Fujitsu AB G14LVTA Series Скачать руководство пользователя страница 96 | Manualshive

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1. Connector connection failure

2. Thermistor failure 3. Coil failure 4. 4-way valve failure

5. Main PCB failure 6. Controller PCB failure

Test 1 : Check connection of Connector

Check if connector is removed.
Check erroneous connection.
Check if thermistor cable is open.
>> Upon correcting the removed connector or miss-wiring, reset the power.

Test 3 : Check the solenoid coil and 4-way valve

[ Solenoid coil ]

Remove CN202 from PCB and check the resistance value of coil.
Resistance value is about 2085 +10% ( 20°C)

>> If it is Open or abnormalresistance value, replace Solenoid Coil.

[ 4-way valve ]
Check each piping temperature,
and the location of the valve by the temperature difference.
>> If the value location is not proper, replace 4-way valve.

Test 5 : Replace Controller PCB

If Test 1- 4 do not improve the symptom, replace Controller PCB of Indoor unit .

Test 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 12. 13),
If defective, replace the thermistor.

Test 4 : Check the voltage of 4-way valve

Check the CN202 voltage of Main PCB
Check if AC198V(AC220V-10%) - 264V(10%) appears at CN 202 of Main PCB.
[ Heating operation ]
>> If it is not voltage, Replace Main PCB. (SERVICE PARTS INFORMATION 10)
[ Cooling operation ]
>> If it is voltage, Replace Main PCB. (SERVICE PARTS INFORMATION 10)

OK

OK

OK

OK

OK

Trouble shooting 36

OUTDOOR UNIT Error Method:

4-Way Valve Error

Indoor unit main PCB
Heat Ex. temperature thermistor
Room temperature thermistor
4-Way valve

When the indoor unit Heat Ex. temperatrure is compared with the
room temperature, and either following condition is detected
continuously 2 times, compressor stops.

Cooling operation

・

・

[Indoor Heat Ex. temperature] - [Room temperature] >

10°C

[Indoor Heat Ex. temperature] - [Room temperature] <

-10°C

If the same operation is repeated 5 times.

Heating operation

Detective Actuators:

Detective details:

Indicate of Display:

the compressor stops permanently.

Forecast of Cause:

-

02-51

Indoor Unit

Outdoor Unit

Operation lamp : 9 time Flash

ERROR CODE : [E : 99]

Timer lamp

: 9 time Flash

Monitor

A

B

C

D

E

F

9

: Light ON

: Light OFF

n : n time blinking

9

«
...
94
95
96
97
98
...
»

Содержание AB G14LVTA Series

Страница 1: ...ype AS G07LUCA AR G07LLTA AR G09LLTA AR G12LLTB AR G14LLTB AB G14LVTA AB G18LVTB AG G09LVCA AG G12LVCA AG G14LVCA AR G18LLTB AR G07LSLAP AR G09LSLAP AR G12LSLAP AR G14LSLAP AR G18LSLAP AS G07LMCA AS G09LMCA AS G12LMCA AS G14LMCA AS G07LMCE AS G09LMCE AS G12LMCE AS G14LMCE AS G18LFCA AS G24LFCA AS G24LFCC AS G12LUCA AS G14LUCA AS G09LUCA AU G07LVLA AU G09LVLA AU G12LVLB AU G14LVLB AU G18LVLB SERVIC...

Страница 2: ...ONTROL FOR INDOOR UNIT SENSOR 27 THERMO CONTROL FOR WIRED REMOTE SENSOR 01 01 01 01 01 04 01 13 01 20 01 20 01 21 01 24 01 24 01 24 01 25 01 26 01 27 01 28 01 29 01 31 01 35 01 37 01 38 01 39 01 39 01 39 01 25 01 25 01 24 01 24 17 FRESH AIR CONTROL For AU AR type 19 DRAIN PUMP OPERATION For AU AR type 01 27 2 1 1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY 2 1 3 CENTRAL REMOTE CONTROLLER DISPL...

Страница 3: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A INVERTER MULTI Universal Floor Celling Slim Duct Mini Duct Compact Cassette Compact Wall Mounted Floor Wall Mounted type ...

Страница 4: ... was selected at and air flow mode is Auto the air conditioner operates as follow The same operation as COOLING OPERATION AND DRY OPERATION When the room temperature has remained at set temperature 1 5 C operation is automatically switched to Dry mode If the room temperature reaches set temperature 2 C during Dry mode operation returns to Cooling 1 1 2 Fig 1 Outdoor temperature zone selection Cool...

Страница 5: ...ps or operation command other than auto changeover operation Middle zone NO Operation mode of outdoor unit Cooling or Dry YES NO Operation mode of outdoor unit Heating YES NO YES Outdoor temperature 25 C NO YES YES NO YES YES When Heating was selected at the same operation as HEATING OPERATION of page 01 07 is performed When the compressor was stopped for 6 consecutive minutes by the temperature c...

Страница 6: ...ow mode Fan Speed 1430 1320 1220 1020 900 720 480 1480 1220 1020 900 720 X J zone 900 AB G14LVTA Hi Me Me Lo Quiet Cool Air Prevention S Lo Hi Me Lo Quiet Soft Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed X J zone 670 850 850 800 740 670 500 300 850 800 740 670 500 AB G18LVT Hi Me Me Lo Quiet Cool Air Prevention S Lo Hi Me Lo Quiet Soft Quiet Auto Operation mode Heatin...

Страница 7: ...t Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed X J zone 460 740 700 670 600 480 400 300 730 630 540 460 400 AU G18LVL Hi Me Me Lo Quiet Cool Air Prevention S Lo Hi Me Lo Quiet Soft Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed X J zone 460 840 800 750 650 500 400 300 790 660 570 460 400 rpm rpm rpm rpm Note during Economy operation and opera...

Страница 8: ...t Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed X J zone 1030 1560 1400 1240 1030 500 1560 1400 1240 1030 500 rpm rpm rpm Note during Economy operation and operation mode is Fan air flow is 1 step downs Hi Me Me Lo Quiet Soft Quiet AR G09LL A Static pressure 25Pa Hi Me Lo Quiet S Lo Hi Me Lo Quiet Soft Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan ...

Страница 9: ...to S Lo Operation mode Air flow mode Speed rpm 1290 1060 800 730 530 Dry Monitoring Cooling Fan Heating AR G18LSLAP Static pressure 15pa Hi Me Lo Quiet S Lo Hi Me Lo Quiet Auto S Lo 1 1240 960 850 73 S Lo S Lo 1500 1220 1030 730 360 Operation mode Air flow mode Speed rpm 1100 890 810 750 360 360 750 360 Dry Monitoring Cooling Fan Heating AR G07LSLAP Static pressure 10pa Hi Me Lo Quiet S Lo Hi Me L...

Страница 10: ...1080 920 910 770 660 560 660 560 660 560 1240 1040 1050 890 860 730 660 560 570 480 Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower 1300 1140 980 750 680 680 1300 1120 930 750 680 X J zone 750 Upper Lower air flow mode Upper air flow mode AG G14LVCA Hi Me Lo Quiet Cool Air Prevention S Lo Hi Me Lo Quiet...

Страница 11: ...o Powerful Hi Me Lo Quiet Soft Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed 1050 1030 1030 950 850 650 610 570 1080 1030 950 850 650 610 X J zone 650 Powerful Hi Me Me Lo Quiet Cool Air Prevention S Lo Powerful Hi Me Lo Quiet Soft Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed 1160 1110 1110 1030 930 650 610 570 1160 1110 1030 930 650 610 X J...

Страница 12: ... Powerful Hi Me Lo Quiet Soft Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed 1140 1090 1040 980 850 710 600 480 1140 1090 980 850 680 600 X J zone 680 Powerful Hi Me Me Lo Quiet Cool Air Prevention S Lo Powerful Hi Me Lo Quiet Soft Quiet Auto Operation mode Heating Cooling Fan Dry Air flow mode Fan Speed 1240 1190 1120 1050 910 710 600 480 1240 1190 1050 880 680 600 X J ...

Страница 13: ...iet Lo Me Hi Fig 3 Airflow change over When the room temperature rises When the room temperature drops TR Room temperature Ts Setting temperature TR Ts 2 C 1 C TR Ts 2 C TR Ts 1 C TR Ts 2 5 C 1 5 C TR Ts 2 5 C TR Ts 1 5 C Hi Me Lo 4 DRY OPERATION Auto Dry During the dry operation the fan speed setting can not be changed it operates automatically as shown in Fig 4 Room temperature variation which t...

Страница 14: ...room temperature drops TR Room temperature Ts Setting temperature Lo Me Me 42 C 30 C 34 C When Indoor heat exchanger temperature rises When Indoor heat exchanger temperature drops Hi Me or setting FAN mode Cool air prevention 39 C 37 C 37 C 32 C 28 C S Lo Lo or setting FAN mode 29 C When Indoor heat exchanger temperature rises When Indoor heat exchanger temperature drops Lo or setting FAN mode 37 ...

Страница 15: ...rops Hi Me or setting FAN mode Cool air prevention 39 C 37 C 34 C 29 C 24 C S Lo Lo or setting FAN mode Lower speed is selected Compressor ON OFF Indoor fan Setting air flow OFF Function setting 49 Note Setting air flow Work In the case of 3 wire remote controller UTY RVN N is connected set it to 0 or 1 This controller can t be set it 10 0 1 30 60 180 60 180 60 10 30 sec S Lo 480rpm Factory settin...

Страница 16: ...S G18 24 3 SWING OPERATION When the swing signal is received from the remote controller the vertical louver starts to swing Swinging Range 1 3 1 4 4 6 6 Vertical Airflow Swing Operation Horizontal Airflow Swing Operation For AS G18 24 When the swing signal is received from the remote controller the horizontal louver starts to swing Cooling Heating Dry Fan mode Swinging Range 5 1 Vertical and Horiz...

Страница 17: ...ward flow 2 SWING OPERATION When the swing signal is received from the remote controller the vertical louver starts to swing The range of swing depends on the set airflow direction When the indoor fan is either at S Lo or Stop mode the swinging operation is interrupted and it stops at either upper end or bottom end Stop mode means Operation stop During AUTO mode operation for the first minute afte...

Страница 18: ...Function Range Operation Range 1 2 SWING OPERATION When the swing signal is received from the remote controller the vertical louver starts to swing The range of swing depends on the set airflow direction When the indoor fan is either at S Lo or Stop mode the swinging operation is interrupted and it stops at either upper end or bottom end The indoor fan motor starts after the louver reaches to the ...

Страница 19: ...e 2 2 SWING OPERATION When the swing signal is received from the remote controller the horizontal louver starts to swing The range of swing depends on the set airflow direction When the indoor fan is either at S Lo or Stop mode the swinging operation is interrupted and it stops at either upper end or bottom end Stop mode means Operation stop 1 2 3 4 5 1 2 3 4 5 1 3 4 5 2 Swinging Range Cooling Hea...

Страница 20: ...ir being blown out is low at the start of heating operation or during defrosting the airflow direction temporarily becomes to prevent cold air being blown onto the body During Monitor operation in AUTO CHANGEOVER mode the airflow direction automatically becomes and it cannot be adjusted Function and Operation Range When the swing signal is received from the remote controller the vertical louver st...

Страница 21: ...ir direction adjustments within the ranges shown above During AUTO mode operation for the first a few minutes after beginning operation air flow will be horizontal 1 the air direction cannot be adjusted during this period The air flow direction setting will temporarily become 1 when the temperature of the air flow is low at the start of the Heating mode Range Heating mode Fan mode The SWING operat...

Страница 22: ...on 3 In COOL or DRY mode if the angle is set to position 4 7 for many hours condensation may be formed and the drips may wet your property During AUTO or Heating mode operation for the first a few minutes after beginning operation air flow will be horizontal 1 the air direction cannot be adjusted during this period The air flow direction setting will temporarily become 1 when the temperature of th...

Страница 23: ... rps E F rps C D rps B rps A rps F rps E rps D rps C rps B rps A rps 30 60sec 30 47 Frequency Time K L M N O I J G H 6 COMPRESSOR CONTROL 1 OPERATION FREQUENCY RANGE AO G36LBLA5 AO G45LBLA6 2 Fig 12 Compressor control at Start up G H H I I J J K K L L M M N N O 47 60 60sec 480sec 120sec 300sec 180sec 120sec 120sec 5 OUTDOOR FAN CONTROL The Table 5 shows the fan speed of the outdoor unit 1 Outdoor ...

Страница 24: ...er 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 ON timer operation Table 7 Timer setting 2 PROGRAM TIMER Stop mode Sto...

Страница 25: ...ng to the changed setting of the sleep timer from that time ON In the cooling operation mode When the sleep timer is set the setting temperature is increased 1 C It increases the setting temperature another1 C after 1 hour After that the setting temperature is not changed and the operation is stopped at the time of timer setting In the heating operation mode When the sleep timer is set the setting...

Страница 26: ...unction can set operation times of the each day of the week All days can be set together the weekly timer can be used to repeat the timer setting for all of the days 3 TEMPERATURE SET BACK TIMER This timer function can change setting temperature of setting operation times of the each day of the week This can be together with other timer setting Normal tmp ON OFF Setting day Setting day Setting day...

Страница 27: ...arge temperature sensor and the outdoor temperature sensor At the time of supplying the power to the outdoor unit the initialization of the electronic expansion valve is operated 528 pulses are input to the closing direction Cooling Dry mode Heating mode AO G36LBLA5 AO G45LBLA6 Operation mode Pulse range 50 480 30 480 Table 9 The pulse range of the electronic expansion valve control At the time wh...

Страница 28: ...te control OPERATION MODE Auto changeover Auto Continuous No timer setting available 24 C Table 11 Manual auto operation control SETTING TEMP FAN MODE TIMER MODE It is necessary to set on the DIP SW1 No 6 of the wired remote controller to enable the memory backup Refer to the installation manual of wired remote controller for details SWING OPERATION ECONOMY OFF OFF VERTICAL LOUVER NORMAL NORMAL HO...

Страница 29: ...arted and when the outdoor temperature rises to 25 C or greater preheating is ended The product will operate at maximum power which is convenient when you want to quickly cool down or warm up the room Air Conditioner operation before performing this procedure Cooling Dry mode Powerful Operation mode is automatically turned off when the room temperature has fallen to the set temperature or when 20 ...

Страница 30: ... At the maximum output ECONOMY Operation is approximately 70 of normal air conditioner operation for cooling and heating The ECONOMY operation is almost the same operation as below settings g n i t a e H y r D g n i l o o C e d o M Target temperature Setting temp 1 C Setting temp 1 C Table 12 Economy operation ...

Страница 31: ...nit Fan motor for Fresh Air When the room temperature rises When the room temperature drops Ts Setting temperature Heater OFF Heater ON Heater OFF Ts 10 C Ts 1 C Ts 3 C Ts 12 C When all of the following conditions are met external elecrtical heater will operate according to Fig 15 1 When one of the ON conditions is not met 2 When Defrost operation or Oil recovery operation starts Heater ON conditi...

Страница 32: ...3 minutes the unit starts Cooling operation 1 2 1 When the water level in the drain pan rises up and then the float switch functions Drain pump operates continuously for 3 minutes after the float switch is turned off Almost condensing water may be drained 2 When the float switch turns ON continuously for 3 minutes FAILURE INDICATION operates Thereafter even if the float switch turns OFF the FAILUR...

Страница 33: ...ting defrost operation Integrating defrost If the compressor continuous operation time is less than 10 minutes the OFF number of the compressor is counted If any defrost operated the compressor OFF count is cleared Less than 10 minutes For intermittent operation Compressor integrating operation time OFF count of the compressor 40 times at outside air temp 2 C 1 3 INTEGRATING OFF COUNT DEFROST Tabl...

Страница 34: ... ON 2 sec OFF Defrost start Tn 17 C Ta 10 C Tn 0 8 Ta 11 6 Tn 24 C Tn Tn 1 2 C and Sn Sn 1 Ta 20 C t s o r f e d g n i t a r g e t n I t s o r f e d g n i t a r g e t n I t s o r f e d l a m r o N Integrating OFF count defrost 20 C Ta 10 C Tn 6 C More than 210 minutes For continuous operation or Tn 3 C and after 30 minutes if the Tn 3 C and after 3 minutes if the Tn 5 C Tn 5 C or Tn 0 8 Ta 11 6 Tn...

Страница 35: ...door units A to D are connected Example When 4 indoor units A to D are connected POWER MODE 2 blink ERROR MONITOR A C F E D B 4 After the check run is complete results will be displayed Please fill the displayd result table accordingly NOTE Automatic wiring correction will not be completed if the power is turned off while displaying the result To confirm the automatic wiring correction be sure to ...

Страница 36: ... are displayed B and C will light up in reverse How to record the contents Please fill the displayed result according to the following example Example 1 Displayed results The LEDs will light up in 7 second interval in the following order When piping A to D is connected but the wires for B and C are connected in reverse POWER MODE ERROR A B C 7 sec 7 sec 7 sec 7 sec MONITOR D E F POWER MODE ERROR A...

Страница 37: ...ly or turn off the breaker normal operation is not possible Others If an error occurs during check run it will be suspended Please correct the error and start check run again If you start check run again after the automatic wiring correction is finished the modification will be reset After the check run if automatic wiring correction is carried out the indoor unit s position will be modified to ma...

Страница 38: ...esults is displayed Please check the check run results by referring to the result table in step 4 of Operating procedure for check run If the automatic wiring correction contents has not been done the POWER MODE LED will blink twice and the MONITOR LED will turn off Automatic wiring correction memory reset CAUTION When relocating the unit reset the memory beforehand or the unit may not function no...

Страница 39: ...harge temperature becomes higher than Temperature the compressor stops 2 CURRENT RELEASE CONTROL The compressor frequency is controlled so that the outdoor unit input current does not exceeds the current limit value 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 relea...

Страница 40: ...The protection function is the compressor speed is descreased 7 rps every 60 seconds Hp detected discharge pressure sensor value rps detected compressor frequency Table 20 Heating operation Table 21 Operation value When 3 minutes has passed from the compressor stop and the compressor temperature sensor detects lower than Temperature protection is released and the compressor will restart Outdoor he...

Страница 41: ...ITOR ERROR B A POWER MODE NOTE If the PUMP DOWN switch is pressed during compressor operation the compressor will stop and the operation will start after about 3 min 4 Close the liquid pipe valve 5 When 0 05 MPa 0 MPa is shown close the gas pipe valve 6 Stop pump down by pressing the PUMP DOWN switch for 3 seconds The LED will light as follows F E D C MONITOR ERROR B A POWER MODE 3 blink 7 Disconn...

Страница 42: ...valves both at the liquid side and gas side are opened Please confirm that the DIP switch SET1 2 is switched OFF 2 Set the operation mode to COOL or HEAT If you wish to the DIP switch SET1 1 to HEAT please switch it after temporarily disconnecting the power supply or turning off the breaker switching the power off In the first test run be sure to set the operation mode to COOL The operation mode c...

Страница 43: ... i F This setting can make the room temperature control more suitable for homes or buildings with high insulation Function Number 95 When the thermo sensor is turned ON it controls the compressor frequency at initial start to prevent overshoot in heating or cooling When room temperature is controlled by the Indoor unit sensor compressor operation is as shown in Fig 19 and 20 But adjustment is poss...

Страница 44: ...2 TROUBLE SHOOTING R410A INVERTER MULTI Universal Floor Celling Slim Duct Compact Cassette Compact Wall Mounted Wall Mounted Duct type Floor ...

Страница 45: ...lter Error Heat Ex Thermistor Error OUT Outdoor Thermistor Error Compressor Thermistor Error 1 2 3 4 6 7 8 9 10 11 13 14 16 17 18 19 22 23 24 25 26 29 Continuous 5 times 6 times IPM Error Indoor Unit Display 11 12 22 32 35 41 42 51 53 58 62 64 3 times 6 times Inverter Error 15 Continuous 63 65 71 72 73 74 76 Indoor Unit Capacity Error Continuous 2 times 2 times Continuous 2 times 6 times Outdoor U...

Страница 46: ...or Unit Fan Motor Error 4 times 9 times 9 times 9 times 4 Way Valve Error 1 times 10 times Discharge Temp Error Indoor Unit Display 76 94 95 97 99 A1 A3 Continuous 7 times 6 times 3 Way Valve Thermistor Error Wired Remote Controller Display Over Current Error 6 times 8 times 86 Discharge Pressure Sensor Error 4 times 8 times 84 CT Error Continuous 02 02 33 9 times 10 times Coil expansion valve Err...

Страница 47: ...error 1 2 3 2 wire remote controller Ex Error code display If an error occurs the following display will be shown will appear in the Monitor Mode Screen This appears automatically on the display if an error occurs Error code 2 wire remote controller address ...

Страница 48: ...isplayed for the indoor unit connected to the remote controller 1 Stop the air conditioner operation 2 Press the SET TEMPERATURE buttons simultaneously for 3 seconds or more to start the self diagnosis 4 Press the SET TEMPERATURE buttons simultaneously for 3 seconds or more or there is no key input for 60 seconds to stop the display 3 Press the SET TEMPERATURE button to select the error history nu...

Страница 49: ...unit is the error displayed indoor unit s name and ERROR are alternately shown 0 5s indoor unit s name 0 5s ERROR Ex Error display F E D C MONITOR ERROR B A POWER MODE blink High speed In the event of an error Error location display LEDs A to F of MONITOR light up and display the error location In the case of an overall error LEDs A to F of MONITOR do not light up Example Coil error in indoor unit...

Страница 50: ...d Ex Serial communication error Error cord 11 3 3 1 blink 1 blink Blink Display mode For MONITOR C D E F 1 2 3 4 5 6 7 8 9 A C F J P U A and B A 10 Blink C 11 Blink F 12 Blink J 13 Blink P 14 Blink U 15 Blink LED on LED off Blink 0 5s Light on 0 5s Light off High speed Error code display ...

Страница 51: ...r temp sensor error 73 3 74 1 76 1 76 2 2 Way Valve Thermistor Error Discharge pressure sensor error Compressor motor control error 4 way valve error 86 1 Current sensor 1 error stoppage permanently 84 1 Discharge temperature 1 error stoppage permanently 94 1 Compressor 1 temperature error A3 1 Fan motor 1 error Duty error 95 1 97 3 99 1 Coil 1 expansion valve 1 error 9A 1 A1 1 Trip detection cont...

Страница 52: ...IRELESS LAN ADAPTER WIRELESS LAN Router CLOUD Mobile App Mobile device Outdoor unit 2 1 6 WIRELESS LAN INDICATOR DISPLAY 1 WIRELESS LAN CONTROL system layout 2 NAME OF PARTS 3 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 Flashing Fast Flashing Fast ON Flashing Fast Flashing F...

Страница 53: ...utton on the home screen Error Code and Error Name is displayed For Android For iOS Error button Error code 51 1 51 1 Error Name Error code Error button AIR CINDITIONER ERROR AIR CINDITIONER ERROR 51 1 AIR CINDITIONER ERROR 51 1 AIR CINDITIONER ERROR Indoor unit fan motor 1 error Indoor unit fan motor 1 error Indoor unit fan motor 1 error Indoor unit fan motor 1 error 02 09 ...

Страница 54: ...rror between indoor outdoor units Remote controller communication error Indoor unit capacity abnormal Indoor unit manual auto switch error Indoor unit room temp thermistor error Indoor unit main PCB error Error message Error Code Trouble shooting Indoor unit heat ex temp thermistor error Outdoor unit compressor temp thermistor error Outdoor unit inverter PCB error Outdoor unit operating valve ther...

Страница 55: ...obile device to the same network as the air conditioner then 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...

Страница 56: ...ry 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...

Страница 57: ...onditioner 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 ...

Страница 58: ...above 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 no...

Страница 59: ... 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...

Страница 60: ...heck 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 interne...

Страница 61: ... 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 the parts as follows Outdoor unit fan motor SERVICE PARTS INFORMATION 6 Active filter module SERVICE PARTS INFORMATION 8 Filter PCB Check the wire of CN201 If Outdoor fan motor is abnormal replace Ou...

Страница 62: ...heck if AC198V AC220V 10 264V AC240V 10 appears at outdoor unit terminal L1 L2 Test 4 Check serial signal Forward transfer signal 1 RED BLACK WHITE 3 2 YES Check Serial Signal Forward Transfer Signal Check if Indicated value swings between AC30V and AC130V at Outdoor Unit Terminal 2 3 If it is abnormal replace Controller PCB If it is abnormal Check Indoor unit fan motor SERVICE PARTS INFORMATION 5...

Страница 63: ...unt Type CNC01 UTY TWBXF Trouble shooting 3 INDOOR UNIT Error Method Wired Remote Controller Communication Error Indoor unit controller PCB Wired remote controller When the indoor unit cannot properly receive the signal from Wired Remote Controller for 1 minutes or more Detective Actuators Detective details Indicate of Display Forecast of Cause 02 18 Indoor Unit Outdoor Unit Operation lamp 1 time ...

Страница 64: ...15sec 1 Connection failure 2 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 OK OK Check Point 3 Replace Controller PCB If Check Point 2 do not improve the symptom change Controller PCB Trouble shooting 4 INDOOR UNIT Error Method External Communication Error Detective Actuators For AR G LSLAP Detective det...

Страница 65: ... failure Check correct the followings Check the connection of terminal between Wired Remote Controller and indoor unit and check if there is a disconnection of the cable If it is DC12V Home Controller is failure Main PCB is normal Replace Home Controller If it is DC 0V Main PCB is failure Check Home Controller once again Replace Main PCB SERVICE PARTS INFORMATION 10 Check Voltage at terminal 1 3 C...

Страница 66: ...eplace Main PCB If Test 1 do not improve the symptom replace Main PCB of Outdoor unit SERVICE PARTS INFORMATION 10 Trouble shooting 6 INDOOR UNIT Error Method Indoor Unit Capacity Error All indoor unit The total capacity of the indoor unit if it is install beyond Detective Actuators Detective details Indicate of Display Forecast of Cause 02 21 Indoor Unit Outdoor Unit Operation lamp 2 time Flash E...

Страница 67: ...B 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 I were not existing same address The duplicated address number is not existing in one RCgroup Trouble shooting 7 INDOOR...

Страница 68: ...t 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 Trouble shooting 8 INDOOR UNIT Error Method Connection Unit Number Error Indoor unit in Wired RC Error Detective Actuators Detective details Forecast of Cause Indicate or Display Outdoor Unit No indication Indoor Unit Operation lamp 2 t...

Страница 69: ...f 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 the all contents There is a limit in a number of rewriting Change Controller PCB Check all connectors loose connector or incorrect wiring Check any shortage or corrosion on PCB Trouble shooting 9 INDOOR UNIT Error Method...

Страница 70: ... If Test 1 do not improve the symptom replace Controller PCB and Indicator PCB Trouble shooting 10 INDOOR UNIT Error Method Manual Auto Switch Error Indoor unit controller PCB Indicator PCB When the Manual Auto Switch becomes ON for consecutive 60 seconds or more Detective Actuators Detective details Indicate of Display Manual auto switch Forecast of Cause 02 25 Indoor Unit Outdoor Unit Operation ...

Страница 71: ...PCB After turning off the power supply check correct the followings If the Check point 1 is ok replace the communication PCB Check Point 3 Replace the controller PCB If condition is doesn t change replace the controller PCB Trouble shooting 11 INDOOR UNIT Error Method Indoor Unit Communication Circuit WRC Error Detective Actuators Detective details Forecast of Cause 02 26 Indicate or Display Outdo...

Страница 72: ...im duct circuit diagram Connector connection BLACK BLACK 3 4 CN4 1 2 3 4 1 2 BLACK BLACK BLACK BLACK BLACK BLACK 1 2 1 2 CN3 CN1 1 2 3 1 2 3 RED WHITE H E Thermistor Room Temp Thermistor BLACK BLACK BLACK BLACK 1 2 1 2 3 1 2 3 1 2 3 1 2 1 2 1 2 3 1 2 1 1 2 2 CN5 CN8 GR GRAY GRAY AY GRAY 1 2 CN7 Trouble shooting 12 INDOOR UNIT Error Method Indoor Room Thermistor Error Indoor unit controller PCB cir...

Страница 73: ...mistor is open or short is detected always Detective Actuators Detective details Indicate of Display Forecast of Cause 02 28 Indoor Unit Outdoor Unit Operation lamp 4 time Flash ERROR CODE E 42 Timer lamp 2 time Flash Light ON Light OFF n n time blinking Compact wall mount circuit diagram Connector connection H E MID Thermistor Room Temp Thermistor Room Temp Thermistor H E Thermistor Compact casse...

Страница 74: ...do not improve the symptom replace Controller PCB Test 3 Check Indoor unit fan motor Check Indoor unit fan motor If Indoor unit fan motor is abnormal replace Indoor unit fan motor OK Test 5 Replace Controller PCB If Check Point 4 do not improve the symptom replace Controller PCB Trouble shooting 14 INDOOR UNIT Error Method Indoor Unit Fan Motor Error Indoor unit controller PCB Indoor unit fan moto...

Страница 75: ...ontroller PCB and execute the check operation again Attention Wall mount Compact wall mount Universal Floor Ceiling type does not have a float switch In this case replace Controller PCB and set up the original address Please refer to OK OK Test 3 Check Drain Hose Check Drain Hose If there is Hose clogging Please clear the clog Trouble shooting 15 INDOOR UNIT Error Method Drain Pump Error Indoor un...

Страница 76: ...n of limit switch any blocking by dust etc Remove Limit switch and check ON OFF switching operation by using a meter If Limit switch is detective replace it Check loose contact of CN18 shorted wire pinched wire Replace Limit switch if the wire is abnormal Check Point 2 Check Point 3 Check Damper OK OK Replace Damper if the damper is abnormal If Check Point 1 3 do not improve the symptom change Con...

Страница 77: ...it switch any blocking by dust etc Remove Limit switch and check ON OFF switching operation by using a meter If Limit switch is detective replace it Check loose contact of CN18 shorted wire pinched wire Replace Limit switch if the wire is abnormal OK OK If Check Point 1 2 do not improve the symptom change Controller PCB Trouble shooting 17 INDOOR UNIT Error Method Damper OPEN CLOSE Simultaneous De...

Страница 78: ...ormal If Test 1 2 do not improve the symptom change Controller PCB OK Remove Micro switch and check ON OFF switching operation by using a meter OK Trouble shooting 18 INDOOR UNIT Error Method Intake Grille Error Indoor unit controller PCB Micro switch When the Micro switch detected open while running the compressor Detective Actuators Detective details Indicate of Display Forecast of Cause 02 33 I...

Страница 79: ...nically To change the contents it uses higher voltage than normal and it can not change a partial contents Rewriting shall be done upon erasing the all contents There is a limit in a number of rewriting If Test 1 2 do not improve the symptom replace Main PCB SERVICE PARTS INFORMATION 10 Check all connectors loose connector or incorrect wiring Check any shortage or corrosion on PCB OK NO YES Troubl...

Страница 80: ...k 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 Test 1 1 Turn the power on again Error displayed again Test 2 Replace Main PCB If Test 1 do not improve the symptom replace Main PCB Outdoor unit SERVICE PARTS INFORMATION 10 Indoor Unit Outdoor Unit Operation lamp time Fl...

Страница 81: ... 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 Test 1 1 Turn the power on again Error displayed again Test 2 Replace Main PCB If Test 1 do not improve the symptom replace Main PCB Outdoor unit SERVICE PARTS INFORMATION 10 Indoor Unit Outdoor Unit Op...

Страница 82: ...line Test 2 Check the wiring Power supply to Filter PCB to Inverter PCB Connector and wiring connection state check Cable open check Test 1 1 Turn the power on again Error displayed again OK OK Test 3 Replace Inverter PCB If Test 1 2 do not improve the symptom replace Inverter PCB Outdoor unit and execute the check operation again OK Test 4 Replace Main PCB If Test 3 do not improve the symptom rep...

Страница 83: ...ve 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 Test 3 Check Active filter module Check Active filter module SERVICE PARTS INFORMATION 8 If Active filter module is abnormal replace it OK OK OK Trouble shooting ...

Страница 84: ...Check Outdoor Fan Motor Refer to Trouble shooting 35 If the Fan Motor is failure replace it Test 4 Check Transistor PCB Check IPM SERVICE PARTS INFORMATION 9 If Test 1 4 do not improve the symptom replace Main PCB SERVICE PARTS INFORMATION 10 OK OK OK Trouble shooting 24 OUTDOOR UNIT Error Method IPM Error Outdoor unit main PCB Compressor When more than normal operating current to IPM in Main PCB ...

Страница 85: ...LACK CN63 1 2 1 2 3 3 4 4 BLACK BLACK BLACK BLACK BLACK BLACK THERMISTOR HEX OUT TEMP THERMISTOR DISCHARGE TEMP THERMISTOR COMP TEMP THERMISTOR OUTDOOR TEMP 6 27 8 70 12 30 26 34 40 01 62 55 100 91 168 60 Resistance Value k 80 70 60 40 17 79 50 30 20 10 0 292 91 531 56 1013 11 10 20 30 Temperature C 3 43 4 60 Resistance Value k 2 60 100 110 2 00 120 90 Temperature C Trouble shooting 25 OUTDOOR UNI...

Страница 86: ...K BLACK CN63 1 2 1 2 3 3 4 4 BLACK BLACK BLACK BLACK BLACK BLACK THERMISTOR HEX OUT TEMP THERMISTOR DISCHARGE TEMP THERMISTOR COMP TEMP THERMISTOR OUTDOOR TEMP Trouble shooting 26 OUTDOOR UNIT Error Method Compressor Thermister Error Outdoor unit main PCB circuit Compressor temperature thermistor When Compressor temperarture thermistor open or short circuit is detected at power ON or while running...

Страница 87: ... 2 1 2 3 3 1 2 1 2 3 3 BLACK BLACK CN63 1 2 1 2 3 3 4 4 BLACK BLACK BLACK BLACK BLACK BLACK THERMISTOR HEX OUT TEMP THERMISTOR DISCHARGE TEMP THERMISTOR COMP TEMP THERMISTOR OUTDOOR TEMP Trouble shooting 27 OUTDOOR UNIT Error Method Heat Ex OUT Thermister Error Outdoor unit main PCB circuit Heat Ex temperature thermistor When Heat Ex temperarture thermistor open or short circuit is detected at pow...

Страница 88: ... 2 1 2 3 3 1 2 1 2 3 3 BLACK BLACK CN63 1 2 1 2 3 3 4 4 BLACK BLACK BLACK BLACK BLACK BLACK THERMISTOR HEX OUT TEMP THERMISTOR DISCHARGE TEMP THERMISTOR COMP TEMP THERMISTOR OUTDOOR TEMP Trouble shooting 28 OUTDOOR UNIT Error Method Outdoor Thermister Error Outdoor unit main PCB circuit Outdoor temperature thermistor When Outdoor temperarture thermistor open or short circuit is detected at power O...

Страница 89: ...f outdoor unit and check terminal voltage at Thermistor DC5 0V AO G45LBLA6 r o F AO G36LBLA5 r o F If the voltage does not appear replace Main PCB CN64 CN65 CN66 BLACK BLACK VALVE THERMISTOR B A VALVE THERMISTOR D C VALVE THERMISTOR E F 2 WAY VALVE A 3 WAY VALVE A 2 WAY VALVE B 3 WAY VALVE B 2 WAY VALVE C 3 WAY VALVE C 2 WAY VALVE D 3 WAY VALVE D 2 WAY VALVE E 3 WAY VALVE E 1 1 2 2 3 3 4 4 5 5 6 6...

Страница 90: ... 80 70 60 40 17 79 50 30 20 10 0 292 91 531 56 1013 11 10 20 30 Temperature C Resistance Value k Temperature C Indoor Unit Outdoor Unit Operation lamp 7 time Flash ERROR CODE E 76 Timer lamp 6 time Flash Monitor A B C D E F 7 Light ON Light OFF n n time blinking 6 AO G45LBLA6 r o F AO G36LBLA5 r o F CN64 CN65 CN66 BLACK BLACK VALVE THERMISTOR B A VALVE THERMISTOR D C VALVE THERMISTOR F E 2 WAY VAL...

Страница 91: ...ing the removed connector or miss wiring reset the power Test 1 2 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 N...

Страница 92: ...0 seconds or more have elapsed since the outdoor unit power was turned on and pressure sensor detected value 5 0V was detected OK Test 3 Check voltage of Main PCB DC5 0V DC OK Test 1 Check the discharge pressure sensor connection state Connector connection state check Cable open check Test 2 Check the discharge pressure sensor Sensor characteristics check For the characteristics of the discharge p...

Страница 93: ...or Heat Exchanger Upon the temperature coming down restart operation Test 2 Check Outdoor Fan Is the Fan rotating by hand when operation is off If the Fan Motor is locked replace it OK OK OK Trouble shooting 33 OUTDOOR UNIT Error Method Over Current Error Outdoor unit main PCB circuit Compressor Protection stop by overcurrent generation after inverter compressor start processing completed generate...

Страница 94: ...change Compressor OK OK For Compressor Terminal Main PCB Trouble shooting 34 OUTDOOR UNIT Error Method Compresor Control Error Outdoor unit main PCB Compressor While running the compressor if the detected rotor location is out of phase with actual rotor location more than 105 the compressor stops After the compressor restarts if the same operation is repeated within 40 sec the compressor stops aga...

Страница 95: ...uipment that causes heat Upon the temperature coming down restart operation RED BROWN YELLOW WHITE 15 1 5V White Black 260 400V Red Black Check Outdoor unit fan motor PARTS INFORMATION 6 If Outdoor Fan Motor is abnormal replace Outdoor fan motor and Main PCB OK Trouble shooting 35 OUTDOOR UNIT Error Method Outdoor Unit Fan Motor Error Outdoor unit main PCB circuit Outdoor unit fan motor When outdo...

Страница 96: ...fer to Trouble shooting 12 13 If defective replace the thermistor Test 4 Check the voltage of 4 way valve Check the CN202 voltage of Main PCB Check if AC198V AC220V 10 264V AC240V 10 appears at CN 202 of Main PCB Heating operation If it is not voltage Replace Main PCB SERVICE PARTS INFORMATION 10 Cooling operation If it is voltage Replace Main PCB SERVICE PARTS INFORMATION 10 OK OK OK OK OK Troubl...

Страница 97: ...EV Coil Test 4 Check the output of EEV on the Main PCB Check if the DC12V is on between the Pin No 1 of CN111 115 and GND Pin Disconnect the wire of EEV when you check the output of EEV Test 5 Noise momentary open voltage drop 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 p...

Страница 98: ...in PCB failure EEV open Test 2 Check the EEV strainer Test 2 Check the EEV strainer Strainer clogging check SERVICE PARTS INFORMATION 3 EEV open Strainer clogging check SERVICE PARTS INFORMATION 3 If the 3 way valve gas side was closed open the 3 way valve gas side and check operation Motor check SERVICE PARTS INFORMATION 6 Check if fan can be rotated by hand Test 3 Check the outdoor unit fan heat...

Страница 99: ...heck the EEV strainer Test 2 Check the EEV strainer Strainer clogging check SERVICE PARTS INFORMATION 3 EEV open Strainer clogging check SERVICE PARTS INFORMATION 3 If the 3 way valve gas side was closed open the 3 way valve gas side and check operation Motor check SERVICE PARTS INFORMATION 6 Check if fan can be rotated by hand Test 3 Check the outdoor unit fan heat exchanger OK OK OK OK 1 3 way v...

Страница 100: ...it fan motor SERVICE PARTS INFORMATION 5 If it is normal replace Controller PCB If it is abnormal replace Indoor unit fan motor and Controller PCB If the symptom does not change by above Check 1 2 3 replace Main PCB of Outdoor unit SERVICE PARTS INFORMATION 10 Check Voltage at terminal 1 3 of Controller PCB or Communication PCB Power supply to Remote Control Compact Cassette Slim Duct Universal Fl...

Страница 101: ...ny 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 voltage of power supply Check if AC198 264V appears at Outdoor Unit Terminal L1 L2 Check Fuse in Main PCB If Fuse is open check if the wiring between Terminal and Main PCB is loose and replace Fuse Check Active Filter Module PARTS I...

Страница 102: ...ght Measure Gas Pressure and if there is a leakage correct it Check EEV SERVICE PARTS INFORMATION 3 Strainer normally does not have temperature difference between inlet and outlet as shown in but if there is a difference like shown in there is a possibility of inside clogged In this case replace Strainer Check Compressor SERVICE PARTS INFORMATION 1 2 When recharging the refrigerant make sure to pe...

Страница 103: ...ogged Check Gas pressure and correct it if there was a gas leak Diagnosis method when water leak occurs Is Drain hose connection loose Is there a trap in Drain hose Is Drain Hose clogged Is Main unit installed in stable condition Is Fan rotating Is Main unit broken or deformed at the time of transportation or maintenance Is Fan broken or deformed Is the installation of Air suction grille and front...

Страница 104: ...Point 1 Check the connection Check any loose 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 ...

Страница 105: ... When the Setting button becomes 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...

Страница 106: ...outgoing Please the inquiry to Wireless LAN router maker Check Point 3 Turn on power 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 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 ...

Страница 107: ...er LED status If the wireless transmission from the Wireless LAN Router has not been outgoing Please the inquiry to Wireless LAN router maker Check Point 3 1 Turn on power 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 ...

Страница 108: ... 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 65 Pairing method refer to page 02 66 Check Point 5 Replace Controller PCB If Che...

Страница 109: ...y loose 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 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...

Страница 110: ...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 65 ...

Страница 111: ...r via breaker or plug 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 app To control 2 or more air conditioners with the same smartphone or tablet PC repeat the setup of the chosen mod...

Страница 112: ...s there open or loose connection cable Is Gas Pipe Valve open Low Pressure is too low Check if Strainer is clogged PARTS INFORMATION 3 Abnormal noise Check if vibration noise by loose bolt or contact noise of piping is happening Defective Compressor can be considered due to inside dirt clogging or broken component If there is no failure the defect of Compressor can be considered Compression part b...

Страница 113: ... Main PCB 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 SERVICE PARTS INFORMATION 10 U R RED V S WHITE W T BLACK Main PCB TM405 Compressor Resistance Value 0 642 8 20 C Main PCB BLACK WHITE RED TM403 TM404 W T V S Test 3 Replace Main PCB 02 68 ...

Страница 114: ...ALVE COIL E CN115 WHITE YELLOW ORANGE BLUE RED 1 2 3 4 5 1 2 3 4 5 7 7 6 6 EV EXPANSION VALVE COIL F CN116 WHITE YELLOW ORANGE BLUE RED 1 2 3 4 5 1 2 3 4 5 7 7 6 6 EV EXPANSION VALVE COIL A CN111 WHITE YELLOW ORANGE BLUE RED 1 2 3 4 5 1 2 3 4 5 EV EXPANSION VALVE COIL B CN112 WHITE YELLOW ORANGE BLUE RED 1 2 3 4 5 1 2 3 4 5 EV EXPANSION VALVE COIL C CN113 WHITE YELLOW ORANGE BLUE RED 1 2 3 4 5 1 2...

Страница 115: ... between inlet and outlet as shown in but if there is a difference as shown in there is a possibility of inside clogged In this case replace Strainer Test 2 Check Coil of EEV Yellow Blue Blue Orange White Red Read wire 46 Resistance value Test 3 Check Voltage from Main PCB at 20 C Remove connector check each winding resistance of Coil If Resistance value is abnormal replace EEV Remove Connector an...

Страница 116: ...r connected to the Main PCB measure the voltage between CN 92 2 3 of the Main PCB CN92 PS Discharge pressure sensor Characteristics of pressure sensor 4 5 5 0 0 5 0 Output DCV Pressure MPa 1 RED WHITE BLACK 3 2 SERVICE PARTS INFORMATION 4 Discharge pressure sensor ...

Страница 117: ...door fan motor and Controller PCB SERVICE PARTS INFORMATION 5 Indoor unit fan motor 02 72 Pin number wire color Terminal function symbol 1 Blue 2 Yellow 3 White 4 Black 5 6 Red Feed back FG Speed command Vsp Control voltage Vcc Ground terminal GND No function DC voltage Vm Pin number wire color Terminal function symbol 1 Brown 2 Yellow 3 White 4 Black 5 6 Red Feed back FG Speed command Vsp Control...

Страница 118: ...ircuit test Vm and GND terminal Vm DC voltage GND Ground terminal If they are short circuited below 300 k replace Outdoor fan motor and Main PCB SERVICE PARTS INFORMATION 10 Pin number wire color 1 Red 2 4 Black 5 White 6 Yellow 7 Brown DC voltage Vm No function 3 No function Ground terminal GND Control voltage Vcc Speed command Vsp Feed back FG Terminal function symbol SERVICE PARTS INFORMATION 6...

Страница 119: ...HI LACT33020 HITACHI PM 604 FGEL PM 703 FGEL PM 601 FGEL 360k 20 0 900k 20 1 01M Ref value 1 0 76M Ref value 2 540k 20 1 65M Ref value 1 1 14M Ref value 2 LOT No 1302931396 LOT No 1302931395 PM 601 FGEL B e p y T A e p y T Table 1 Each type standard value multimeter IN N1 N IN IN N1 N is FGEL terminal name L2 P P L2 Terminal Resistance value 1 32M Ref value 1 0 66M Ref value 2 1 01M Ref value 1 0 ...

Страница 120: ...he tester to the Resistance mode and measure the resistance between the following terminals Set the tester to the Diode mode and measure the voltage value between the following terminals Judge the result of as follows Judge the result of as follows IC400 30 P TM403 U TM404 V TM405 W IC400 24 N TM403 U TM404 V TM405 W P P P U V W N N N U V W U V W P P P U V W N N N Over 2k Including Over 2k Includi...

Страница 121: ...s Repair history have been described on the service label refer to Fig 1 Is LED lights on the Main PCB IIs the wiring there is a mistake refer to Fig 2 Example when the 4 indoor units are connected Fig 1 SERVICE LAVEL Repair history Ex Reverse connection of Terminal B and Terminal C Fig 2 Display of CHECK RUN operation Check results Ex Reverse connection of Terminal B and Terminal C After the Main...

Страница 122: ...June 2017 Printed in Japan 3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...

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