Fujitsu AO G14KBTA2 Series Скачать руководство пользователя страница 30 | Manualshive

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3-way Valve Thermistor Error

OK

OK

DC

P6

THERMISTOR(VALVE)

2WV-A 3WV-A 2WV-B 3WV-B

BLACK

BLACK

3

2

1

3

4

4

5

5

6

6

7

7

8

8

2

1

BLACK

BLACK

BLACK

BLACK

BLACK

BLACK

Outdoor temperature thermistor

Outdoor temperature thermistor short or open detected

Check Point 1 : Check the connector connection and cable open

Connector connection state check

Cable open check

Check Point 2 : Check the thermistor

Thermistor characteristics check

(Disconnect the thermistor from the PCB and check.)

* For the thermistor characteristics, refer to the "Service Parts Information 8".

Check Point 3 : Check voltage of Main PCB (DC5.0V)

Main PCB P6:3-4 voltage value =5V

Main PCB P6:7-8 voltage value =5V

Remove the thermistor from Main PCB, check the voltage.

If the voltage does not appear, replace Main PCB,

and execute the check operation again.

02-28

Trouble shooting 26-2

Detective Actuators:

Detective details:

OUTDOOR UNIT Error Method:

Indicate or Display:

Error code : 76

Outdoor unit : No indication

1. Connector connection failure, open

2. Thermistor failure

3. Main PCB failure

Forecast of Cause :

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Содержание AO G14KBTA2 Series

Страница 1: ...A AUXG09KVLA AUXG12KVLA AUXG14KVLA AO G14KBTA2 AO G18KBTA2 Indoor unit Outdoor unit RSG07KGTB RSG09KGTB RSG12KGTB RSG14KGTB RSG07KMTB RSG09KMTB RSG12KMTB RSG14KMTB RSG07KETA B RSG09KETA B RSG12KETA B RSG14KETA B RDG07KSLAP RDG09KSLAP RDG12KSLAP RDG14KSLAP RDG07KLLAP RDG09KLLAP RDG12KLLAP RDG14KLLAP RCG07KVLA RCG09KVLA RCG12KVLA RCG14KVLA ROG14KBTA2 ROG18KBTA2 SERVICE INSTRUCTION SPLIT TYPE ROOM AI...

Страница 2: ...2 TROUBLE SHOOTING INVERTER MULTI Compact Cassette Slim Duct Mini Duct Wall Mounted ...

Страница 3: ...Error Compressor rotor position detection Error Outdoor Unit Fan Motor Error 4 way Valve Error Discharge Temp Error PFC circuit Error 1 If an error occurs an error icon appears on the Monitor mode screen Touch the Status on the Monitor mode screen The Status screen is displayed 2 Touch the Error Information on the Status screen The Error Information screen is displayed If there are no errors the E...

Страница 4: ...cal Manual Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC198V AC220V 10 264V AC240V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Reverse Transfer Signal Check Serial Signal Reverse Transfer Signal Check if Indicated value swings between AC90V and AC270V at Outdoor Unit Terminal 1 3 If it is abnormal Check Outdoor unit fan ...

Страница 5: ...nection condition in control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC198V AC220V 10 264V AC240V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Forward Trans...

Страница 6: ...an 16 units Check if controller PCB damage Change controller PCB and check the Error after setting remote controller address Check Point 2 1 Check Indoor unit controller PCB Check Voltage at CN300 Terminal 1 2 of UTY TWRXZ2 Communication kit Power supply to Remote control For AS G __ KGTB If it is DC12V Remote control is failure Controller PCB is normal Replace Remote control If it is DC 0V Contro...

Страница 7: ... the external I O PCB and the controller PCB If there is loose connector open cable or mis wiring After receiving a signal from the external I O PCB the same a signal has not been received for 15sec 1 Connection failure 2 External I O PCB failure 3 Controller PCB failure Check Point 1 Check the connection Check Point 2 Replace external I O PCB If Check Point 1 do not improve the symptom change Ext...

Страница 8: ... units is incorrect 2 Main PCB Outdoor unit failure Indicate or Display Error code 22 02 06 Outdoor unit No indication Check Point 1 Check the total capacity of indoor unit Check the total capacity of the connected indoor units If abnormal condition is found correct it by referring to Installation Manual or Design Technical Manual Check Point 2 Replace Main PCB If Check Point 1 do not improve the ...

Страница 9: ...410a Forecast of 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 Error code 23 02 07 Outdoor unit No indic...

Страница 10: ... Point 1 Wire installation Wrong wire connection in RCgroup Please refer to the installation manual Change controller PCB and check the Error after setting remote controller address Check if controller PCB damage Check Point 2 Wrong RCgroup setting The given address number by auto setting 00 and the manual set number Except 00 were not existing in one RCG The remote controller address setting by U...

Страница 11: ...f connecting indoor units are out of specified rule Forecast of Cause 1 Wrong wiring Number of I U RC in RCgroup 2 Indoor unit controller PCB defective Check Point 1 Wire installation Wrong number of connecting indoor unit Check Point 2 Check Indoor unit controller PCB Check if controller PCB damage Check if controller PCB and check the Error after setting remote controller address Indicate or Dis...

Страница 12: ...ower cable Neon light bulb 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 sha...

Страница 13: ... 2 Check ambient temp around motor OK OK OK Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace It Check excessively high temperature around the motor if there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check Point 4 Replace Controller PCB If Check Point 1 3 do no...

Страница 14: ... the Manual Auto Switch becomes ON for consecutive 60 or more seconds 1 Manual auto switch failure 2 Controller PCB and Indicator PCB failure Check Point 1 Check the Manual auto switch Check if Manual auto switch is kept pressed Check Point 2 Replace Controller PCB If Check Point 1 do not improve the symptom change Controller PCB and Indicator PCB Check ON OFF switching operation by using a meter ...

Страница 15: ...tor Check if connector is removed Check erroneous connection Check if cable is open Upon correcting the removed connector or mis wiring reset the power Check Point 1 Check external cause at lndoor and Outdoor 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 p...

Страница 16: ...OK Forecast of Cause 1 Communication PCB defective 2 Indoor unit controller PCB defective Check Point 1 Check the connection of terminal Indoor unit Check the connection the communication PCB and the controller PCB After turning off the power supply check correct the followings If the Check point 1 is ok replace the communication PCB Indicate or Display Error code 3A 02 14 Check Point 3 Replace th...

Страница 17: ...rror Method Indoor Room Thermistor Error Indicate or Display 02 15 Error code 41 Outdoor unit No indication Resistance value k Temperature C Temperature C 10 5 0 5 10 15 20 25 30 35 40 45 Resistance value k 58 2 44 0 33 6 25 9 20 2 15 8 12 5 10 0 8 0 6 5 5 3 4 3 Check Point 3 Check Voltage of Controller PCB DC 5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermis...

Страница 18: ...alue k 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 1131 9 804 5 579 6 422 9 312 3 233 2 176 0 134 2 103 3 80 3 62 9 49 7 39 6 31 7 25 6 20 8 17 1 14 1 11 6 9 7 Resistance value k Temperature C Temperature C Resistance value k 30 25 20 15 10 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 1013 1 729 1 531 5 392 3 292 9 221 1 168 6 129 8 100 9 79 1 62 5 49 8 40 0 32 4 26 3 21 6 17 8 14 8 12 3...

Страница 19: ...tor If Fan or Bearing is abnormal replace It Check excessively high temperature around the motor if there is any surrounding equipment that causes heat Upon the temperature coming down restart operation When the fan motor speed is less than 1 3 of the target fan speed for 56 seconds When detect the 0 rpm for 56 seconds after fan motor started Check Point 4 Replace Power Supply PCB For AR AU type I...

Страница 20: ...loat switch failure 2 Shorted connector wire 3 Controller PCB failure 4 Drain pump failure 5 Hose clogging Check Point 2 Check Connector and Wire Check loose contact of CN9 shorted wire pinched wire Replace Float switch if the wire is abnormal OK OK OK Check Point 3 Check Drain hose Check Drain hose If there is Hose clogging Please clear the clog 02 18 Indicate or Display Error code 53 Outdoor uni...

Страница 21: ...ain PCB failure Check Point 1 1 Reset Power 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...

Страница 22: ... YES NO Check Point 1 1 Turn the power on again Error displayed again Check Point 1 2 External cause Check if temporary voltage drop was not generated Check if temporary open was not generated Check if ground is connected correctly or there are no related cables near the power line Check Point 2 Check the wiring Connector and wiring connection state check Cable open check Check Point 3 Replace Mai...

Страница 23: ...Check Point 1 Check external cause at Indoor and Outdoor 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 harmon...

Страница 24: ...e or Display Trip terminal L error Outdoor unit Main PCB 1 Outdoor unit Main PCB failure When the signal from FO terminal of IPM is L 0V while the compressor stops Check Point 1 Replace Main PCB Replace Outdoor unit Main PCB Error code 65 Outdoor unit No indication 02 22 Trouble shooting 21 ...

Страница 25: ...heck Check Point 2 Check the thermistor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P1 3 4 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the chec...

Страница 26: ...tor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P15 1 3 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 24 Trouble shooting 23 Detective Actuators Detective details OUTDOOR UNIT Error Method Indicate or Display Error co...

Страница 27: ...ristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P1 1 2 voltage value 5V Main PCB P10 1 2 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 25 T...

Страница 28: ...tor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P5 1 3 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 26 Trouble shooting 25 Detective Actuators Detective details OUTDOOR UNIT ...

Страница 29: ...sconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P6 1 2 voltage value 5V Main PCB P6 5 6 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 27 Trouble shooting 2...

Страница 30: ... Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P6 3 4 voltage value 5V Main PCB P6 7 8 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 28 Trouble shootin...

Страница 31: ...cause 3 Main PCB failure 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 Che...

Страница 32: ...n hear exchanger excessive rise of ambient temperature 2 Main PCB 3 Inverter compressor 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 mot...

Страница 33: ...change Main PCB Check if connector is removed Check erroneous connection Check if cable is open Refer to PARTS INFORMATION 2 Upon correcting the removed connector or mis wiring reset the power For Compressor Terminal Main PCB Protection stop by overcurrent generation at inverter compressor starting restart generated consecutively 50 times x 3 sets total 150 times 02 31 Check Point 1 Check Noise fr...

Страница 34: ...put Voltage of Main PCB Check 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 t...

Страница 35: ...ot proper replace 4 way valve Check Point 4 Replace Main PCB If Check Point 1 3 do not improve the symptom replace Main PCB Check Point 2 Check thermistor of Indoor unit Isn t it fallen off the holder Is there a cable pinched Check characteristics of thermistor Refer to Trouble shooting 14 15 If defective replace the thermistor Indoor Unit Controller PCB Circuit Heat Exchanger Temperature Thermist...

Страница 36: ... PARTS INFORMATION 5 Check Point 2 Check the EEV strainer Check Point 5 Check the refrigerant amount Leak check If the 3 way valve gas side was closed open the 3 way valve gas side and check operation 02 34 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 1 3 way valve not opened 2 EEV defective st...

Страница 37: ... 02 35 2 3 TROUBLESHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components NO Check the voltage of power supply Check if AC198 264V appears at Indoor Unit Terminal 1 2 Power Supply Check Varistor in Power supply PCB If Varistor is defective there is a possibility of an abnormal power supply Check the correct power supply and replace Varistor Upon checking the normal power supply repla...

Страница 38: ... 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 the vol...

Страница 39: ... complete insulation of grounding If the symptom does not change by above Check 1 2 3 replace Main PCB of Outdoor unit 02 37 DC Check Voltage at CN300 of Controller PCB Terminal 1 3 Terminal 1 2 Power supply for the Remote Control Check Voltage at CN300 Terminal 1 2 of UTY TWRXZ2 Communication kit Power supply to Remote control For AS G __ KGTB If it is DC12V Remote control is failure Controller P...

Страница 40: ...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...

Страница 41: ...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...

Страница 42: ...r 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 capillary tube strainer is clogged PARTS INFORMATION 3 If there is no failure the defect of Compressor can be considered Compressio...

Страница 43: ...on of Compressor loose or incorrect wiring Check winding resistance of each terminal If the resistance value is 0 or infinite replace Compressor If the symptom does not change with above Check 1 2 replace Main PCB 02 41 Resistance Value 1 975 at 25 C 14 type 1 91 at 20 C 18 type Main PCB RED WHITE BLACK Compressor V S U R W400 W401 W402 RED W C BLACK Terminal cover opened WHITE ...

Страница 44: ...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 has no temp difference between Inlet and Outlet ...

Страница 45: ... and GND terminal Vm DC voltage GND Earth terminal If they are short circuited below 300 k replace Outdoor fan motor and Main PCB Pin number wire color Terminal function symbol 1 Red 2 4 Black 5 White 6 Yellow DC voltage Vm No function 3 No function Earth terminal GND Control voltage Vcc Speed command Vsp 7 Brown Feed back FG Pin number wire color Terminal function symbol 1 Red 2 4 Black 5 White 6...

Страница 46: ...able Thermistors Discharge temp TH Comp temp TH Outdoor temp TH 2 way valve TH 3 way valve TH Heat exchanger TH 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 1013 1 531 6 292 9 168 6 100 9 62 5 40 0 26 3 17 8 12 3 8 7 6 3 4 6 3 4 2 6 2 0 95 6 50 3 27 8 16 1 9 6 6 0 3 8 2 5 1 7 1 2 0 8 0 6 224 3 115 2 62 3 35 2 20 7 12 6 8 0 5 2 3 5 2 4 1 6 1 2 Thermistor D 1013 1 531 6 292 9 168 6 100 9 62 5 4...

Страница 47: ...Oct 2019 Printed in Japan 3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...

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