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Service Manual

Technical Information

20

4.Refrigerant System Diagram

Cooling model

Cooling and heating model

OUTDOOR COILS

HOT DISCHARGED AIR

COMPRESSOR

REFRIGERANT FLOW DIRECTION

CAPILLARY

CENTRIFUGAL

OR CROSS FAN

AXIAL FAN

INDOOR COILS

COOLED AIR

OUTDOOR COILS

HOT DISCHARGED AIR

COOLED AIR

COMPRESSOR

AXIAL FAN

CENTRIFUGAL

CAPILLARY

OR CROSS FAN

REFRIGERANT FLOW DIRECTION

NOTES:

COOLING MODE

HEATING MODE

HOT AIR

INDOOR COILS

COOLED AIR

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Summary of Contents for R1

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

Page 2: ...of Control Pane 28 6 2 Introduction of Remote Controller 29 6 3 GREE App Operation Manual 35 6 4 Ewpe Smart App Operation Manual 36 6 5 Function Introduction 37 Part Ⅱ Installation and Maintenance 40 7 Notes for Installation and Maintenance 40 8 Installation 43 8 1 Installation Precaution 43 8 2 Location 43 8 3 How to Install 43 8 4 Installation Procedure 43 8 5 Installation Assistance 43 8 6 Drai...

Page 3: ... 2 Malfunction of Temperature Sensor 47 9 3 Maintenance Method for Normal Malfunction 52 10 Exploded View and Parts List 55 11 Removal Procedure 88 Appendix 98 Appendix 1 Reference Sheet of Celsius and Fahrenheit 98 Appendix 2 List of Resistance for Temperature Sensor 99 ...

Page 4: ...Service Manual Technical Information 1 1 Summary Part Ⅰ Technical Information Models R1 Panel B9 Panel G2 Panel G1 Panel B3 Panel YAW1F7 WiFi Remote Controller YAW1F11 ...

Page 5: ...K6NRNB9A CC053027700 19 GJH21AE K6NRNB9A CC053027800 20 GJC07AK K6NRNB3C CC053029600 21 GJH07AK K6NRNB3C CC053029500 22 GJC09AK K6NRNB3C CC053029700 23 GJH09AK K6NRNB3C CC053029800 24 GJC21AE K6NRNG1A CC053030000 25 GJH12AG K6NRNG1A CC053032700 26 GJC12AG K6NRNG1A CC053034300 27 GJH18AE K6NRNG1A CC053032800 28 GJC18AE K6NRNG1A CC053034400 29 GJH21AE K6NRNG1A CC053032600 30 GJC07AK K6NRNG2A CC05303...

Page 6: ...lume H M L m3 h 780 720 660 640 590 540 Dehumidifying Volume L h 2 2 1 5 EER W W 3 31 3 31 COP W W SEER W W HSPF W W Application Area m2 23 34 16 24 Fan Motor Speed H M L rpm 1060 980 900 900 830 760 Output of Fan Motor W 190 100 Fan Motor RLA A 1 6 0 73 Fan Motor Capacitor μF 7 4 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permissible Excessive Operating Pressure for th...

Page 7: ... side Compressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF D184F090AA QXF B133E090 Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L R A A 41 27 5 Compressor RLA A 5 84 4 4 Compressor Power Input W 1320 955 Overload Protector UP3 B7 HPA 325 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 Ambient temp Coo...

Page 8: ... 2 1 5 EER W W 3 31 3 31 COP W W SEER W W HSPF W W Application Area m2 23 34 16 24 Fan Motor Speed H M L rpm 1060 980 900 900 830 760 Output of Fan Motor W 190 100 Fan Motor RLA A 1 6 0 73 Fan Motor Capacitor μF 7 4 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permissible Excessive Operating Press...

Page 9: ... side Compressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF D184F090AA QXF B133E090 Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L R A A 41 27 5 Compressor RLA A 5 84 4 4 Compressor Power Input W 1320 955 Overload Protector UP3 B7 HPA 325 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 Ambient temp Coo...

Page 10: ...rent A 12 8 7 5 Air Flow Volume H M L m3 h 860 800 740 660 610 560 Dehumidifying Volume L h 2 2 1 5 EER W W 3 31 3 31 COP W W 3 4 SEER W W HSPF W W Application Area m2 27 42 16 24 Fan Motor Speed H M L rpm 1060 980 900 900 830 760 Output of Fan Motor W 190 100 Fan Motor RLA A 1 6 0 73 Fan Motor Capacitor μF 7 4 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permissible Exce...

Page 11: ...ide Compressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF E21H090 QXF B133E090 Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L R A A 39 00 27 5 Compressor RLA A 6 70 4 4 Compressor Power Input W 1520 955 Overload Protector HPA 340 HPA 325 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 Ambient temp Cool...

Page 12: ...Current A 10 7 13 2 Air Flow Volume H M L m3 h 780 720 660 840 780 720 Dehumidifying Volume L h 2 2 2 2 EER W W 3 31 3 31 COP W W 3 31 3 26 SEER W W HSPF W W Application Area m2 23 34 27 42 Fan Motor Speed H M L rpm 1060 980 900 1160 1050 940 Output of Fan Motor W 190 170 Fan Motor RLA A 0 8 0 8 Fan Motor Capacitor μF 7 7 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permi...

Page 13: ...de Compressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF D184F090AA QXF E21H090 Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L R A A 39 39 00 Compressor RLA A 6 7 6 70 Compressor Power Input W 1520 1520 Overload Protector HPA 340 HPA 340 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 Ambient temp Cool...

Page 14: ... 4 5 4 5 Air Flow Volume H M L m3 h 480 430 380 480 430 380 Dehumidifying Volume L h 1 0 1 0 EER W W 3 33 3 33 COP W W 3 33 SEER W W HSPF W W Application Area m2 12 18 12 18 Fan Motor Speed H M L rpm 930 870 810 930 870 810 Output of Fan Motor W 45 45 Fan Motor RLA A 0 43 0 43 Fan Motor Capacitor μF 3 5 3 5 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permissible Excessiv...

Page 15: ...ressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF A075D190 QXF A075D190 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary L R A A 14 14 Compressor RLA A 2 5 2 5 Compressor Power Input W 558 558 Overload Protector HPA 414 HPA 414 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 Amb...

Page 16: ... 380 480 430 380 Dehumidifying Volume L h 1 0 1 0 EER W W 3 33 3 33 COP W W 3 33 SEER W W HSPF W W Application Area m2 12 18 12 18 Fan Motor Speed H M L rpm 930 870 810 930 870 810 Output of Fan Motor W 45 45 Fan Motor RLA A 0 43 0 43 Fan Motor Capacitor μF 3 5 3 5 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side...

Page 17: ...ssor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF B098C190 QXF B098C190 Compressor Oil FW68DA or equivalent FW68DA or equivalent Compressor Type Rotary Rotary L R A A 21 5 21 5 Compressor RLA A 3 2 3 2 Compressor Power Input W 686 686 Overload Protector HPA 422 HPA 422 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 A...

Page 18: ...60 610 560 Dehumidifying Volume L h 1 0 1 5 EER W W 3 33 3 31 COP W W 3 33 3 4 SEER W W HSPF W W Application Area m2 12 18 16 24 Fan Motor Speed H M L rpm 930 870 810 900 830 760 Output of Fan Motor W 45 100 Fan Motor RLA A 0 43 0 73 Fan Motor Capacitor μF 3 5 4 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MP...

Page 19: ...mpressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF B098C190 QXF B133E090 Compressor Oil FW68DA or equivalent FW68DA Compressor Type Rotary Rotary L R A A 21 5 27 5 Compressor RLA A 3 2 4 4 Compressor Power Input W 686 955 Overload Protector HPA 422 HPA 325 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 Ambient tem...

Page 20: ...olume L h 2 2 2 2 EER W W 3 31 3 31 COP W W 3 31 3 26 SEER W W HSPF W W Application Area m2 23 34 27 42 Fan Motor Speed H M L rpm 1060 950 880 1160 1050 940 Output of Fan Motor W 190 170 Fan Motor RLA A 0 8 0 8 Fan Motor Capacitor μF 7 7 Climate Type T1 T1 Isolation I I Moisture Protection Outdoor IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4 3 4 3 Permissible Exc...

Page 21: ...de Compressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model QXF D184F090AA QXF E21H090 Compressor Oil FW68DA FW68DA Compressor Type Rotary Rotary L R A A 39 39 00 Compressor RLA A 6 7 6 70 Compressor Power Input W 1520 1520 Overload Protector HPA 340 HPA 340 Throttling Method Capillary Capillary Operation Temp ºC 16 30 16 30 Ambient temp Cool...

Page 22: ... Information 19 3 Outline Dimension Diagram No obstacles within 1m at least in front of air outlet Model W H D 07 09K 560 375 668 12K 660 428 700 18 21K 660 428 770 Unit mm More than 500mm More than 150mm More than 150mm W D H ...

Page 23: ...ILS HOT DISCHARGED AIR COMPRESSOR REFRIGERANT FLOW DIRECTION CAPILLARY CENTRIFUGAL OR CROSS FAN AXIAL FAN INDOOR COILS COOLED AIR OUTDOOR COILS HOT DISCHARGED AIR COOLED AIR COMPRESSOR AXIAL FAN CENTRIFUGAL CAPILLARY OR CROSS FAN REFRIGERANT FLOW DIRECTION NOTES COOLING MODE HEATING MODE HOT AIR INDOOR COILS COOLED AIR ...

Page 24: ... Red BU Blue Grounding wire YEGN Yellow Green BK Black 600007062274 8 8 5 5220 1 78 1 1 203 1 8 1 1 32 5 3 5 0 6 3 203 63 1 35 17 5 8 7 2 5 3 1 1 02725 6 1 1 1 0 1 5 1 8 1 02725 3 3 28778 203 0 3 63 2 5 5 9 5 1 1 3 32 5 1 5220 7 03 6 1625 0 02 8 6 1625 78 7 03 6 1625 28778 7 03 3 02 8 237 21 GJC18AE K6NRNR1A GJC18AE K6NRNR1B GJC18AE K6NRNB3A GJC18AE K6NRNG1A GJC21AE K6NRNR1A GJC21AE K6NRNR1B GJC21...

Page 25: ...3 203 3 63 1 3 35 17 5 8 7 2 5 02725 6 1 1 1 1 0 5 8 1 02725 3 5 28778 203 0 63 2 5 5 9 5 1 1 3 32 5 1 5220 7 03 6 1625 0 02 8 6 1625 78 7 03 6 1625 28778 7 03 3 02 8 1 1 237 21 600007062276 600007062654 8 8 5220 1 78 1 1 203 1 8 1 1 32 5 3 5 0 6 3 203 3 63 1 35 17 5 8 7 2 5 3 02725 6 1 1 5 28778 9 9 9 97 9 1 0 1 5 8 1 02725 3 97 203 0 63 2 5 5 9 5 1 1 3 32 5 1 5220 7 03 6 1625 0 02 8 6 1625 78 7 ...

Page 26: ...NRNG2A GJH09AK K6NRNG2A 600007063374 600007063373 57 57 6 1625 28778 7 03 78 7 03 28778 3 1 203 6 1625 3 32 5 1 1 8 1 63 63 7 6 1 1 6 1 02725 6 1 8 1 3 50 8 02725 1 1 5 8 0 1 203 5 0 6 203 5 57 6 1625 35 17 5 8 7 2 5 5220 7 03 5 9 5 1 63 2 5 3 0 3 02 8 Њ Њ 237 21 57 57 6 1625 28778 7 03 78 7 03 3 1 203 6 1625 3 32 5 1 1 8 1 63 63 28778 7 6 1 1 1 6 1 02725 6 1 8 1 3 50 8 02725 1 1 5 8 0 203 5 0 6 2...

Page 27: ...5 3 5 0 6 3 203 3 63 2 5 5 9 5 1 63 1 35 17 5 8 7 2 5 3 1 3 32 5 1 5220 7 03 6 1625 0 02725 6 1 1 5 02 8 6 1625 78 7 03 28778 6 1625 28778 7 03 3 02 8 1 1 237 21 9 9 9 97 1 0 9 1 5 8 0 1 02725 3 97 1 3 600007062871 GJH18AE K6NRNR1A GJH18AE K6NRNR1B GJH18AE K6NRNB3A GJH18AE K6NRNB9A GJH18AE K6NRNG1A GJH21AE K6NRNR1A GJH21AE K6NRNR1B GJH21AE K6NRNB3A GJH21AE K6NRNB9A GJH21AE K6NRNG1A ...

Page 28: ... Speed interface 17 Indoor ambient temp Sensor 3 7805 manostal 8 Resistance capacitance Module 13 Middle Fan Speed Interface 18 Indoor tube temp Sensor Transformer AC Output 9 Voltage Dependent Resistor 14 Low Fan Speed Interface 19 5 Compressor Relay 10 Copeer Insert of Neutral Wire 15 Four way valve Contector 20 1 2 3 4 5 6 7 8 9 10 11 12 13 7 1 6 1 5 1 4 1 18 19 4 Transformer AC Input 20 WIFI M...

Page 29: ...Ambient Indoor Tube Temp Sensor 7 Resistance capacitance Module 12 Compressor Relay 3 Outdoor Tube Temp Sensor 8 Fan Speed Interface 13 Resistance capacitance Module 4 Swing Interface Needle Stand 9 Voltage Dependent Resistor 14 Shingle Wire Interface Needle Stand 5 WIFI Moudle Interface Neddle Stand 10 Copeer Insert Of Neutral Wire 1 2 3 4 5 6 7 8 9 10 11 12 13 14 ...

Page 30: ...D lamp of med Fan speed 19 Filter cleaning button 2 button 8 LED lamp of cooling 14 Swing button 20 Filter cleaning LED lamp 3 LED lamp of timer 9 ON OFF button 15 LED lamp of high speed 21 button 4 Timer button 10 LED lamp of drying 16 Fan speed button 22 5 LED lamp of heating 11 Nixie tube 17 LED lamp of low fan speed 23 6 LED lamp of fan 12 Infrared receiver 18 Auto mode 24 5 2 2 Silk screen on...

Page 31: ...D HIGH and AUTO in sequence 1 hour decrements The time setting range is from 10 24 hours to decrease the selected time in 0 5 hour decrements The time setting range ġ is from 0 10 hours Press the keypad also to increase the selected time in Ģ 1 hour increments and Press the keypad to decrease the selected time in Press the ġkeypad to increase the set operating temperature of the unit and Press the...

Page 32: ... Mode button Swing button Fan button Sleep button Timer button Health button WiFi button Set fan speed Set time NOTICE do not Please refer to the actual models Send signal Sleep mode Child lock health function ventilation operation 8ć heating function Set temperature Operation mode Auto mode Cool mode Dry mode Fan mode TIMER ON TIMER OFF Heat mode Light function X fan mode Up down swing I feel fun...

Page 33: ...roller will change quickly Release the button after your required set temperature is reached Under timer setting status after each pressing of or button time will increase or decrease 0 5h Hold or button 2s later time displayed on dual 8 nixie tube will change quickly Loosen the button until the time is reached to your set time 3 button 4 Swing button Press this button to turn ON OFF swing 6 Sleep...

Page 34: ...n off WiFi function and WiFi icon will disappear Under off status press MODE and WiFi buttons simultaneously for 1s WiFi module will restore factory settings Temperature display switchover function Under OFF status press and Mode buttons simultaneously to switch temperature display between C and F 1 Press the back side of remote controller marked the cover of battery box along the arrow direction ...

Page 35: ... conditioners with multifunction For some function which the model doesn t have if press the corresponding button on the remote controller that the unit will keep the original running status After putting through the power the air conditioner will give out a sound Operation indicator is ON red indicator the colour is different for different models After that you can operate the air conditioner by ...

Page 36: ... again to close I FEEL function and will disappear When I FEEL function is turned on the remote controller should be put within the area where indoor unit can receive the signal sent by the remote controller 9 Light button Press this button to If H1 is displayed on the remote controller while it s not operated by the professional person after sales person it belongs to the misoperation Please oper...

Page 37: ...witch between Fahrenheit and centigrade Combination of and buttons About lock At unit OFF press MODE and buttons simultaneously to switch between ć and Press and buttons simultaneously 3s to lock or unlock the keypad If the remote controller is locked is displayed In this case pressing any button blinks three times WIFI Function This function is only available for some models Press the I Feel and ...

Page 38: ...ll 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 For more information please refer to Help in App Internet Cellular Other Wi FI Home Wi Fi Home wireless router Home Wi Fi Gree Gree Cloud GREE APP intelligent home appliances iOS system Support iOS7 0 and above version Android system Support Androi...

Page 39: ...nload and install it When Ewpe Smart App is installed register the account and add the device to achieve long distance control and LAN control of smart home appliances For more information please refer to Help in App iOS system Support iOS7 0 and above version Android system Support Android 4 4 and above version App Download Linkage Internet Cellular Other Wi FI Home Wi Fi Home wireless router Hom...

Page 40: ...an will operate at low speed Under this mode the setting temperature range is 16 30 61 86 1 3 Heating mode 1 4 1 When Tindoor amb Tpreset 1 the unit will operate at heating mode Meanwhile 4 way valve and compressor will operate Fan will operate at cold air prevention condition 1 4 2 When Tindoor amb Tpreset 3 6 compressor will stop operation while 4 way valve will be energized Fan will operate at ...

Page 41: ...leep and Mode buttons can cancel the Sleep function de change will cancel the Sleep function 2 4 Auto fan speed a Auto fan speed under heating mode or auto fan mode Tamb Tpreset 2 4 High speed Tpreset 2 4 Tamb Tpreset Medium speed Tamb Tpreset Low speed b Auto fan speed under cooling mode Tamb Tpreset 2 4 High speed Tpreset Tamb Tpreset 2 4 Medium speed Tamb Tpreset Low speed c If under dry mode t...

Page 42: ...he sequence of AUTO FAN FANL FANM FANH ATUO FAN d UP DOWN buttons are used for increasing and decreasing temperature and timer e Mode button is used for mode switching For heat pump unit Mode will be circulated according to sequence of AUTO COOL DRY FAN HEAT The HEAT mode signal will be ineffective for cooling only unit and mode will be circulated according to the sequence of AUTO COOL DRY FAN f S...

Page 43: ...rical Safety Precautions 1 Avoid contact between refrigerant and fire as it generates poisonous gas Prohibit prolong the connection pipe by welding 2 Apply specified refrigerant only Never have it mixed with any other refrigerant Never have air remain in the refrigerant line as it may lead to rupture or other hazards 3 Make sure no refrigerant gas is leaking out when installation is completed 4 If...

Page 44: ...efrigerant Safety Operation of Flammable Refrigerant Qualification requirement for installation and maintenance man 1 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 repai...

Page 45: ...finished or haven t finished 4 Don t overfilling 5 After filling is finished please do the leakage detection before test running another time of leak detection should be done when it s removed Safety instructions for transportation and storage 1 Please use the flammable gas detector to check before unload and open the container 2 No fire source and smoking 3 According to the local rules and laws M...

Page 46: ...nding the unit and the plug is accessible Prepare the installation hole slightly bigger than unit size Choose the installation space according to outline dimension diagram Please refer to the chapter 3 8 Installation 8 1 Installation Precaution 8 2 Location 8 3 How to Install 8 4 Installation Procedure 8 5 Installation Assistance 1 Remove the sticker from the front panel 2 Put the unit into the in...

Page 47: ...tioner to the other place you shouldcontact the seller firstly Then it must be done under the direction of the professionaltechnician In addition the charge of this must be paid 2 Noise Install in a location where is firm enough to avoid the enlargement of noise and vibration Don t put anything in front of the outlet of outdoor unit to avoid increasing noise Be sure that hot air or noise will not ...

Page 48: ... 1 The wiring terminal between outdoor tube temperature sensor and controller is loosened or poorly contacted 2 There s short circuit due to trip over of the parts on controller 3 indoor tube temperature sensor is damaged Please check it by referring to the resistance table for temperature sensor 4 Main board is broken Refer to maintenance flowchart 4 Insufficient fluorine protection F0 Indoor fan...

Page 49: ...he connection between indoor unit and detection board is not good Refer to maintenance flowchart 8 Defrosting Heating indicator off for 0 5s and then blinks for 10s Not the error code It s the status code for the operation Refer to maintenance flowchart 1 When multiple malfunction occurs error codes will be displayed in turns when it detected that AD value of temperature sensor is 250 or 5 for con...

Page 50: ...e temperature sensor tightly yes Is malfunction eliminated Is there short circuit due to trip over of the parts Make the parts upright yes Is malfunction eliminated Replace the mainboard with the same model End no no Is the temperature sensor normal according to the Resistance Table no Replace it with a temperature sensor with the same model no yes yes Is malfunction removed no yes yes no 1 Malfun...

Page 51: ...the air inlet outlet is blocked End Remove blockage in the system System is blocked inside dirt block ice block oil block Y valve no fully open Compressor doesn t work normally Strange noise or leakage occurs Make compressor run normally Casing is too hot Replace a main board with the same model Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated...

Page 52: ...ck motor and re install the moto to make it run normally Fan motor doesn t work at a End Remove blockage in the system System is blocked inside dirt block ice block oil block Y valve no fully open Compressor doesn t work normally Strange noise or leakage occurs Make compressor run normally Casing is too hot Replace a main board with the same model Malfunction is eliminated Malfunction is eliminate...

Page 53: ...is too hot Replace a main board with the same model Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Troubleshooting for E8 malfunction Yes No No No No No No No No No No Yes Malfunction is eliminated Yes No No Yes Yes Yes Yes Yes Yes Yes Yes Yes Temperature sensor of main board can t detect correctly Replace the tempe...

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