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Trouble shooting 1-1

OUTDOOR UNIT Error Method:

Detective Actuators:

Detective details:

Forecast of Cause:

Indicate or Display:

Outdoor Unit : No indication

Indoor Unit : Operation lamp: 1 time Flash, Timer lamp: 1 time Flash

Economy lamp: Continuous flash.

ERROR CODE : [E : 11]

YES

3
L
N

RED

WHITE

BLACK

1. Connection failure 2. External cause 3. Main PCB failure 4. Outdoor unit fan motor failure

Check Point 1-1 : Reset the power and operate

Does Error indication show again?

Check Point 1-2:

Check external cause such as noise

Check the complete insulation of the grounding.
Check if there is any equipment that causes harmonic wave

near the power cable (Neon light bulb or any electronic

equipment which causes harmonic wave).

Check Point 2 : Check Connection

Check any loose or removed connection line of

Indoor unit and Outdoor unit.

>> 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 (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 L - 3.
>> If it is abnormal, Check Outdoor unit fan motor (PARTS INFORMATION 5)

>> If Outdoor fan motor is abnormal, replace Outdoor unit fan motor and Main PCB.

>> If Outdoor fan motor is normal, replace Main PCB.

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 more than 15seconds during normal operation.

2-2 TROUBLE SHOOTING WITH ERROR CODE

Serial communication error

(Serial Reverse Transfer Error)

Outdoor unit Main PCB

Outdoor unit fan motor

02-10

Содержание AOTG18KMTC

Страница 1: ...SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTEDtype Models Indoor unit Outdoor unit INVERTER ASTG18KMTC ASTG22KMTC ASTG24KMTC AOTG18KMTC AOTG22KMTC AOTG24KMTC 1810S0128 02 2019 02 27 SERVICE INSTRUCTION ...

Страница 2: ...ON CONTROL 23 DEFROST OPERATION CONTROL 01 01 01 02 01 02 01 03 01 04 01 07 01 08 01 09 01 10 01 12 01 12 01 12 01 12 01 13 01 13 01 13 01 13 01 13 20 HUMAN SENSOR 01 14 21 OUTDOOR UNIT LOW NOISE OPERATION 01 14 22 POWERFUL OPERATION 01 14 01 15 01 17 25 VARIOUS PROTECTIONS 01 18 26 DEMAND RESPONSE OPERATION 01 20 01 12 2 TROUBLE SHOOTING 2 1 ERROR DISPLAY 2 1 1 INDOOR UNIT AND WIRED REMOTE CONTRO...

Страница 3: ...DATA 3 1 FUNCTION SETTING 3 1 1 INDOOR UNIT 3 1 2 Procedures to change the Function Setting for wireless RC 03 01 03 01 03 04 3 2 Thermistor Resistance Values 3 2 1 INDOOR UNIT 3 2 2 OUTDOOR UNIT 03 06 03 06 03 06 ...

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

Страница 5: ... D zone E zone F zone 46rps 46rps 46rps 39rps 39rps 39rps 34rps 34rps 34rps 30rps 30rps 30rps 24rps 24rps 24rps 24rps 24rps 24rps 94rps 94rps 94rps 46rps 46rps 46rps 39rps 39rps 39rps 34rps 34rps 34rps 30rps 30rps 30rps 24rps 24rps 24rps 24rps 24rps 24rps 18KMTC Table1 Compressor Frequency Range 01 01 E zone F zone 10 C 0 C 12 C 2 C When the room temperature is between 6 C to 1 C of the setting te...

Страница 6: ...tting temperature the compressor frequency is controlled within the range shown in Table2 Table2 Compressor Frequency Range 01 02 minimum frequency maximum frequency AOTG18KMTC AOTG22KMTC AOTG24KMTC 10rps 10rps 10rps 130rps 130rps 130rps 3 DRY OPERATION 3 1 INDOOR UNIT CONTROL The compressor rotation frequency shall change according to the temperature set temperature and room temperature variation...

Страница 7: ...es The temperature can be set between 18 C and 30 C in 1 C steps START Room temp Ts 2 C COOLING AUTO DRY OPERATION HEATING OPERATION YES YES NO NO NO TS Setting temperature Room temp Ts 2 C Thermostat remains in OFF state for 6 minutes or longer System stops or operation command other than auto changeover operation NO Thermostat remains in OFF state for 6 minutes or longer System stops or operatio...

Страница 8: ...modes Quiet Lo Me Hi as shown in Table4 Fig 3 Airflow change over Cooling Auto 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 mode Me mode Lo mode ASTG22KMTC ASTG24KMTC 1400 1300 1230 1130 900 760 650 520 1400 1300 1130 900 760 650 X zone 760 J zone 670 1450 13...

Страница 9: ...C 34 C Indoor heat exchanger temperature rises Indoor heat exchanger temperature drops 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 Lower speed is selected 7 min later 42 C 30 C 34 C Indoor heat exchanger temperature rises Indoor heat exchanger temperature drops Powerful Hi Lo Cool air prevention 39 C 37 C 37 C 32 C 28 C S L...

Страница 10: ...the fan is stopped if 20 seconds have passed When 60 seconds have passed after defrost operation is released the fan runs according to cool air prevention control 8 DEFROST OPERATION Fig 6 Indoor Fan Control Compressor ON OFF Indoor fan Setting air flow Indoor fan as shown in Table 5 S Lo OFF 10 30 60 180 60 180 60 10 30 SEC Table5 Indoor fan speed X zone J zone ASTG18KMTC ASTG22KMTC ASTG24KMTC 76...

Страница 11: ...Speed AC Motor DC Motor AOTG18 22 24KMTC Following table shows the type of the outdoor fan motor The control method is different between AC motor and DC motor Table6 Type of Motor Cooling Dry Heating Zone rpm AOTG18KMTC Y Z 1200 1170 1000 860 750 700 610 570 510 470 F G 1180 1140 840 800 690 610 550 450 400 1180 600 450 320 1180 320 260 230 1180 220 180 Cooling Dry Heating Zone Refer to Fig 7 AOTG...

Страница 12: ...ration air flow will be horizontal the air direction cannot be adjusted during this period The air flow direction setting will temporarily become when the temperature of the air flow is low at the start of the Heating mode Range Heating mode Fan mode The SWING operation may stop temporarily when the air conditioner s fan is not operating or when operating at very low speeds To select Vertical Airf...

Страница 13: ...CY CONTROL AT START UP The compressor frequency soon after the start up is controlled as shown in the Fig 9 Fig 9 Compressor Control at Start up 01 09 10rps 74rps 10rps 130rps 18rps 24rps 10rps 111rps 10rps 130rps 18rps 24rps Time Time Time Time Time Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Time Time Time Time Time 60sec 140sec 1...

Страница 14: ...ioner will be turned on Operation 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 o...

Страница 15: ...her 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 decreases the setting temperature another 1 C every 30 minutes Upon lowering 4 C the setting temperature is not changed and the operation stops at t...

Страница 16: ...TART STOP button The compressor won t enter operation status for 3 minutes after the compressor is stopped even if any operation is given At the time when the air conditioner is switched from the cooling mode to heating mode the compressor is stopped and the 4 way valve is switched in 3 minutes later after the compressor stopped When the power was interrupted by a power failure etc during operatio...

Страница 17: ...fter 60 minutes of starting operation The FORCED COOLING OPERATION will start as shown in Table13 Hi Horizontal OFF Room Temp is not controlled Manual auto operation 18 10 C HEAT OPERATION The 10 C HEAT operation 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 AUTO ...

Страница 18: ...tomatically revert to the original settings Cool Dry Current release Operation Release value Heat 5 0A 4 5A 5 0A 4 5A ASTG18 22 24KMTC Table 17 90 7 m 7 m 50 50 Vertical angle 90 Side view Horizontal angl e 100 Top view Application range The sensor unit should detect when the human body estimate 100cmX30cm or the object which has more than 4 C temp diﬀerence from the background and are crossed wit...

Страница 19: ...on ST Defrosting after 2 time upon starting operation ND Compressor integrating operation time Compressor integrating operation time Compressor integrating operation time Less than 17 min 17 to 57 min More than 57 min Does not operate 9 C 5 C Less than 40 min More than 40min Does not operate Integrating defrost Constant monitoring More than 240 min For long continuous operation Less than 10min 1 F...

Страница 20: ...w 9 C Outdoor heat exchanger temperature Below 5 C Compressor integrating operation Over 40 min 2nd and later defrost Integrating defrost Constant monitoring Defrost Indicator Operation lamp 6 sec ON 2 sec OFF Defrost start Compressor OFF count 40 times Less than 10min 1st defrost Compressor integrating operation Over 62 min Compressor integrating operation Over 240 min Outdoor heat exchanger temp...

Страница 21: ...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 lamp 6 sec ON 2 sec OFF and Defrost lamp Lighting Outdo...

Страница 22: ...Over Rise Prevention Control Release Temperature Temperature Temperature Temperature 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 ...

Страница 23: ...e stopped and trouble display is performed 5 HIGH TEMPERATURE RELEASE CONTROL HEATING MODE On heating mode the compressor frequency is controlled as following based on the detection value of the indoor heat exchanger temperature sensor 01 19 Indoor heat exchange temperature rises Indoor heat exchange temperature drops Control System It returns to the normal operation 53 C 55 C 63 C 50 C Outdoor te...

Страница 24: ...trical energy that would be consumed if operating at the rated capacity in a half hour period DR mode 3 The air conditioner continues to cool or heat during the Demand Response event but the electrical energy consumed by the air conditioner in a half hour period is not more than 75 of the total electrical energy that would be consumed if operating at the rated capacity in a half hour period Blinki...

Страница 25: ...2 TROUBLE SHOOTING WALL MOUNTED type INVERTER ...

Страница 26: ...CB model information error 2 times 6 times 3 times 6 times Continuous Continuous 4 times 7 times 6 times 1 times Continuous 7 times 3 times Continuous 7 times 4 times Continuous PFC circuit error Inverter error Discharge temp sensor error Outdoor unit Heat Ex liquid temp sensor error Outdoor temp sensor error 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 Continuous 8 times 4 times Current ...

Страница 27: ...ss LAN router CLOUD Mobile App Mobile device Outdoor unit 2 1 2 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 W LAN LED orange operate as follow according to the error contents On Flashing slow On Off 7sec 2sec 32 Trou 29 and Trou 32 are simultaneous Error Error Code 18 No Error 30 N...

Страница 28: ...62 1 62 2 63 1 63 2 64 1 64 3 64 4 64 8 65 3 74 1 84 1 94 1 86 4 97 3 99 1 A1 1 Discharge temp sensor error Trip terminal L error 71 1 13 Outdoor unit Heat Ex liquid temp sensor error Outdoor temp sensor error 73 3 14 95 1 95 3 Discharge temp error Outdoor unit fan motor error 4 way valve error 22 21 18 1 1 1 2 8 9 10 11 15 16 17 19 20 12 Indoor unit fan motor error Outdoor unit main PCB model inf...

Страница 29: ...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 30: ... 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 unregister the mobile device Please notify the MAC address of the WLAN adapter as written on the Wireless LAN label If the problem p...

Страница 31: ...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 to the same network as the air conditioner Connect the mobile device to the same network as the air conditioner then...

Страница 32: ... 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 own the mobile device registered to the air conditioner lost property of previous owner etc please ask your maker service to unregi...

Страница 33: ...e air conditioner is not connected to the router Check the W LAN LED indicators on the air conditioner If the W LAN LED lamp is flashing or off please check the 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 A...

Страница 34: ...ED indicators on the air conditioner If the W LAN LED lamp is flashing or off please check the 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 devic...

Страница 35: ...d Outdoor unit 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 Reverse Transfer Signal Check Serial Signal Reverse Transfer Signal Check if Indicate...

Страница 36: ...removed connection line of Indoor unit and Outdoor unit 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 Reverse Transfer Signal Check Serial Signal ...

Страница 37: ...etween remote control and Indoor unit and check if there is a disconnection of the cable Upon correcting the removed connector or mis wiring reset the power Check Voltage at CNC01 terminal 1 3 of UTY TWBXF1 Communication kit Power supply to Remote control If it is DC13V Remote control is failure Controller PCB is normal Replace Remote control If it is DC 0V Controller PCB is failure Check Remote c...

Страница 38: ... 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 1 The outdoor unit receives the serial signal of applied refrigerant information from Indoor unit ...

Страница 39: ...ht 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 shall be done upon era...

Страница 40: ...h 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 If Manual Auto Switch is disabled on off switching replace it Outdoor Unit No indication ...

Страница 41: ...detected 1 Connector connection failure 2 Thermistor failure 3 Controller PCB failure Check if connector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Make sure circuit diagram of indoor unit and...

Страница 42: ...d Check 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 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of indoor ...

Страница 43: ...an 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 condition that actual frequency of Indoor Fan is below 1 3 of target frequency is continued more than 56 seconds Check Point 4 Replace Controller PCB If Check Point 1 3 do not improve the symptom ...

Страница 44: ...y 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 Indicate or Display Outdoor Unit No indication I...

Страница 45: ...nit Operation lamp 6 times Flash Timer lamp 3 times Flash Economy lamp Continuous flash ERROR CODE E 63 OK YES 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 P...

Страница 46: ... 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 harmonic wave Che...

Страница 47: ...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 Outdoor Unit No indication Indoor Unit Operation lamp 6 times Flash Timer lamp 5 times Flash Economy lamp Continuous flash ERROR CODE E 65 02 22 ...

Страница 48: ...oneous 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 Check voltage of Main PCB DC5 0V Make sure circuit diagram of outdoor unit and check t...

Страница 49: ... 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 5 C 10 C 95 6 30 C 50 3 20 C 80 C 70 C 60 C 30 C 20 C 10 C 5 C 0 C 50 C 40 C Indicate or Display Outdoor Unit LED 0 1sec ON 0 ...

Страница 50: ...rrecting 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 15 C 20 C 224 3 30 C 159 7 25 C 35 C 5 2 40 C 4 2 45 C 3 5 50 C 2 8 55 C 30 C 25 C 10 C 5 C 0 C 5 C 10 C 20 C 15 C Indicate or Display Outdoor Unit LED 0 1sec ...

Страница 51: ...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 Point 1 1 Reset Power Supply a...

Страница 52: ...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 high pressure switch C H Pressure high pressure switch 4 2 0...

Страница 53: ... Continuous flash ERROR CODE E 94 1 Outdoor unit fan operation defective foreign matter on 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...

Страница 54: ...r or mis wiring reset the power Refer to PARTS INFORMATION 2 For Compressor Terminal Main PCB 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 40sec the compressor stops again If and repeats 5 times the compressor stops permanently Check Po...

Страница 55: ...rcuit 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 fan motor stops ...

Страница 56: ...alve Remove P60 from PCB and check the resistance value of coil Resistance value is 2780 If it is Open or abnormal resistance value replace Solenoid Coil Cooling or Dry operation Indoor heat exchanger temp Room temp 10degC Heating operation Indoor heat exchanger temp room temp 10degC If the same operation is repeated 5 times the compressor stops permanently Solenoid coil Check each piping temperat...

Страница 57: ... Fan rotating Check by hand and if it is locked replace the motor Check Outdoor Fan Motor If the Fan Motor is defective replace it Check Point 4 Check Discharge Thermistor Isn t it fallen off the holder Is there a cable pinched Check characteristics of thermistor Refer to Trouble shooting 13 If defective replace the thermistor Check Point 2 Check EEV and Strainer Are EEV and Strainer open Refer to...

Страница 58: ...ower 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 33 2 3 TROUBLE SHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components YES YES OK NO Check the voltage of power supply Check if AC198 264V appears at Outdoor unit Terminal L N Chec...

Страница 59: ...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 ...

Страница 60: ...al 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 defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bul...

Страница 61: ...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 62: ...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 63: ... 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 the registration on the Mobile App A...

Страница 64: ...f Check Point 1 2 do not improve the symptom turn on power again of the Air conditioner please wait 60 seconds OK OK 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 Ch...

Страница 65: ...improve the symptom turn on power again of the Air conditioner please wait 60 seconds OK OK 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 improv...

Страница 66: ...c 2sec ERROR CODE 18 Wireless LAN router Check Point 2 Check the connection status and transmission state Check the Wireless transmission state of Wireless LAN router LED status If the wireless transmission from the Wireless LAN Router has not been outgoing Please the inquiry to Wireless LAN router maker Check the connection status to the Internet and Wireless LAN router If the Wireless LAN Router...

Страница 67: ...ioning de registration method refer to page 02 44 Pairing method refer to page 02 45 Check Point 5 Replace Controller PCB If Check Point 4 do not improve the symptom replace controller PCB OK OK CONTINUATION OK 02 42 Check Point 3 2 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 When the flashin...

Страница 68: ...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 CN6 Pin 1 12V Pin 4 GND of Controller PCB If it is DC 0V Controller PCB is failure Repl...

Страница 69: ...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 44 ...

Страница 70: ...martphone or tablet PC repeat the setup of the chosen mode Air conditioner registration Paring Method 02 45 Manual mode For Android OS Lighting pattern On Blinking Any state NOTES If you do not press any buttons of the remote controller for 60 secon ds the remote controller display will return to the original display 1 Press on the remote controller until only the clock is displayed on the remote ...

Страница 71: ...the PIN code written on the W LAN adapter Pass word Connect device AP XXXX xxxxxxxxxxxx 12 Select the WLAN Access Point you are connecting to Input the WLAN Access Point password then press Connect device Home AP Pass word WLAN Acces s Points XY Z AP ABC1 23 Connect device on the indoor unit will turn on The setting is complete Button Mode Manual Mode ...

Страница 72: ... clock is displayed on the remote controller display 2 Launch the mobile app 3 Sign in with your Email address and password following the screen on the mobile app E mail Address P as sword S ign In 4 Press to add a new air conditioner 5 Press down on the remote controller for more than 5 seconds will be displayed on the remote controller display Remote controller display 6 Press 7 Select using Rem...

Страница 73: ... X X x x x x x x x x x x x x In upper case letters In lower case letters 12 characters PIN PIN code is not available for some models AP XXXX xxxxxxxxxxxx 12 Select the WLAN Access Point you are connecting to Input the WLAN Access Point password then press Connect Home AP Pass word WLAN Acces s Points XY Z AP ABC1 23 Connect on the indoor unit will turn on The setting is complete Reg istration is n...

Страница 74: ...e clock is displayed on the remote controller display 2 Launch the mobile app 3 Sign in with your Email address and password following the screen on the mobile app E mail Address P as sword S ign In 4 Press to add a new air conditioner 5 Press down on the remote controller for more than 5 seconds will be displayed on the remote controller display Remote controller display 6 Press 7 Select using Re...

Страница 75: ...1 Input the PIN code written on the W LAN adapter Password Connect device AP XXXX xxxxxxxxxxxx 12 Select the WLAN Access Point you are connecting to Input the WLAN Access Point password then press Connect Home AP Password WLAN Access Points XYZ AP ABC123 Connect on the indoor unit will turn on The setting is complete Registration is now complete Button Mode Manual Mode ...

Страница 76: ...ail address and password following the screen on the mobile app Email Address Password Sign In 4 Press to add a new air conditioner Android iOS 5 Select Button mode on the screen on the mobile app 6 Press the WPS button on the wireless router that you are connecting to Refer to the operating manual of the wireless router for the location of the button and how to press it Wireless router 7 Press do...

Страница 77: ... point the blinking will become slowly NOTES Before proceeding to the next step be sure to check that the blinking pattern has changed 11 Press Register on the screen on the mobile app to start the connection with the wireless router on the indoor unit will turn on The setting is complete Registration is now complete Register ...

Страница 78: ...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...

Страница 79: ...or Check terminal connection 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 54 S V R U RED T W BLACK Terminal cover opened WHITE AOTG18 22 24KMTC Resistance Value 1 916 at 20 C AOTG18 22 24KMTC ...

Страница 80: ...le 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 has no temp difference between Inlet a...

Страница 81: ...Vm No function No function Earth terminal GND Control voltage Vcc Speed command Vsp Feed back FG Pin number wire color Terminal function symbol 1 Red 2 3 4 Black 5 White 6 Yellow 7 Brown or Blue DC 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 ...

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

Страница 83: ... the Standard setting 00 manufacturer s recommended value 3 1 1 INDOOR UNIT Factory setting Setting Description Function Number Setting Value Standard 400 hours Long interval 1000 hours Short interval 200 hours No indication 11 00 01 02 03 1 1 Filter Sign Select appropriate intervals for displaying the fi lter sign on the indoor unit according to the estimated amount of dust in the air of the room...

Страница 84: ... remote controller screen 1 3 Room temperature control for wired remote controller sensor Factory setting Factory setting Setting Description Function Number Setting Value Enable Disable 40 00 01 Setting Description Function Number Setting Value Indoor unit Both 42 00 01 1 4 Auto Restart Enable or disable automatic restart after a power interruption 1 5 Room temperature sensor switching Only for W...

Страница 85: ...etting 1 9 Indoor unit fan control for energy saving for cooling Enables or disables the power saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation 00 When the outdoor unit is stopped the indoor unit fan operates continuously following the setting on the remote controller 01 When the outdoor unit is stopped the indoor unit fan operat...

Страница 86: ...roceed to setting value Press the POWERFUL button again to return to the function number selection 3 Press the TEMP buttons to select the setting value Press the 10 C HEAT button to switch between the left and right digits Selecting the Function Number and Setting Value 6 After completing the FUNCTION SETTING be sure to turn off the power and turn it on again CAUTION After turning off the power wa...

Страница 87: ...t custom code initially set to 4 Press the MODE button again to return to the clock display The custom code will be changed If no buttons are pressed within 30 seconds after the custom code is displayed the system returns to the original clock display In this case start again from step 1 The air conditioner custom code is set to A prior to shipment Use the following steps to select the custom code...

Страница 88: ... 0 28 0 0 168 6 0 36 129 8 0 46 5 0 10 0 100 9 0 57 15 0 79 1 0 71 20 0 62 6 0 86 25 0 49 8 1 03 30 0 40 0 1 23 35 0 32 4 1 43 40 0 26 3 1 65 45 0 21 6 1 88 50 0 17 8 2 11 55 0 14 8 2 34 60 0 12 3 2 57 65 0 10 3 2 79 70 0 8 7 3 00 75 0 7 4 3 19 80 0 6 3 3 37 85 0 5 4 3 54 90 0 4 6 3 69 95 0 4 0 3 83 100 0 3 4 3 96 105 0 3 0 4 07 110 0 2 6 4 17 115 0 2 3 4 26 120 0 2 0 4 33 Temp C Resistance k Volt...

Страница 89: ...Jan 2019 Printed in Japan 3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...

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Содержание AOTG18KMTC

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