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Fujitsu AO*G09KXCA Series, Service Instruction

The Fujitsu AO*G09KXCA Series brings top-quality cooling and heating solutions to your space. Ensure optimal performance and longevity with our comprehensive Service Instruction manual. Download it absolutely free from our website manualshive.com, providing you with valuable maintenance guidelines and user-friendly instructions to enhance your experience.

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CONTENTS

1. DESCRIPTION OF EACH CONTROL OPERATION

1. COOLING OPERATION................................................................................................

3. DRY OPERATION.........................................................................................................

2. HEATING OPERATION.................................................................................................

5. INDOOR FAN CONTROL..............................................................................................

4. AUTO CHANGEOVER OPERATION............................................................................

7. LOUVER CONTROL.....................................................................................................

6. OUTDOOR FAN CONTROL..........................................................................................

10. TIMER OPERATION CONTROL.................................................................................

9. COMPRESSOR CONTROL..........................................................................................

12. TEST OPERATION CONTROL...................................................................................

11. ELECTRONIC EXPANSION VALVE CONTROL........................................................

14. FOUR-WAY VALVE EXTENSION SELECT................................................................

13. PREVENT TO RESTART  (ST)...................................................................................

16. FORCED AUTO OPERATION....................................................................................

15. AUTO RESTART.........................................................................................................

17. FORCED COOLING OPERATION.............................................................................

19. 10°C HEAT OPERATION............................................................................................

18. COMPRESSOR PREHEATING..................................................................................

20. ECONOMY OPERATION............................................................................................

22. OFF DEFROST OPERATION CONTROL...................................................................

21. DEFROST OPERATION CONTROL...........................................................................

01-01
01-02
01-02
01-03
01-05
01-07
01-08

01-10
01-11
01-13
01-13

01-14
01-14
01-14
01-14
01-15
01-15
01-15
01-16
01-18

01-13

2. TROUBLE SHOOTING

2-1 INDOOR UNIT ERROR DISPLAY...............................................................................
2-2 WIRELESS LAN ADAPTER ERROR DISPLAY..........................................................
2-3 MOBILE APP ERROR DISPLAY.................................................................................

02-01
02-02
02-03

2-4 MOBILE APP ERROR DISPLAY (In Wireless LAN Control system)........................... 02-04

23. VARIOUS PROTECTIONS.......................................................................................... 01-19
24. LOW NOISE OPERATION........................................................................................... 01-21

26. POWERFUL OPERATION...........................................................................................

25. HUMAN SENSOR (Energy Saving).............................................................................

01-22

27. FILTER CLEAN............................................................................................................ 01-22

01-21

8. DUAL FAN CONTROL.................................................................................................. 01-09

28. PLASMA CLEAN ......................................................................................................... 01-22
29. WIRELESS LAN  ......................................................................................................... 01-23

2-5 TROUBLE SHOOTING WITH ERROR CODE............................................................. 02-05
2-6 TROUBLE SHOOTING WITH NO ERROR CODE.......................................................02-38
2-7 SERVICE PARTS INFORMATION.............................................................................. 02-43

Summary of Contents for AO*G09KXCA Series

Page 1: ...SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTEDtype Models Indoor unit Outdoor unit AS G09KXCA AS G12KXCA AO G09KXCA AO G12KXCA INVERTER SERVICE INSTRUCTION ...

Page 2: ...OST OPERATION CONTROL 21 DEFROST OPERATION CONTROL 01 01 01 02 01 02 01 03 01 05 01 07 01 08 01 10 01 11 01 13 01 13 01 14 01 14 01 14 01 14 01 15 01 15 01 15 01 16 01 18 01 13 2 TROUBLE SHOOTING 2 1 INDOOR UNIT ERROR DISPLAY 2 2 WIRELESS LAN ADAPTER ERROR DISPLAY 2 3 MOBILE APP ERROR DISPLAY 02 01 02 02 02 03 2 4 MOBILE APP ERROR DISPLAY In Wireless LAN Control system 02 04 23 VARIOUS PROTECTIONS...

Page 3: ...APPENDING DATA 3 1 FUNCTION SETTING 03 01 3 2 CUSTOM CODE SETTING FOR WIRELESS REMOTE CONTROLLER 03 05 3 3 SWITCHING THE TEMPERATURE UNIT OF REMOTECONTROLLER 03 06 4 WIRING DIAGRAMS 03 07 3 FUNCTION SETTING 03 01 ...

Page 4: ...1 DESCRIPTION OF EACH CONTROL OPERATION WALL MOUNTED type INVERTER ...

Page 5: ...r temperature drops temperature rises 36 C A zone 34 C 32 C B zone 30 C 21 C C zone 19 C D zone Hi Me Lo Quiet Table 1 Compressor Frequency Range 01 01 E zone F zone 10 C 0 C 12 C 2 C When the room temperature is between 6 0 C to 1 0 C of the setting temperature the compressor frequency is controlled within the range shown in Table1 However the maximum frequency is limited in the range shown in Fi...

Page 6: ...perature is between 1 0 C to 6 0 C of the setting temperature the compressor frequency is controlled within the range shown in Table2 Table 2 Compressor Frequency Range 01 02 minimum frequency maximum frequency 15rps 128rps 3 DRY OPERATION 3 1 INDOOR UNIT CONTROL The compressor rotation frequency shall change according to the temperature set temperature and room temperature variation which the roo...

Page 7: ... C Ts 2 C TR Ts 2 C Middle zone TR Ts 2 C Heating When the compressor was stopped for 6 consecutive minutes by the temperature control function after the Cooling or Heating mode was selected at above operation is switched to Monitoring and the operation mode is selected again When the middle zone is selected on the predetermining of the operation mode the operation mode before the changing to the ...

Page 8: ...r System stops or operation command other than auto changeover operation NO Thermostat remains in OFF state for 6 minutes or longer System stops or operation command other than auto changeover operation Middle zone NO NO Operation mode of outdoor unit Cooling YES NO Operation mode of outdoor unit Heating YES NO YES Outdoor temperature 25 C NO YES YES YES NO YES YES Operation mode before the monito...

Page 9: ...as shown in Table5 Fig 6 Airflow change over Cooling Auto TR Room temperature Ts Setting temperature TR Ts 1 5 C 0 5 C 2 5 C 1 5 C Main Fan Hi Dual Fan Lo 4 DRY OPERATION Refer to the Table5 During the dry mode operation the fan speed setting can not be changed 1490 1360 1300 1130 1130 980 830 610 1390 1310 1160 1100 960 1390 X zone 960 J zone 720 Main Fan Air flow mode Speed rpm Hi Me Lo Quiet 12...

Page 10: ...Fig 7 Airflow change over Heating Auto 42 C 30 C 34 C Indoor heat exchanger temperature Indoor heat exchanger temperature Hi or setting Fan mode Me or setting Fan mode Lo or setting Fan mode Cool air prevention 39 C 37 C 37 C 32 C 28 C S Lo Fig 9 Indoor Fan Control Compressor ON OFF Indoor fan Setting air flow Indoor fan as shown in Table 6 S Lo OFF 10 30 60 180 60 180 60 10 30 SEC Table6 Indoor F...

Page 11: ... on the heating mode the fan speed keeps at the higher speed as table 7 without relating to the compressor frequency Table 7 Outdoor fan speed after the defrost 1 Fan Speed 1070rpm 01 07 Fig 10 Outside air temperature zone selection 12 C 0 C Outside air temperature Outside air temperature F zone e n o z 2 D G zone 2 C 10 C 21 C e n o z 1 D 19 C Cooling Heating D 2 D 1 F Zone 1070 930 760 660 610 5...

Page 12: ...irflow direction Function Range 3 SWING OPERATION 2 HORIZONTAL LOUVER CONTROL Function Range Each time the Vertical SET button is pressed the air direction will change as follow At the beginning of AUTO mode the position you cannot change the airflow direction Set the automatic swing operation Each time the SWING Button is pressd the operation will change The Left Right swing operation will follow...

Page 13: ...temperatrure is under the monitoring in AUTO mode Fig 11 3 Setting The position of dual fan in COOL DRY or FAN mode can change so that the airflows further For the case that the opposite wall is far from the indoor unit and the air agitation is required 1 Turn off the indoor unit by pressing the Start Stop button 2 Press the DUAL FAN COMFORT button for at least 5 seconds until the current DUAL FAN...

Page 14: ...N FREQUENCY CONTROL AT START UP The compressor frequency soon after the start up is controlled as shown in Fig 12 Fig 12 Compressor Control at Start up Time Time Time Frequency Frequency Frequency Time Time Time 80sec 110sec 140sec Time 29rps 53rps 65rps Frequency Frequency Frequency Frequency Min Max 15rps 128rps Dry Min Max 15rps 22rps Heating Frequency Frequency Frequency Time Time Time 72rps 9...

Page 15: ...mode Stop mode Set time of timer The program timer allows the OFF timer and ON timer to be used in combination one time Operation mode Operation will start from the timer setting either OFF timer or ON timer whichever is closest to the clock s current timer setting The order of operations is indicated by the arrow in the remote control unit s display SLEEP timer operation cannot be combined with O...

Page 16: ...ion In the cooling operation mode When the sleep timer is set the setting temperature is increased 1 C It increases the setting temperature another 1 C after 1 hour After that the setting temperature is not changed and the operation is stopped at the time of timer setting Ts 1 C 2 C Set 60min In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 C It decr...

Page 17: ...even if any operation is given 13 PREVENT TO RESTART ST 01 13 Table10 The pulse range of the electronic expansion valve control Cooling Dry mode Heating mode Operation mode Pulse range between 32 to 480 pulses between 32 to 480 pulses Operation method Before starting the test run wait for 1 minute after connecting the power supply By the wireless remote controller To start the test run press the S...

Page 18: ...vered operation is automatically started with the memorized operation contents When the power is interrupted and recovered during timer operation since the timer operation time is shifted by the time the power was interrupted an alarm is given by blinking slowly 6 sec ON 2 sec OFF the indoor unit body timer indicator Operation contents memorized when the power is interrupted Operation mode Set tem...

Page 19: ...ation functions by pressing 10 C HEAT button on the remote controller The 10 C HEAT operation is almost the same operation as below settings Mode Heating Setting temperature 10 C Fan mode Lo AUTO Table13 20 ECONOMY OPERATION The ECONOMY operation functions by pressing ECONOMY button on the remote controller The ECONOMY operation is almost the same operation as below settings Mode Cooling Dry Heati...

Page 20: ... Condition of starting Defrost Operation Defrosting Normal starting operation Compressor integrating operation time Compressor integrating operation time Less than 40min More than 40min Does not operate Integrating defrost Constant monitoring More than 240min For long continuous operation Less than 10min 1 For intermittent operation 3 C More than 215min For long continuous operation 5 C OFF count ...

Page 21: ...heat exchanger temperature Over 16 C or Compressor ON time Maximum 15min Defrost end Integrating defrost Constant monitoring Defrost Indicator Operation indicator 6sec ON 2sec OFF Defrost start Compressor OFF count 40 times Less than 10min Normal defrost Compressor integrating operation Over 240min Outdoor heat exchanger temperature Below 3 C Compressor integrating operation Over 215min Outdoor he...

Page 22: ...ressor continuous operation more than 10 minutes and compressor operation integrating time lasts for more than 30 minutes OFF Defrost Flow Chart Heating operation stop Outdoor heat exchanger temperature Below 4 C Compressor continuous operation Over 10 minutes Compressor integrating operation Over 30 minutes Defrost start Defrost Indicater Operation indicator 6 sec ON 2 sec OFF Outdoor heat exchan...

Page 23: ...ot exceeds the current limit velue that was set up with the outdoor temperature The compressor frequency returns to the designated frequency of the indoor unit at the time when the frequency becomes lower than the release value Table 18 Current Release Operation Value Release Value 01 19 Heating Cooling TO Control Release 4 5A 4 0A 6 0A 5 5A 7 0A 6 5A 46 C 40 C TO Control Release 8 5A 8 0A 10 5A 1...

Page 24: ...stopped It is released when the pressure switch becomes ON Close lower than 3 2 MPa after 140sec of compressor stop Stable zone 7 4 way valve protection The 4 way valve protection operates with the following conditions 1 When the compresspr operates for more than 20 minutes 2 Tn Indoor unit HEX temp Tb Room temp 10 deg in COOL and DRY 3 Tn Indoor unit HEX temp Tb Room temp 10 deg in HEAT When the ...

Page 25: ...n someone comes back into the room the human sensor will detect this and automatically revert to the original settings Operation mode About the HUMAN SENSOR Cool Dry Heat Auto Operation details if there is no one in the room for a while The set temperature will be increased by a maximum of approximately 2 C Application range is follows Vertical angle 90 Side view ENERGY SAVING function may not wor...

Page 26: ...n the dust box After approximately 10 000 hours of air conditioner operation have elapsed After cleaning the dust box press Indoor unit button less than 3 sec By pressing the indoor unit button the accumulated operation time is reset When the indicator brinks as follows check filter installing refer to the operation manual 28 PLASMA CLEAN The plasma clean function operates with the following condi...

Page 27: ...ndicator and it indicates the status In case of trouble refer to the troubleshooting or setting manual 2 Wireless LAN router Loacl purchase use the user s product PIN code or WPS serting is required for linking with the wireless LAN adaptor The internet connection is required 3 Internet The operation and the status indication are performed via the Internet 4 Moble device and Mobile app Mobile app ...

Page 28: ...2 TROUBLESHOOTING WALL MOUNTED type INVERTER ...

Page 29: ... 01 OPERATION TIMER ECONOMY Indoor unit Model Information Error Plasma air clean unit Vdd Error Filter set abnormal Combination Error Outdoor unit Model Information Error Trip terminal L Error High pressure SW Error 1 time 1 time 2 time 3 times 3 times 3 times 4 times 4 times 5 times 5 times 5 times 5 times 5 times 6 times 6 times 7 times 7 times 7 times 8 times 8 times 9 times 9 times 9 times 9 t...

Page 30: ...f between Indoor unit to wireless LAN adapter ON LED 1 Green LED 2 Orange WIRELESS LAN ADAPTER INDICATOR Please refer the flashing pattern as follows LED 1 green and LED 2 orange operate as follow according to the error contents Flashing Fast ON 29 Wireless LAN adapter Non Energized OFF OFF 30 02 02 2 2 WIRELESS LAN ADAPTER ERROR DISPLAY The status LED1 Green ON The communication between the Indoo...

Page 31: ...p thermistor error Outdoor unit heat ex temp thermistor error Outside air temp thermistor error Indoor unit fan motor 1 error Outdoor unit compressor motor control error Outdoor unit Fan Motor 1 error Indoor unit fan motor 2 error Indoor unit fan motor 3 error Outdoor unit trip detection Outdoor unit current sensor error Indoor unit manual auto switch error Outdoor unit 4 way valve error Outdoor u...

Page 32: ...en retry the registration Could not connect to the device at this time Please reset the device and try again The air conditioner is not connected to Wi Fi Check if the router connected to the air conditioner has internet access You can check by connecting the mobile device to the router then opening the website If there is no access connect the router to the internet Mobile device is not connected...

Page 33: ...y the registration The air conditioner is already registered If there is a mobile device that has already been registered to the air conditioner unregister by using the registered mobile device Retry the registration with the mobile device you wish to register If you do not own the mobile device registered to the air conditioner lost property of previous owner etc please ask your maker service to ...

Page 34: ...nditioner is not connected to Wi Fi Check if the router connected to the air conditioner has internet access You can check by connecting the mobile device to the router then opening the website If there is no access connect the router to the internet Mobile device is not connected to the same network as the air conditioner Connect the mobile device to the same network as the air conditioner then t...

Page 35: ...bove is conducted please contact your dealer or authorized service personnel When asking for advice please notify the MAC address of the WLAN adapter as written on the Wireless LAN label If there is a mobile device that has already been registered to the air conditioner unregister by using the registered mobile device Retry the registration with the mobile device you wish to register If you do not...

Page 36: ...the internet The air conditioner is not connected to the router Check the LED indicators on the WLAN adapter If the Green or Orange LED lamp is TROUBLESHOOTING State of the Wireless LAN indicators General Errors For Android No connectivity to Wi Fi or the cloud Please check your network connection The mobile device has no internet access Connect the mobile device to the internet An error occurred ...

Page 37: ...eck the LED indicators on the WLAN adapter If the Green or Orange LED lamp is TROUBLESHOOTING State of the Wireless LAN indicators Sign in Errors For Android iOS Could not reach service The mobile device has no internet access Connect the mobile device to the internet General Errors For iOS Failed to change password The mobile device has no internet access Connect the mobile device to the internet...

Page 38: ...condition in control unit If there is loose connector open cable or mis wiring Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC207V AC230V 10 253V AC230V 10 appears at outdoor unit terminal L N When the indoor unit cannot receive the serial signal from Outdoor unit more than 2minutes after power ON or the indoor unit cannot receive the serial signal mor...

Page 39: ...unit If there is loose connector open cable or mis wiring Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC207V AC230V 10 253V AC230V 10 appears at outdoor unit terminal L N Check Point 4 Check serial signal Forward transfer signal Check serial signal Forward transfer signal Check if indicated value swings between AC30V and AC130V at outdoor unit termina...

Page 40: ... Cause OK Combination error Indoor unit 1 The selection of indoor units is incorrect Check Point 1 Check the type of indoor unit Check the type of the connected indoor unit If abnormal condition is found correct it Check Point 2 Replace Main PCB If Check Point 1 do not improve the symptom replace Main PCB of Outdoor unit Indicate or Display Indoor Unit Operation indicator 2 time Flash Timer indica...

Page 41: ...t 3 Check the voltage of power supply Check the voltage of power supply Check if AC207 AC230V 10 253V AC230V 10 appears at outdoor unit terminal L N When power frequency is not detected by 15 seconds after power on Test 4 Replace Controller PCB and Power PCB If Test 1 3 do not improve the symptom replace Controller PCB and Power PCB Test 1 2 Check external cause such as noise Check if the ground c...

Page 42: ... or any electronic equipment which causes harmonic wave Note EEPROM EEPROM Electronically Erasable and Programmable Read Only Memory is a non volatile memory which keeps memorized information even if power is turned off It can change the contents electronically To change the contents it uses higher voltage than normal and it can not change a partial contents Rewriting shall be done upon erasing th...

Page 43: ...ilure Check Point 1 Check the Manual Auto Switch Check if Manual Auto Switch is kept pressed Check ON OFF switching operation by using a meter If Manual Auto Switch is disabled on off switching replace it Check Point 2 Replace Controller PCB and Indicator PCB If Check Point 1 do not improve the symptom replace Controller PCB and Indicator PCB and execute the check operation again 02 10 Indicate or...

Page 44: ...r cable is open Reset Power when reinstalling due to removed connector or incorrect wiring 6 5 8 0 10 0 12 5 15 8 20 2 25 9 33 6 4 4 5 3 Resistance value k OK OK Check Point 3 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the check operation again...

Page 45: ...2 Remove connector and check Thermistor resistance value OK Check Point 3 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the check operation again DC 02 12 Trouble shooting 8 INDOOR UNIT Error Method Indoor Heat Ex Thermistor Error 31 7 39 6 49 7 6...

Page 46: ... If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Test 4 Replace Controller PCB If Test 1 2 do not improve the symptom replace Controller PCB Trouble shooting 9 INDOOR UNIT Error Method OK Test 3 Check Indoor unit Fan motor Indicate or Display Detective Actuators Detective details Indoor Fan Motor Lock Error Indoor Fan Motor Rev Error 02 13 ...

Page 47: ...r unit controller PCB OK Plasma air clean unit is defect Indoor unit controller PCB defect 1 Plasma air clean unit is defect 2 Indoor unit controller PCB defect Trouble shooting 10 INDOOR UNIT Error Method Indicate or Display Detective Actuators Detective details Plasma air clean unit Vdd Error 02 14 The air clean operation signal was detected for 1 minute at the time of air clean mode OFF Indoor ...

Page 48: ...is closed completely OK Limit SW Filter 1 Filter set position 2 Limit SW Trouble shooting 11 INDOOR UNIT Error Method Indicate or Display Detective Actuators Detective details Filter set abnormal 02 15 When the filter set postion was wrong Indoor Unit Operation indicator 5 time Flash Timer indicator 5 time Flash Error code E 55 Economy indicator Continuous Flash ...

Page 49: ...ctor is erroneous connection Check if thermistor cable is open Upon correcting the removed connector or miss wiring reset the power Test 2 Remove connector and Check Controller PCB side connector voltage value OK Make sure circuit diagramof indoor unit and check connector voltage at Controller PCB If the mesurement value does not match the above table replace the Controller PCB Remove the CN28 of ...

Page 50: ...circuit diagramof indoor unit and check connector voltage at Controller PCB When the condition that actual rev of Indoor Fan is 1 3 or less When it detecteds 10 seconds continuously at the target rotation 200rpm or more Or the condition of fan speed is 0rpm is continued more than 56 seconds If the mesurement value does not match the above table replace the Controller PCB Remove the CN25 of Control...

Page 51: ...r Supply and operate Does Error indication show again Check Point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground is connection correctly or there are no related cables near the power line Change Main PCB Access to EEPROM failed due to some cause after outdoor unit started 02 18 Indicate or Display Indoor Unit Ope...

Page 52: ...B failure Change Main PCB Trouble shooting 15 OUTDOOR UNIT Error Method Trip terminal L error Indicate or Display When the signal from FO terminal of IPM in Main PCB is L 0V while the compressor stops Indoor Unit Operation indicator 6 time Flash Timer indicator 5 time Flash Error code E 65 Economy indicator Continuous Flash ...

Page 53: ...e Check Point 1 Check connection of connector Check if connector is removed Check if connector is erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Check Point 2 Remove connector and check thermistor resistance value Thermistor characteristics Approx value If Thermistor is either open or shorted replace it and reset the power...

Page 54: ...or or mis wiring reset the power Check Point 2 Remove connector and check thermistor resistance value Thermistor characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Check Point 3 Check voltage of Main PCB DC5 0V Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor DC5 0V If the voltage does not appear replace Main PCB 02...

Page 55: ...heck connection of connector Check if connector is removed Check if connector is erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Check Point 2 Remove connector and check thermistor resistance value Thermistor characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Check Point 3 Ch...

Page 56: ...Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check Point 1 1 Reset Power Supply and op...

Page 57: ...power is turned on Connector and wiring connection state check Cable open check Check Point 2 Check the high pressure switch characteristics Switch characteristics check For the characteristics of high pressure switch refer to below OK Check Point 3 Replace Main PCB Change Main PCB and execute the check operation again Type of contact Characteristics of pressure switch C H Pressure Pressure switch...

Page 58: ...r failure lock winding short Protection stop by overcurrent generation after inverter compressor start processing completed generated consecutively 10 times The number of generations is reset if the start up of the compressor succeeds No obstructions in air passages Heat exchange fins clogged Outdoor unit fan motor check Ambient temperature not raised by the effect of other heat sources Discharged...

Page 59: ...mpressor Terminal Main PCB While running the compressor if the detected rotor location is out of phase with actual rotor location more than 90 the compressor stops After the compressor restarts if the same operation is repeated within 40sec the compressor stops again If and repeats 5 times the compressor stops permanently Check Point 1 Check Noise from Compressor Turn on Power and check operation ...

Page 60: ...k outdoor unit circuit diagram and the voltage Measure at Main PCB side connector If the voltage is not correct replace Main PCB When outdoor fan rotation speed is less than 100rpm in 20 seconds after fan motor starts fan motor stops After fan motor restarts if the same operation within 60sec is repeated 3 times in a row compressor and fan motor stops If and repeats 5 times in a row compressor and...

Page 61: ...oil Resistance value is 2 085 at 20 C If it is Open or abnormal resistance value replace Solenoid Coil Cooling or Dry operation Indoor heat exchanger temp Room temp 10 C Heating operation Indoor heat exchanger temp room temp 10 C If the same operation is repeated 5 times the compressor stops permanently Solenoid coil Check each piping temperature and the location of the valve by the temperature di...

Page 62: ...heck the refrigerant amount Leak check EEV open Strainer clogging check Refer to PARTS INFORMATION 3 Check Point 2 Check the EEV strainer If the 3 way valve gas side was closed open the 3 way valve gas side and check operation 02 29 Check Point 1 Check if 3 way valve liquid side is open If the 3 way valve liquid side was closed open the 3 way valve liquid side and check operation OK 1 3 way valve ...

Page 63: ...ose or removed connection of between the Wireless LAN adapter PCB and Controller PCB If there is abnormal condition correct it Check the connection condition on the Controller PCB If there is loose connector open cable or miswiring correct it Check Point 2 Replace wireless LAN adapter If Check Point 1 do not improve the symptom replace Wireless LAN adapter and Please cancel the air conditioner of ...

Page 64: ...es ON for consecutive 60 or more seconds Check Point 1 Check the setting button Check if Setting button is kept pressed If the Settings button is held down by the foreign matter Please remove the foreign matter or remove the cause of the button press Check Point 2 Replace wireless LAN adapter If Check Point 1 do not improve the symptom replace Wireless LAN adapter and Please cancel the air conditi...

Page 65: ...in of the Air conditioner please wait 60 seconds OK OK NG Check the connection status to the Internet and Wireless LAN router If the Wireless LAN Router is not connected to the Internet Please check the transmission between Wi Fi products of other than Air conditioner and Wireless LAN router Check Point 4 Replace Wireless LAN adapter If Check Point 3 do not improve the symptom replace Wireless LAN...

Page 66: ...wer again of Air conditioner If Check Point 1 2 do not improve the symptom turn on power again of the Air conditioner please wait 60 seconds YES Wireless LAN adapter LED 1 Green Flashing Fast LED 2 Orange ON Did the display pattern will change NO When the flashing pattern of the LED 2 Orange is ON Refer to Check Point 3 2 When the flashing pattern of the LED 2 Orange is Flashing Fast Refer to Chec...

Page 67: ... it Check Point 4 Replace Wireless LAN adapter If Check Point 2 3 do not improve the symptom replace Wireless LAN adapter and Please cancel the air conditioner of the registration on the Mobile App After the replace adapter Please perform the pairing on the app Air conditioning de registration method refer to page 02 36 Pairing method refer to page 02 37 Check Point 5 Replace Controller PCB If Che...

Page 68: ...ion condition on the Controller PCB If there is loose connector open cable or miswiring correct it Check Point 3 Check the Wireless LAN adapter PCB and Controller PCB Check Voltage at CN12 terminal 1 2 of Controller PCB If it is DC 0V Controller PCB is failure Replace Controller PCB If it is DC12V Wireless LAN adapter PCB failure Replace Wireless LAN adapter and please cancel the air conditioner o...

Page 69: ...er lamp No indication ERROR CODE No indication Wireless LAN adapter LED 1 Green OFF LED 2 Orange OFF Sleep mode When the state in which fly a wireless SSID have passed 1 hour Check Point 1 Check the sleep mode Press the Wireless LAN adapter setting button the 3 seconds or more Wireless LAN adapter LED 1 Green ON LED 2 Orange Flashing Fast Did the display pattern will change YES To Trouble shooting...

Page 70: ...the conditioner information on the App Unregister method is as follows Launch the mobile app FGL air Please long push the registered Device name of Air Conditioner Then will display the Unregister button Please tap the Unregister button Please tap the Yes Air Conditioner Unregister is complete 1 2 3 4 5 FGL air 02 36 ...

Page 71: ...d 2 are off the WLAN adapter may be in Sleep mode Be sure it is deactivated before setting up the wireless LAN Refer to SETTING MANUAL Check that the smartphone or tablet PC is linked to the wireless router you are connecting the air conditioner The setting will not work if it is not connected to the same wireless router The display screen design may differ depending on the version of the mobile a...

Page 72: ...ive contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding 02 38 2 6 TROUBLE SHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components YES YES NO Check the voltage of power supply Check if AC216 264V appears ...

Page 73: ...Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check ...

Page 74: ...e Control suitable model numbers to connect If there is some abnormal condition correct it by referring to Installation manual and Data Technical Manual Turn off Power and check correct followings Is there loose or removed communication line of Indoor Unit and Outdoor Unit Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a...

Page 75: ...ts that obstruct the air flow route Check clogged Heat Exchanger Is the Valve open Is capacity of Indoor unit fitted to Room size Any windows open Or direct sunlight Check connection pipe specified pipe length Pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check if Strainer is clo...

Page 76: ...on grille and front panel normal Is Fan broken or deformed Is the screw of Fan loose Is there any object which obstruct the Fan rotation Is Main Unit installed in stable condition Is Fan Guard installed normally Check if vibration noise by loose bolt or contact noise of piping is happening Is Compressor locked Check Compressor PARTS INFORMATION 1 2 Water Leaking 1 Erroneous installation 2 Drain ho...

Page 77: ...mpressor due to clogged dirt or less oil Replace Compressor Replace Compressor Replace Compressor Stops soon after starting up Is there open or loose connection cable Is Gas Pipe Valve open Low Pressure is too low Check if Refrigerant is leaking Recharge Refrigerant Check if Strainer is clogged PARTS INFORMATION 3 If there is no failure the defect of Compressor can be considered Compression part b...

Page 78: ...n of Compressor Loose or incorrect wiring Check winding resistance of each terminal If the resistance value is 0 or infinite replace Compressor If Check Point 1 2 do not improve the symptom replace Main PCB S RED R WHITE C BLACK Main PCB Check connection of compressor terminals Loose or incorrect wiring W402 W401 W400 RED WHITE BLACK Compressor Main PCB Resistance Value 1 740 at 20 C 02 44 ...

Page 79: ...onnector Loose connector or open cable Remove connector check each winding resistance of Coil If Resistance value is abnormal replace EEV Remove Connector and check Voltage DC12V If it does not appear replace Main PCB Turn on Power and check operation noise If an abnormal noise does not show replace Main PCB When Valve is closed it has a temp difference between Inlet and Outlet If it is open it ha...

Page 80: ...m No function No function Earth terminal GND Control voltage Vcc Speed command Vsp Feed back FG Pin number wire color Terminal function symbol 1 2 3 4 5 6 7 B D Red Black White Yellow Blue C voltage Vm No function No function Earth terminal GND Control voltage Vcc Speed command Vsp Feed back FG SERVICE PARTS INFORMATION 4 Check Point 1 Check rotation of Fan Indoor unit fan motor Rotate the fan by ...

Page 81: ...terminals Judge the result of as follows Judge the result of as follows TM301 P W400 S W401 R W402 C TM302 N P P P W400 W401 W402 N N N W400 W401 W402 W400 W401 W402 P P P W400 W401 W402 N N N Over 2k Including Over 2k Including Over 20k Including Terminal Tester display Tester Tester P P P N N N P P P N N N 0 3V 0 7V 02 47 W400 S W401 R W402 C W400 W401 W402 W400 W401 W402 W400 W401 W402 W400 W40...

Page 82: ...3 APPENDING DATA WALL MOUNTED type INVERTER ...

Page 83: ...ect the power supply of the indoor unit NOTE Settings will not be changed if invalid numbers or setting values are selected CAUTION After disconnecting the power supply wait 30 seconds or more before reconnecting it The func tion setting will not become active unless the power supply is disconnected and then reconnect ed Entering function setting mode While pressing the POWERFUL button and TEMP bu...

Page 84: ...clean operation interval 2 24 Left right swing operation range 3 30 31 Room temperature control for indoor unit sensor 4 40 Auto restart 5 44 Remote controller custom code 6 49 Indoor unit fan control for energy saving for cooling 7 92 Dual fan airflow in COOL DRY and FAN modes 8 93 Dual fan vertical airflow angle in COOL DRY and FAN modes 9 97 Maintenance indicator switchover Function number Sett...

Page 85: ... Be sure to operate the unit by remote controller or external device 5 Remote controller custom code Only for wireless remote controller The indoor unit custom code can be changed Select the appropriate custom code Function number Setting value Setting description Factory setting 30 For cooling 31 For heating 00 Standard setting 01 No correction 0 0 C 02 0 5 C More cooling Less heating 03 1 0 C 04...

Page 86: ...er 7 Dual fan airflow in COOL DRY and FAN modes Switches the dual fan vertical airflow in COOL DRY and FAN modes Set this when the dual fan airflow is too strong or week 8 Dual fan vertical airflow angle in COOL DRY and FAN modes Switches the dual fan vertical airflow angle in COOL DRY and FAN modes Set this when the dual fan airflow hits furniture or does not reach the intended area 9 Maintenance...

Page 87: ...not be used to operate for the air conditioner NOTES If no button is pressed within 30 seconds after the custom code is displayed the system returns to the original clock indicator In this case start again from step 1 The air conditioner custom code is set to prior to shipment To change the custom code contact your retailer If you do not know the assigned code for the air conditioner try each of t...

Page 88: ...temperature unit do as follows 1 Press the TEMP Up button for at least 5 seconds to display the current temperature unit Factory setting C 2 Press the TEMP buttons to switch the temperature unit between C and F 3 With either of pressing the START STOP button or no additional button operation for 30 seconds in step 2 the temperature unit currently selected will be set 03 06 ...

Page 89: ...INDOOR UNIT Main PC board Sub PC board 4 WIRING DIAGRAMS OUTDOOR UNIT 03 07 ...

Page 90: ...4 DISASSEMBLY PROCESS WALL MOUNTED type INVERTER ...

Page 91: ...he stopper to the right Mounting the Air filter and dust box 1 Set the lower edge of Air filter with the horizontal marks 2 Inset the top of Air filter to the rails 3 Inset the Air filter with dust box 2 The handles rise up 3 Up the handle and pull the Air filter and dust box Start from opening the Intake grille Start from opening the Intake grille From this state lift the Intake grille up and rem...

Page 92: ...04 02 1 Remove the screws 7 places 2 Remove the Front panel When installing the Side fan attach 1 screw temporarily to prevent fall down Tips Start from removing Intake grille 3 Mounting the screws 2 places Power PCB Filter PCB Human sensor IR Receiver PCB Indicator PCB Speaker Switch PCB Remove the Control box tab and open the Control box to the front Control box Control box tab Main PCB ...

Page 93: ... the screws 2 places and covers 2 Remove the earth wire and disconnect the all connector 3 Push left side supporter and remove the Filter PCB Start from opening the Control box 7 Main PCB removal Start from opening the Control box 1 Pull the left edge of the knowb remove the pawl and box cover 2 Disconnect 15 connectors When the wireless LAN in use 3 Push supporters and remove the Main PCB Before ...

Page 94: ... 2 Push upside supporter Start from removing the Front panel 3 Disconnect the connector 1 Disconnect the connector of Main PCB CN29 Red 2 Cut binder and remove the screws 2 places Start from removing the Front panel 12 Speaker removal Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minutes due to the risk of electric shock 04 04 ...

Page 95: ... Release cables 2 Release top shaft and bottom shaft from holder 3 Release bottom the hooks 2 places 4 Disconnect the connector Remove the screw cap and screws 15 Under cover removal 3 places Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minutes due to the risk of electric shock 04 05 There are hooks on both sides Bend the center and remove e...

Page 96: ...d while supporting with the left hand 4 Remove the screws 5 places and step motor Fit the black circle of the Side fan with the indoor unit 5 Remove the Side fan panel L 16 Side fan removal Underside hook is reverse Side fan removing Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minutes due to the risk of electric shock 04 06 Start from mount...

Page 97: ...e supporting with the left hand 5 Remove the screws 5 places and step motor 6 Remove the Side fan panel R Underside hook is reverse Side fan removing 2 Disconnect the connector of Filter PCB CN1 CN41 Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minutes due to the risk of electric shock 04 07 Fit the black circle of the Side fan with the indo...

Page 98: ... cover 3 Remove the hook 4 Remove the hooks 3 places 2 Remove the screws 5 places 1 Disconnect the connectors of Main PCB CN3 CN17 CN42 3 Remove the Main frame Tips Do not too lift up the under port Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minutes due to the risk of electric shock 04 08 Lift the Main frame upward and pull toward you ...

Page 99: ... the screws 4 places 3 Remove the casing Lift the Casing assy so as not to drop out from the wall bracket then remove it diagonally downward Hooks 2 places Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minutes due to the risk of electric shock 04 09 ...

Page 100: ...re 1 Disconnect the connector of Main PCB CN19 White Start from removing main frame 2 Remove the screws 3 places 3 Bend the gear unit side panel slightly Remove the Plasma unit 20 Plasma unit removal 2 Remove the Side cover Tips 3 Remove the Thermistor spring and Pipe temperature thermistor Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minute...

Page 101: ...tor set the Fan motor and Fan to the designated position Mounting the Fan motor Clearance 4 5 5 5mm 10 20mm Set the silver part between 10 20mm of the scale as shown in photo The basis is the underside of the Silver part as shown in photo Before servicing the unit turnings off all power supplies Then do not touch the electric parts for 10 minutes due to the risk of electric shock 04 11 ...

Page 102: ...s for 10 minutes due to the risk of electric shock 1 Remove the screws 6 places Left side view 2 Remove the Top panel 2 Front panel removal 3 Valve cover and Switch cover removal 1 Remove the screws 6 places 1 Remove the screws 4 places 2 Remove the Valve cover 3 Remove the Switch cover Start from opening the Top panel 2 Remove the Front panel 04 12 ...

Page 103: ... P30 P60 P650 1 Remove the screws 2 places 2 Remove the Hex socket screw Open Compressor terminal cover and disconnect 3 wires 4 Release cables from cable gide and remove the screw and remove electric box 5 Disconnect 5 connectors 6 Cut binder and remove earth wire 7 Remove the screws 7 places 8 Remove the Inverter PCB from case 9 Remove the EMI filters 3 places Remove the Core 1 place Before moun...

Page 104: ...nector P650 White 1 Remove the Electric box cover and release cables from cable guide 6 Remove the screws 4 places Note at the installation Insert Propeller Fan and Motor Shaft reference D cutting position and Tightening torque is from 10 to 15N m 1 Remove the screws 9 places Start from opening the Front panel and Valve and switch cover 2 Remove the Side panel 5 Remove the Propeller Fan Hooks 2 pl...

Page 105: ...3 Cut binders 2 places Pipe temperature thermistor Discharge temperature thermistor 4 Remove the Outdoor temperature thermistor as shown in the photo 4 Remove the Pipe temperature thermistor as shown in the photo Push the Thermistor spring Discharge temperature thermistor is also the same Start from removing the Side panel 1 Disconnect the connector P5 White 2 Release cables from cable guide 2 Rel...

Page 106: ...parts for 10 minutes due to the risk of electric shock Start from removing the Side panel 3 Remove the EEV coil as shown in the photo 3 Remove the screw 4 Remove the Solenoid coil as shown in the photo Start from removing the Front panel 2 Cut binder 2 Cut binders 2 places 1 Disconnect the connector P60 Black 1 Disconnect the connector P30 White 04 16 ...

Page 107: ...al 1 Turn off power 2 Remove the Top panel and Front panel and Side panel 3 Fully close the 3 way valve and 2 way valve 4 Collect the refrigerant from the 3 way valve Start the following work after completely collecting the refrigerant Do not reuse the refrigerant that has been collected Do not allow moisture or debris to get inside refrigerant pipes during work Cover H Cover M Cover E Cover A Cov...

Page 108: ...ic parts for 10 minutes due to the risk of electric shock CAUTION Cut the Discharge pipe in this range Cut the Suction pipe in this range Keep their shape better There is a possibility of catching fire to oil when removing by the welding without cutting it Remove the Compressor Range Range 5 Remove the Compressor bolts 3 places Tips Remove the Compressor bolts anticlockwise direction 04 18 ...

Page 109: ...seems to hit the following parts directly 5 Do not allow moisture or debris to get inside refrigerant pipes during work 6 When brazing be sure to replace the air in the pipe with nitrogen gas to prevent forming oxidization scale Part name Allowable temperature Precautions in work Remove the coil before brazing And install the coil after brazing Detaching necessity Sensor Remove the suction temp se...

Page 110: ...Dec 2016 Printed in Japan 3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...

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