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2. TROUBLESHOOTING

02-01

2-1 ERROR DISPLAY

Please refer the flashing pattern as follows.

Indoor Unit : Model 07 / 09 / 12

The Operation, Timer and Economy lamps operate as follows according to the error contents.

Manual auto switch error

Room temp. sensor error

Indoor unit PCB model information error

Error Contents

Continuous

4 times

Continuous

2 times

3 times

5 times

Continuous

1 times

Trouble

shooting

(Green)

(Orange)

(Green)

1 times

Serial communication error

Indoor unit fan motor error

Indoor unit Heat Ex. middle temp.

sensor error

Continuous

4 times

2 times

Continuous

1 times

5 times

Outdoor unit main PCB model

information error or communication error

Continuous

2 times

6 times

Continuous

4 times

7 times

6 times

1 times

Continuous

7 times

3 times

Continuous

7 times

4 times

Continuous

PFC circuit error

Discharge temp. sensor error

Outdoor unit Heat Ex. liquid temp.

sensor error

Outdoor temp. sensor error

1,2

Continuous

8 times

4 times

Current sensor error

Continuous

5 times

9 times

Compressor rotor position detection error

4 times

9 times

4-way valve error

1 times

10 times

Discharge temp. error

Trip detection

Continuous

5 times

6 times

Trip terminal L error

Indoor Unit Display

[ ]

Operation

Timer

Economy

Outdoor unit fan motor error

Continuous

7 times

9 times

Содержание G07LMCA

Страница 1: ... AS G14LMCA AO G12LMCA AO G14LMCA ASYG07LMCE ASYG09LMCE AOYG07LMCE AOYG09LMCE ASYG12LMCE ASYG14LMCE AOYG12LMCE AOYG14LMCE ASYG07LMCE R ASYG09LMCE R AOYG07LMCE R AOYG09LMCE R ASYG12LMCE R ASYG14LMCE R AOYG12LMCE R AOYG14LMCE R Models SERVICE INSTRUCTION R410A RSG07LMCA RSG09LMCA ROG07LMCA ROG09LMCA RSG12LMCA RSG14LMCA ROG12LMCA ROG14LMCA ...

Страница 2: ... 01 02 01 03 01 04 01 05 01 07 01 08 01 09 01 10 01 13 01 13 01 13 01 14 01 14 01 14 01 15 01 15 18 10 C HEAT OPERATION 01 15 01 15 21 POWERFUL OPERATION 01 16 23 OFF DEFROST OPERATION CONTROL 22 DEFROST OPERATION CONTROL 01 17 01 19 24 VARIOUS PROTECTIONS 01 20 01 13 2 TROUBLE SHOOTING 2 1 ERROR DISPLAY 2 1 1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY 2 1 2 WIRED REMOTE CONTROLLER DISPLAY OP...

Страница 3: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...

Страница 4: ...Table1 However the maximum frequency is limited in the range shown in Fig 1 based on the indoor fan mode and the outdoor temperature If the room temperature is some degrees lower than a set temperature the compressor will be stopped 12 A zone 96rps 61rps 51rps 33rps B zone 96rps 61rps 51rps 33rps C zone 96rps 61rps 51rps 33rps D zone 68rps 54rps 48rps 33rps E zone 68rps 54rps 48rps 33rps F zone 68...

Страница 5: ...r operation frequency will attain to maximum performance If the room temperature is some degrees higher than a set temperature the compressor will be stopped When the room temperature is between 2 5 C to 3 C of the setting temperature the compressor frequency is controlled within the range shown in Table 3 However the maximum frequency is limited shown in Table 4 based on the fan mode Table 3 Comp...

Страница 6: ...ompressor is driven the indoor unit shall run at operation frequency of 64rps 07 09 type 61rps 12 14 type for a minute Ts 0 5 C Ts 1 5 C Ts 0 5 C Ts 1 5 C Table 5 Compressor frequency in Dry mode Fig 2 Compressor control based on room temperature Operating frequency 37rps 28rps 0rps X zone J zone Y zone Operating frequency J zone Y zone X zone 33rps 25rps 0rps 12 14 X zone J zone Y zone Roomtemper...

Страница 7: ...other than auto changeover operation NO NO Thermostat remains in OFF state for 6 minutes or longer System stops or operation command other than auto changeover operation YES YES When the air conditioner is set to the AUTO mode by remote control operation starts in the optimum mode from among the Heating Cooling Dry and Monitoring modes During operation the optimum mode is automatically switched in...

Страница 8: ...able 6 During the dry mode operation the fan speed setting can not be changed Hi Me Me Lo Quiet S Lo Cool air prevention Powerful 1380 1420 1320 1360 1280 1330 1160 1220 980 1040 710 770 600 600 480 480 Operation mode Air flow mode Speed rpm Cooling Fan Dry X zone 680 750 J zone 660 730 Hi Me Lo Quiet Soft Quiet Powerful 1380 1420 1320 1360 1160 1220 930 990 680 750 600 670 Note during Economy ope...

Страница 9: ...ds have passed after defrost operation is released the fan runs according to cool air preventtion control 7 MOISTURE RETURN PREVENTION CONTROL Cooling mode Dry mode 9 DEFROST OPERATION Switch the airflow at cooling mode and the indoor fan motor will run as shown in Fig 7 It depends on the Function setting Indoor unit fan control for energy saving 8 INDOOR UNIT FAN CONTROL FOR ENERGY SAVING Cooling...

Страница 10: ...Outdoor Fan Motor 2 Fan Speed AC Motor DC Motor 07 09 12 14 Following table shows the type of the outdoor fan motor The control method is different between AC motor and DC motor Table 8 Type of Motor 07 09 12 900rpm Cooling Heating 07 09 12 Y Z Zone Refer to Fig 8 rpm F G Y Z F G Dry 260 230 200 250 200 150 330 280 230 730 650 580 470 860 780 720 680 470 860 470 330 900 650 580 470 730 470 900 760...

Страница 11: ...automatically return to position 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 becom...

Страница 12: ...ency Frequency Frequency Frequency Frequency Frequency Frequency Time Time Time Time Time 07 09 80sec 140sec 200sec 380sec 12 60sec 100sec 140sec Time 97rps 108rps Frequency Time 6 Frequency Time 6 119rps 200sec 410sec 350sec 3 LIMITATION OF COMPRESSOR FREQUENCY BY OUTDOOR TEMPERATURE The minimum compressor frequency is limited by outdoor temperature as shown in the Table13 Under Over Under Over U...

Страница 13: ...ation mode Stop mode Set time of timer The program timer allows the OFF timer and ON timer to be used in combination one time Operation mode Operation will start from the timer setting either OFF timer or ON timer whichever is closest to the clock s current timer setting The order of operations is indicated by the arrow in the remote control unit s display SLEEP timer operation cannot be combined ...

Страница 14: ...ion In the cooling operation mode When the sleep timer is set the setting temperature is increased 1 C It increases the setting temperature another 1 C after 1 hour After that the setting temperature is not changed and the operation is stopped at the time of timer setting Ts 1 C 2 C Set 60min In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 C It decr...

Страница 15: ...er function 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...

Страница 16: ...ting mode the compressor is stopped and the four way valve is switched in 2 minutes and 20 seconds later after the compressor stopped 12 PREVENT TO RESTART FOR 3 MINUTES 3 MINUTES ST 13 FOUR WAY VALVE EXTENSION SELECT 11 TEST OPERATION CONTROL Operation method The outdoor unit may not operate depending on the room temperature In this case keep on pressing the MANUAL AUTO button of the indoor unit ...

Страница 17: ...TION is set the operation is controlled as shown in Table18 When the power was interrupted by a power failure etc during operation the operation contents at that time are memorized and when power is recovered operation is automatically started with the memorized operation contents When the power is interrupted and recovered during timer operation since the timer operation time is shifted by the ti...

Страница 18: ... temp 1 C Setting temp 1 C Table 20 When the outdoor heat exchanger temperature is lower than 5 C and the all operation has been stopped for 30 minutes power is applied to the compressor and the compressor is heated By heating the compressor warm air is quickly discharged when operation is started When operation was started and when the outdoor temperature rises to 7 C or greater preheating is end...

Страница 19: ...imum power as shown in Table22 Release Condition is as follows Cooling Dry Room tenperature Setting temperature 1 C or Operation time has passed 20 minutes COMPRESSOR FREQUENCY Maximum FAN CONT MODE Powerful SETTING LOUVER Cooling Dry 3 Heating 6 Table22 Powerful operation Heating Room tenperature Setting temperature 2 C and Operation time has passed 20 minutes ...

Страница 20: ...inuous 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 Normal defrost Compressor integrating operation time Less than 25 minutes More than 25 minutes Does not operate Outdoor heat exchanger temp 17 C at outside air temp 10 C Outdoor heat exchanger temp Outside air temp 7 C or Outdoor heat exchanger temp ...

Страница 21: ... ON time Maximum 15 minutes Defrost end Outdoor HEX temp Below 17 C Outdoor HEX temp Outside air temp Below 7 C or Outdoor HEX temp Below 20 C Integrating defrost Defrost Indicator Operation lamp 7 sec ON 2 sec OFF Defrost start Normal defrost Outside air temp 10 C Outside air temp 10 C Compressor OFF count 40 times Less than 10min Compressor integrating operation Over 240 min Outdoor heat exchang...

Страница 22: ...ndicater Operation lamp 7 sec ON 2 sec OFF Outdoor heat exchanger temperature Over 16 C or Compressor ON time Over 15 minutes Defrost end 2 OFF DEFROST END CONDITION Release Condition Outdoor heat exchanger temperature sensor value is higher than 16 C or Compressor operation time has passed 15 minutes In heating operation the outdoor heat exchanger temperature is less than 4 C compressor continuou...

Страница 23: ...EASE CONTROL The compressor frequency is controlled so that the outdoor unit input current does not exceed 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 release value Table 26 Current release operation value Release value 01 20 Heating OT Outd...

Страница 24: ...stopped and trouble display is performed 5 HIGH TEMPERATURE RELEASE CONTROL HEATING MODE 01 21 Outdoor temperature Over than 10 C 1 or 12 C 2 Less than 10 C 1 or 12 C 2 1 When the temperature rises 2 When the temperature drops 4 C 7 C 13 C Temperature Temperature On heating mode the compressor frequency is controlled as following based on the detection value of the indoor heat exchanger temperatur...

Страница 25: ...2 TROUBLE SHOOTING R410A WALL MOUNTED type INVERTER ...

Страница 26: ... 1 times 5 times Outdoor unit main PCB model information error or communication error Continuous 2 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 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 17 18 19 Co...

Страница 27: ...ve 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 AC207V AC230V 10 253V AC230V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Seria...

Страница 28: ...oose 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 AC207V AC230V 10 253V AC230V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Forward Transfer Signal Check Serial...

Страница 29: ...ar the power 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 Rewri...

Страница 30: ...tive 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 If Manual Auto Switch is disabled on off switc...

Страница 31: ...thermistor open or short circuit is 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 sur...

Страница 32: ...k if connector is removed 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 ci...

Страница 33: ... caught dropped off or locked motor If Fan or Bearing is abnormal replace it 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 02 08 Check Point 4 Replace Controller PCB If Check Point 1 3 do not improve the symptom replace Controller PCB Check Point 3 Check Indoor unit fan mo...

Страница 34: ...e 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 02 09 Indicate or Display Refer to error code table When model information of EEPR...

Страница 35: ... symptom change Main PCB 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 equipm...

Страница 36: ...1 Replace Main PCB Outdoor unit Main PCB 1 Main PCB failure Change Main PCB Trouble shooting 10 OUTDOOR UNIT Error Method Trip terminal L error Indicate or Display Refer to error code table When the signal from FO terminal of IPM in Main PCB is L 0V while the compressor stops ...

Страница 37: ...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 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 circ...

Страница 38: ... if connector is removed 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 02 13 5 C 10 C 87 2 30 C 47 8 20 C 80 C 70 C 60 C 30 C 20 C 10 C 5...

Страница 39: ...roneous 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 02 14 15 C 20 C 205 7 30 C 148 8 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...

Страница 40: ...ternal 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 ground...

Страница 41: ...Replace Main PCB OK Check Point 1 Check connections of Outdoor unit electrical components 1 Defective connection of electric components 2 Outdoor heat exchanger clogged 3 Compressor failure 4 Main PCB failure Check if connector is removed Check if the terminal connection is loose Check erroneous connection Check if cable is open Upon correcting the removed connector or mis wiring reset the power C...

Страница 42: ...ck if cable is open Upon correcting the removed connector or mis wiring reset the power Refer to PARTS INFORMATION 2 For Compressor Terminal Main PCB If the detected rotor location is out of phase with actual rotor location more than 90 the compressor stops After the compressor restarts if the same operation is repeated within 40sec the compressor stops again If and repeats 5 times the compressor ...

Страница 43: ...door 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 permanently Read wire DC voltage 207V AC230V 10 253V AC230 10 White Black 02 18 CN800 1 2 3 4 5 6 7 BLACK FM FAN MOTOR C...

Страница 44: ...alue is 1 88k 2 29k at 20 C If it is Open or abnormal resistance value replace Solenoid Coil 02 19 Solenoid coil 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 Check Point 4 Replace Controller PCB If Check Point 1 3 do not improve the symptom replace Controller PCB Check Point 2 Check each thermistor...

Страница 45: ...e gas side was closed open the 3 way valve gas side and check operation Check Point 1 Check if 2 way valve liquid side is open If the 2 way valve liquid side was closed open the 2 way valve liquid side and check operation OK Detective Actuators Detective details Forecast of Cause Refer to Service Parts Information 3 1 2 3 way valve not opened 2 Capillary tube strainer clogged 3 Outdoor unit operat...

Страница 46: ...ive contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding 02 20 2 3 TROUBLE SHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components NO Check the voltage of power supply Check if AC207 253V appears at Outdo...

Страница 47: ...ure 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 voltage of power supply Check if AC207 253V appears at Outdoor Unit Terminal L N Check Fuse in Main PCB If Fuse is open c...

Страница 48: ...eferring to Installation manual and Data Technical Manual Turn off Power and check correct followings Is there loose or removed communication line of Indoor Unit and Outdoor Unit Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equi...

Страница 49: ...heck 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 clogged Refer to the figure at right Measure Gas pressure and if there is a leakage correct it Check Capillary tube PARTS INFORMATION 3 Strainer normally does not have temperature difference between inlet and outlet as shown in ...

Страница 50: ...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 hose failure Diagnosis method when water is spitting out Is the filter clogged Check Gas pressure and correct it if there was a gas leak Diagnosis method when water leak occurs Is Drain hose conn...

Страница 51: ...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 52: ...verter Compressor 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 26 S V R U RED C W BLACK Terminal cover opened WHITE Resistance Value 1 3 at 20 C ...

Страница 53: ... cable If Resistance value is abnormal replace EEV Remove Connector and check Voltage DC12V 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 Strainer normally does not have temperature difference between inlet and outlet ...

Страница 54: ...heck Point 1 Check rotation of Fan Indoor unit fan motor 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 Point 2 Check resistance of Indoor Fan Motor Refer to below Circuit test Vm and GND terminal Vm DC voltage GND Earth terminal If they are short circuited below 300 k replace Indoor fan motor and Contr...

Страница 55: ...3 APPENDING DATA R410A WALL MOUNTED type INVERTER ...

Страница 56: ...according to the amount of dust or debris in the room If you do not wish the filter sign to be displayed select the setting value for No indication Factory setting Setting Description Function Number Setting Value Standard Slightly lower control Lower control Warmer control 30 00 01 02 03 1 2 Cooling Room Temperature Correction Depending on the installed environment the room temperature sensor may...

Страница 57: ...p mode 46 00 01 02 1 7 External input control Operation Stop mode or Forced stop mode can be elected Factory setting Setting Description Function Number Setting Value No Yes 49 00 01 1 8 Indoor unit fan control for energy saving Enable or disable indoor unit fan control when the outdoor unit is stopped If setting value is 00 Room temperature is controlled by the indoor unit temperature sensor If s...

Страница 58: ...utton again to return to the function number selection Selecting the Function Number and Setting Value 5 Next please press the START STOP button Please confirm that the beep sounds 6 Press the RESET button to cancel the function setting mode 7 After completing the FUNCTION SETTING be sure to turn off the power and turn it on again CAUTION After turning off the power wait 10 seconds or more before ...

Страница 59: ...the SET TEMP buttons to change the signal code between Match the code on the display to the air conditioner signal code If no buttons are pressed within 30 seconds after the signal code is displayed the system returns to the original clock display In this case start again from step 1 The air conditioner signal code is set to A prior to shipment CAUTION 1 Press the START STOP button until only the ...

Страница 60: ... 30 0 41 33 35 0 33 64 40 0 27 26 45 0 22 33 50 0 18 40 55 0 15 23 60 0 12 68 65 0 10 60 70 0 8 909 75 0 7 518 80 0 6 375 85 0 5 427 90 0 4 639 95 0 3 981 100 0 3 430 105 0 2 965 110 0 2 573 115 0 2 239 120 0 1 956 0 07 0 09 0 13 0 17 0 22 0 28 0 36 0 45 0 56 0 69 0 84 1 01 1 20 1 39 1 61 1 84 2 07 2 30 2 53 2 75 2 97 3 17 3 35 3 53 3 69 3 83 3 96 4 07 4 17 4 27 4 35 Temp C Resistance k Voltage V ...

Страница 61: ...3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...

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