screws fixing the display on the panel before removing the panel.
  • Page 97 Service Manual Step Procedure 6.Remove electric box assy Electric box Screw Remove the screw fixing electric box assy. Step motor Indoor tube Grounding ① Cut off the wire binder and pull out the temperature sensor Electric box assy screw indoor tube temperature sensor. ②...
  • Page 98 Service Manual Step Procedure 5.Remove panel Remove 3 screws fixing evaporator assy. Screws At the back of the unit, Loosen the clasp of the connection pipe clamp and then remove the connection pipe clamp. Connecting pipe clamp First remove the left side of evaporator from the groove of bottom shell and then remove the right side from the clasp on the bottom shell.
  • Page 99 Service Manual Step Procedure 8. Remove motor and cross flow fan Remove 3 screws fixing motor clamp and then remove the motor clamp. Motor Press Plate Screws Loose the screws (2-3 circles) used for fixing the cross flow fan, pull right to pull out the motor. Screw 9.

  • Page 100: Removal Procedure Of Outdoor Unit

    Service Manual 11.2 Removal Procedure of Outdoor Unit 09/12K GWH18AGD-K6DNA1D/O Steps Procedure 1. Before disassembly 2. Remove big handle and valve cover big handle Remove the connection screw fixing the big handle and then remove the valve cover. valve cover 3.
  • Page 101 Service Manual Steps Procedure 4. Remove grille Remove connection screws between the front grille and the front panel. Then remove the grille. grille 5. Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel.
  • Page 102 Service Manual Steps Procedure 8. Remove motor and motor support motor support Remove the tapping screws fixing the motor and disconnect the leading wire insert of the motor. Then remove the motor. Remove the tapping screws fixing the motor support and lift the motor support to motor remove it.
  • Page 103 Service Manual Steps Procedure 11. Remove compressor Unsolder the welding joint connecting the capillary, valves and the outlet pipe of condenser to remove the capillary. Do not block the capillary with welding slag 4-way valve during unsoldering. Remove the 2 screws fixing the gas valve and unsolder the welding joint between the gas valve and the air-return pipe to remove the gas valve.
  • Page 104 Service Manual GWH18AGD-K6DNA1A/O Installation and Maintenance...
  • Page 105 Service Manual Installation and Maintenance...
  • Page 106 Service Manual Installation and Maintenance...
  • Page 107 Service Manual Capillary Sub-assy Installation and Maintenance...
  • Page 108 Service Manual Warning: Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant GWH24AGD-K6DNA1A/O completely before removal. Step Procedure 1. Remove handle Remove the screw fixing the handle and then handle remove the handle.
  • Page 109 Service Manual screws Rear Grill Installation and Maintenance...
  • Page 110 Service Manual Installation and Maintenance...
  • Page 111 Service Manual Installation and Maintenance...
  • Page 112 Service Manual Installation and Maintenance...
  • Page 113 Service Manual Installation and Maintenance...
  • Page 114 Service Manual GWH24AGD-K6DNA1C/O Steps Procedure 1. Before disassembly 2. Remove valve cover Remove the connection screw and then remove the valve cover. valve cover 3. Remove big handle Remove the connection screw and then remove the big handle. big handle Installation and Maintenance...
  • Page 115 Service Manual Steps Procedure 4. Remove top cover top cover Remove connection screws connecting the top panel with the front panel and the right side plate, and then remove the top panel. 5. Remove grille Remove connection screws between the front grille and the front panel.
  • Page 116 Service Manual Step Procedure 7. Remove right side plate Remove connection screws connecting the right side plate with the valve support right side plate and the electric box. Then remove the right side plate. 8. Remove the nut and gasket on the blade and then remove the axial flow blade Remove the nut and gasket on the blade axial flow...
  • Page 117 Service Manual Step Procedure 10.Remove Electric Box Assy Remove screws fixing the electric box subassembly; loosen the wire bundle and unplug the wiring terminals. Then lift the electric box to remove it. Electric Box Assy 11. Remove isolation sheet Remove the screws fixing the isolation sheet and then remove the isolation sheet.
  • Page 118 Service Manual Step Procedure compressor Unsolder pipes connecting with compressor. nuts Remove the 3 foot nuts on the compressor and then remove the compressor. Installation and Maintenance...

  • Page 119: Appendix

    Service Manual Appendix: Appendix 1: Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit display Fahrenheit Celsius （℃） Celsius （℃） Celsius （℃） temperature temperature temperature （℉）...

  • Page 120: Appendix 3: Pipe Expanding Method

    Service Manual Appendix 3: Pipe Expanding Method Pipe Note: Pipe cutter Improper pipe expanding is the main cause of refrigerant leakage.Please expand the pipe according to the following steps: Leaning Uneven Burr A:Cut the pip ● Confirm the pipe length according to the distance of indoor unit and outdoor unit. ●...

  • Page 121: Appendix 4: List Of Resistance For Temperature Sensor

    Service Manual Appendix 4: List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units(15K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 138.1 18.75 3.848 1.071 128.6 17.93 3.711 1.039 121.6 17.14 3.579 1.009...
  • Page 122 Service Manual Resistance Table of Tube Temperature Sensors for Outdoor and Indoor(20K) Temp( C) Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( Resistance(kΩ) 181.4 25.01 5.13 1.427 171.4 23.9 4.948 1.386 162.1 22.85 4.773 1.346 153.3 21.85 4.605 1.307 20.9 4.443 1.269 137.2 4.289...
  • Page 123 Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor(50K) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) Temp( C) Resistance(kΩ) Temp( Resistance(kΩ) 853.5 18.34 4.75 799.8 93.42 17.65 4.61 89.07 16.99 4.47 703.8 84.95 16.36 4.33 660.8 81.05 15.75 4.20 620.8 77.35 15.17 4.08 580.6...
  • Page 124 JF00304392 GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI Add: West Jinji Rd, Qianshan, Zhuhai,Guangdong, China, 519070 Tel: (+86-756) 8522219 Fax: (+86-756) 8669426 E-mail: global@cn.gree.com www.gree.com For product improvement, specifications and appearance in this manual are subject to change without prior notice.

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