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4-3. Swing operation

• To select vertical airflow swing operation

When the swing signal is received, the vertical airflow direction louver starts to swing.

– Swinging range

• Cooling mode/dry mode/fan mode: 1 ↔ 4
• Heating mode: 1 ↔ 4

– When the indoor fan is S-LOW or stop mode, the swing operation is interrupted and it stops at

either upper end or bottom end.

4-3. Swing operation

- (04-19) -

4. Louver control

CONTROL AND

FUNCTIONS

CONTROL AND

FUNCTIONS

Содержание AUXG30KRLB

Страница 1: ...ls Indoor unit Outdoor unit AUXG30KRLB AUXG36KRLB AUXG45KRLB AUXG54KRLB RCG30KRLB RCG36KRLB RCG45KRLB RCG54KRLB AO G30KATA AO G36KATA AO G45KATA AO G54KATA ROG30KATA ROG36KATA ROG45KATA ROG54KATA INVERTER SERVICE INSTRUCTION type Cassette ...

Страница 2: ...1 CONTROL AND FUNCTIONS 2020 06 01 SR_CH04_AU006EF_01 ...

Страница 3: ...ation in heating operation stopped 04 26 7 Various control 04 27 7 1 Auto restart 04 27 7 2 10 C HEAT operation 04 27 7 3 ECONOMY operation 04 27 7 4 Fresh air control 04 27 7 5 Compressor preheating 04 28 7 6 External electrical heater control 04 28 7 7 Electronic expansion valve control 04 28 7 8 Drain pump control 04 29 7 9 4 way valve control 04 31 7 10 Human sensor for energy saving 04 31 7 1...

Страница 4: ...8 8 High temperature and high pressure release control 04 36 CONTENTS continued ...

Страница 5: ......

Страница 6: ...ower than a set temperature the compressor will be stopped When the room temperature is within the range of 6 0 C to 1 0 C of the setting temperature the compressor frequency is controlled within the range shown in the table below However the maxi mum frequency is limited in the range shown in the figure below based on the indoor fan mode and the outdoor temperature Compressor frequency range Mode...

Страница 7: ... 54 44 D zone 64 54 44 36 E zone 64 54 44 36 F zone 64 54 44 36 AUXG36KRLB A zone 98 64 49 32 B zone 98 64 49 32 C zone 77 49 40 32 D zone 54 40 34 26 E zone 54 40 34 26 F zone 54 40 34 26 AUXG45KRLB A zone 114 79 61 40 B zone 114 79 61 40 C zone 96 61 49 40 D zone 67 49 42 32 E zone 67 49 42 32 F zone 67 49 42 32 AUXG54KRLB A zone 95 66 51 33 B zone 95 66 51 33 C zone 80 51 41 33 D zone 56 41 35 ...

Страница 8: ...um performance If the room temperature is 1 0 C higher than a set temperature the compressor will be stopped When the room temperature is within the range of 1 0 C to 6 0 C of the setting temperature the compressor frequency is controlled within the range shown below Compressor frequency range Unit rps Model name Minimum frequency Maximum frequency AUXG30KRLB 15 rps 120 rps AUXG36KRLB 15 rps 120 r...

Страница 9: ...requency range Unit rps Model name Outdoor temperature zone Operating frequency AUXG30KRLB X zone 44 J zone 44 Y zone 0 AUXG36KRLB X zone 32 J zone 32 Y zone 0 AUXG45KRLB X zone 40 J zone 40 Y zone 0 AUXG54KRLB X zone 33 J zone 33 Y zone 0 Compressor control based on room temperature Ts 0 5 C Ts 1 5 C Ts 0 5 C Ts 1 5 C X zone J zone Y zone Room temperature drops Room temperature rises Ts Set tempe...

Страница 10: ... 570 630 Special operation Frequency rps I II III IV V VI VII VIII 25 42 53 61 65 75 85 92 Time sec 1 2 3 4 5 6 7 8 225 305 605 665 725 785 855 1 000 NOTES Normal operation Cooling and dry mode Below 3 hours from the compressor stop and the compressor thermistor 15 C After defrost operation Other than when the compressor starts for the first time since the breaker turns on Special operation Other ...

Страница 11: ...600 660 Special operation Frequency rps I II III IV V VI VII VIII IX X 41 46 51 57 60 72 81 91 100 110 Time sec 1 2 3 4 5 6 7 8 9 10 120 185 245 305 605 665 725 785 845 1 000 NOTES Normal operation Cooling and dry mode Below 3 hours from the compressor stop and the compressor thermistor 15 C After defrost operation Other than when the compressor starts for the first time since the breaker turns on...

Страница 12: ...outdoor temperature as below Cooling Dry mode F zone 13 C E zone 7 C D zone C C zone B zone A zone 5 2 C 10 C G zone 21 C J zone 50 C K zone 52 C H zone 31 C I zone 46 C 1 5 Compressor frequency limitation by outdoor temperature 04 7 1 Compressor frequency control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 13: ... A zone 60 rps B zone 57 rps C zone 48 rps D zone 36 rps E zone 27 rps F zone 24 rps G zone 20 rps H zone 20 rps I zone 20 rps J zone 26 rps K zone 30 rps AOYG54KATA A zone 50 rps B zone 47 rps C zone 40 rps D zone 30 rps E zone 22 rps F zone 20 rps G zone 16 rps H zone 16 rps I zone 17 rps J zone 23 rps K zone 28 rps 1 5 Compressor frequency limitation by outdoor temperature 04 8 1 Compressor fre...

Страница 14: ... rps F zone 23 rps G zone 20 rps H zone 17 rps I zone 17 rps AOYG45KATA A zone 55 rps B zone 51 rps C zone 42 rps D zone 39 rps E zone 28 rps F zone 24 rps G zone 21 rps H zone 16 rps I zone 20 rps AOYG54KATA A zone 46 rps B zone 42 rps C zone 35 rps D zone 32 rps E zone 23 rps F zone 20 rps G zone 17 rps H zone 13 rps I zone 16 rps 1 5 Compressor frequency limitation by outdoor temperature 04 9 1...

Страница 15: ...le zone indoor unit operation mode is selected as below Same operation mode is selected as outdoor unit If outdoor unit is operating in cooling and heating mode indoor unit will be operated by the same operation mode Selected by outdoor temperature If outdoor unit is operating in other than cooling and heating mode indoor unit will be op erated according to the outdoor temperature as below Outdoor...

Страница 16: ...tion Middle zone Operation mode of outdoor unit Cooling Outdoor temp 25 C Operation mode before the monitor mode is cooling mode Monitor mode Room temp Ts 2 C No Yes No Yes No Yes No Yes No No Operation mode of outdoor unit Heating Yes Yes No System stops or operation command other than auto changeover operation Yes No Yes No Thermostat remains in off state for 6 minutes or longer Yes No 04 11 2 A...

Страница 17: ...70 J zone 470 X zone 480 J zone 480 1 Fan mode only 2 Cooling mode only Fan operation Airflow can be switched in 5 steps such as AUTO QUIET LOW MED HIGH while indoor unit fan only runs When fan mode is set at AUTO it operates on MED fan speed Cooling operation Switch the airflow AUTO and indoor fan motor will run according to room temperature as below On the other hand if switched in HIGH QUIET in...

Страница 18: ...revention control heating mode The maximum value of the indoor fan speed is set as shown below based on the detected tempera ture by the indoor heat exchanger sensor on heating mode Normal operation 42 C Indoor heat exchanger temperature rises Setting fan mode Cool air prevention S LOW Indoor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 24 C MED or setting fan mode LOW or setting...

Страница 19: ...e return prevention control cooling and dry mode Switch the airflow AUTO at cooling mode and the indoor fan motor will run as shown below Compressor On Off Indoor fan setting airflow S LOW Off 10 30 60 180 60 180 60 10 30 sec Indoor fan speed 3 1 Indoor fan control 04 14 3 Fan control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 20: ...40 8 570 690 7 570 620 6 570 590 5 570 480 4 540 410 3 480 340 2 400 270 1 270 200 S HIGH 830 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fa...

Страница 21: ... 200 S HIGH 990 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fan speed after defrost control 990 rpm 3 2 Outdoor fan control 04 16 3 Fan cont...

Страница 22: ...200 S HIGH 1 040 When the compressor frequency increases the outdoor fan speed also changes to the higher speed When the compressor frequency decreases the outdoor fan speed also changes to the lower speed NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compressor frequency Fan speed after defrost control 1 040 rpm 3 2 Outdoor fan control 04 17 3 Fan c...

Страница 23: ... controller NOTE When the 2 wire remote controller is disconnected clear the individual setting Otherwise this setting can t change 4 2 All louver control All louver operation When the mode is selected the standard louver position of the each mode is set model name Operation mode Standard Position AUXG30KRLB AUXG36KRLB Cooling 2 Dry 2 Heating 4 Monitor 2 AUXG45KRLB AUXG54KRLB Cooling 2 Dry 2 Heati...

Страница 24: ...flow direction louver starts to swing Swinging range Cooling mode dry mode fan mode 1 4 Heating mode 1 4 When the indoor fan is S LOW or stop mode the swing operation is interrupted and it stops at either upper end or bottom end 4 3 Swing operation 04 19 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Страница 25: ...mer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote ...

Страница 26: ...r After that the setting temperature is not changed and the operation is stopped at the setting time Set temperature rises Ts Set temperature Stop of operation Ts 2 C Set 60 min 1 C 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 chan...

Страница 27: ...imer The program timer allows the off timer and the on timer to be used in combination one time Operation mode Stop mode Stop mode Stop mode Operation mode Operation mode Set time Set time Set time Set time Operation will start from the timer setting either off timer and on timer whichever is closest to the clock current timer setting The order of operations is indicated by the allow in the remote...

Страница 28: ...Stop of operation Ts 2 C Set 60 min 1 C 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 is stopped at the setting time Set Ts 2 C 1 C 3 C 4 C Ts Set temperature 30 min 30 min 30 min Stop of operation Set temp...

Страница 29: ...ner will operate at a minimum of 18 C even if the SET BACK temperature is set to 17 C or lower Case of SET BACK timer on the Cooling operation Setting temperature 22 C SET BACK temperature 26 C SET BACK setting Operation temperature Operation temperature 26 C 22 C 26 C 22 C 24 C 1 ON OFF OFF ON 1 During the SET BACK function the setting temperature is changed Chenge the setting temperature 22 C 24...

Страница 30: ...0 5 deg Tn 10 C Tn Tnb 2 deg Tn 10 C Tn 25 C Ta 20 C Tn Ta 7 C or Tn 25 C Ta 20 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 215 min For long continuous operation Less than 10 min For intermittent operation Condition Tn 3 C Tn 5 C Count of the compressor off 40 times If the compressor continuous operation ...

Страница 31: ...nditions are satisfied in heating operation Compressor operation integrating time 30 minutes or more Compressor continuous operation time 10 minutes or more Outdoor unit heat exchanger temperature 4 C or less Release condition The defrost operation is released when either one of the conditions below is satisfied Outdoor unit heat exchanger temperature after 1 minute or later since compressor start...

Страница 32: ...ration 10 C HEAT operation performs as below setting when pressing 10 C HEAT button Operation mode Heating Setting temperature 10 C Fan mode AUTO LED display Economy Defrost operation Operate as normal 7 3 ECONOMY operation The ECONOMY operation starts by pressing ECONOMY button on the remote controller The ECONOMY operation is almost the same operation as below settings Mode Cooling Dry Heating T...

Страница 33: ...r Off Ts 10 C Ts 1 C Ts 3 C Ts 12 C NOTES When the compressor stop external electric heater is off It operates only in heating mode and when the indoor fan operates However S LOW is exclud ed 7 7 Electronic expansion valve control The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the table below Operation mode Puls...

Страница 34: ...e compressor is stopped by Anti freezing control for the operation after re lease When the compressor is not in operation Triggering condition The thermostat is turned off The compressor is stopped The operation is switched to heating mode The float switch is turned off Operation details Count 180 minutes Start drain pump intermittent operaion On Off Drain pump 3 min 3 min 3 min Trigger point 0 mi...

Страница 35: ...ease 3 minutes passed Operation after release The compressor stopps permanently The compressor is stopped by Anti freezing control Triggering condition During the compressor in operation the compressor is stopped by Anti freezing control Operation details The drain pump is kept on in 60 minutes after Anti freezing control released Release condition 60 minutes passed Operation after release Accordi...

Страница 36: ...g temperature 30 C Heating The setting temperature is decreased by maximum 2 C Minimum setting temperature 16 C Auto Energy saving function is performed automatically for the selected mode cooling heating dry Details about detection with the human sensor The human sensor detects whether there are people in the room by looking for movement by people in the room 7 11 Peak cut operation The current v...

Страница 37: ...nomy and peak cut are effective and the outdoor unit operates by lowest current of them Capacity priority mode Operation condition The function setting is set to 1 Capacity check condition Shortage Compressor frequency limited compressor frequency for low noise mode Enough Compressor frequency limited compressor frequency for low noise mode Operation When detecting the shortage capacity or enough ...

Страница 38: ...s stopped and the indoor unit LED starts blinking Trigger condition 104 C Compressor frequency 14 rps 120 seconds Release condition 101 C Compressor protection temperature 110 C 8 2 Anti freezing control cooling and dry mode The compressor frequency is decrease in cooling and dry mode when the indoor unit heat exchang er temperature sensor detects the temperature lower than the trigger condition W...

Страница 39: ... Ta 18 0 A 17 5 A Ta 2 C 20 0 A 19 5 A Model AOYG45KATA Operation mode Outdoor temp Ta Trigger condition Release condition Cooling 52 C Ta 10 0 A 9 5 A 50 C Ta 52 C 13 0 A 12 5 A 46 C Ta 50 C 15 0 A 14 5 A 42 C Ta 46 C 18 0 A 17 5 A 2 C Ta 42 C 20 0 A 19 5 A Ta 2 C 24 0 A 23 5 A Heating 2 C Ta 20 0 A 19 5 A Ta 2 C 24 0 A 23 5 A Model AOYG54KATA Operation mode Outdoor temp Ta Trigger condition Rele...

Страница 40: ...verload protection works 8 5 Compressor temperature protection When the compressor temperature sensor detects higher than the trigger condition below the com pressor is stopped When the compressor temperature sensor detects the release condition the pro tection is released Trigger condition 108 C Release condition 80 C 3 minutes after compressor stop 8 6 High pressure protection Trigger condition ...

Страница 41: ... drops Stable zone AB BC CD DE Zone A Zone B Zone C Zone D Zone E AB 63 C BC 55 C CD 53 C DE 50 C Zone Operation Zone A Compressor is stopped Zone B The compressor frequency is decreased 15 rps 120 sec Zone C 2 rps 120 sec Zone D The protection is released and the operation is returned to normal mode Zone E 8 8 High temperature and high pressure release control 04 36 8 Various protections CONTROL ...

Страница 42: ...2 TROUBLE SHOOTING CASSETTE type INVERTER ...

Страница 43: ...r Error Compressor rotor position detection Error Outdoor Unit Fan Motor Error 4 way Valve Error Discharge Temp Error PFC circuit Error Automatic Air flow Adjustment Error 1 If an error occurs an error icon appears on the Monitor mode screen Touch the Status on the Monitor mode screen The Status screen is displayed 2 Touch the Error Information on the Status screen The Error Information screen is ...

Страница 44: ...l Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC198V AC220V 10 264V AC240V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Reverse Transfer Signal Check Serial Signal Reverse Transfer Signal Check if Indicated value swings between AC90V and AC270V at Outdoor Unit Terminal 1 3 If it is abnormal Check Outdoor unit fan motor PAR...

Страница 45: ...there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC198V AC220V 10 264V AC240V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Forward Transfer Signal Check Serial Signal Forwar...

Страница 46: ... the followings Check Point 1 2 Check Wired Remote Controller and Controller PCB Check Voltage at CN14 of Controller PCB Terminal 1 3 Terminal 1 2 Power supply for the Remote Control If it is DC12V Remote Control is failure Controller PCB is normal Replace Remote Control If it is DC 0V Controller PCB is failure Check Remote Control once again Replace Controller PCB Check Point 2 Wire installation ...

Страница 47: ...es heat Upon the temperature coming down restart operation 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 motor Checl Indoor unit fan motor PARTS INFORMATION 4 if Indoor unit fan motor is abnormal replace Indoor unit fan motor Indicate or Display Error code 15 On automatic airflow adjustment operation wh...

Страница 48: ...controller PCB If there is loose connector open cable or mis wiring After receiving a signal from the external I O PCB the same a signal has not been received for 15sec 1 Connection failure 2 External I O PCB failure 3 Controller PCB failure Check Point 1 Check the connection Check Point 2 Replace external I O PCB If Check Point 1 do not improve the symptom change External I O PCB OK OK Check Poin...

Страница 49: ...ast of Cause OK Combination error Indoor unit 1 The selection of indoor units is incorrect Check Point 1 Check the type of indoor unit Check the type of the connected indoor unit If abnormal condition is found correct it Check Point 2 Replace Main PCB If Check Point 1 do not improve the symptom replace Main PCB of Outdoor unit Indicate or Display Error code 23 02 07 Outdoor unit n n times blinking...

Страница 50: ...ng wire connection in RCgroup Please refer to the installation manual Change controller PCB and check the Error after setting remote controller address Check if controller PCB damage Check Point 2 Wrong RCgroup setting The given address number by auto setting 00 and the manual set number Except 00 were not existing in one RCG The remote controller address setting by U I were not existing same addr...

Страница 51: ...out of specified rule Forecast of Cause 1 Wrong wiring Number of I U RC in RCgroup 2 Indoor unit controller PCB defective Check Point 1 Wire installation Wrong number of connecting indoor unit Check Point 2 Check Indoor unit controller PCB Check if controller PCB damage Check if controller PCB and check the Error after setting remote controller address Indicate or Display Error code 29 OK Outdoor ...

Страница 52: ...any electronic equipment which causes harmonic wave Note EEPROM EEPROM Electronically Erasable and Programmable Read Only Memory is a non volatile memory which keeps memorized information even if power is turned off It can change the contents electronically To change the contents it uses higher voltage than normal and it can not change a partial contents Rewriting shall be done upon erasing the al...

Страница 53: ...otor OK OK OK Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace It Check excessively high temperature around the motor if there is any surrounding equipment that causes heat Upon the temperature coming down restart operation Check Point 4 Replace Controller PCB If Check Point 1 3 do not improve the symptom replace ...

Страница 54: ... the Manual Auto Switch becomes ON for consecutive 60 or more seconds 1 Manual auto switch failure 2 Controller PCB and Indicator PCB failure Check Point 1 Check the Manual auto switch Check if Manual auto switch is kept pressed Check Point 2 Replace Controller PCB If Check Point 1 do not improve the symptom change Controller PCB and Indicator PCB Check ON OFF switching operation by using a meter ...

Страница 55: ...ved Check erroneous connection Check if cable is open Upon correcting the removed connector or mis wiring reset the power Check Point 1 Check external cause at lndoor and Outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Chec...

Страница 56: ...cation PCB defective 2 Indoor unit controller PCB defective Check Point 1 Check the connection of terminal Indoor unit Check the connection the communication PCB and the controller PCB After turning off the power supply check correct the followings If the Check point 1 is ok replace the communication PCB Indicate or Display Error code 3A 02 14 Check Point 3 Replace the controller PCB If condition ...

Страница 57: ... is open Reset Power when reinstalling due to removed connector or incorrect wiring OK OK Check Point 3 Check Voltage of Controller PCB DC 5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the check operation again Trouble shooting 14 INDOOR UNIT Error Method Indoor Room Thermistor Er...

Страница 58: ...e to removed connector or incorrect wiring OK OK Check Point 3 Check Voltage of Controller PCB DC 5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the check operation again Trouble shooting 15 INDOOR UNIT Error Method Indoor Heat Ex Thermistor Error Indicate or Display 02 16 DC Error...

Страница 59: ...r If Fan or Bearing is abnormal replace It Check excessively high temperature around the motor if there is any surrounding equipment that causes heat Upon the temperature coming down restart operation When the fan motor speed is less than 1 3 of the target fan speed for 56 seconds When detect the 0 rpm for 56 seconds after fan motor started Check Point 4 Replace Power Supply PCB If Check Point 1 3...

Страница 60: ...ilure 5 Hose clogging Check Point 2 Check Connector and Wire Check loose contact of CN9 shorted wire pinched wire Replace Float switch if the wire is abnormal OK Check Point 3 Check Drain hose Check Drain hose If there is Hose clogging Please clear the clog 02 18 Indicate or Display Error code 53 Outdoor unit n n times blinking Light ON Light OFF Mode Error L1 L2 L6 L5 L4 L3 2 5 15 Check Point 4 C...

Страница 61: ... 1 Reset Power Supply and operate Does Error indication show again Check Point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground is connection correctly or there are no related cables near the power line Change Main PCB Access to EEPROM failed due to some cause after outdoor unit started 02 19 Indicate or Display Er...

Страница 62: ...played again Check Point 1 2 External cause Check if temporary voltage drop was not generated Check if temporary open was not generated Check if ground is connected correctly or there are no related cables near the power line Check Point 2 Check the wiring Connector and wiring connection state check Cable open check Check Point 3 Replace Inverter PCB Replace Outdoor unit Inverter PCB OK Check Poin...

Страница 63: ...ge 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 equipment that may ...

Страница 64: ...rror Outdoor unit Main PCB 1 Outdoor unit Main PCB failure When the signal from FO terminal of IPM is L 0V while the compressor stops Check Point 1 Replace Main PCB Replace Outdoor unit Main PCB Error code 65 02 22 Trouble shooting 21 Outdoor unit n n times blinking Light ON Light OFF Mode Error L1 L2 L6 L5 L4 L3 2 6 5 ...

Страница 65: ...thermistor Thermistor characteristics check Disconnect the thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P15 3 4 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 23 Trou...

Страница 66: ...the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P10 1 3 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 24 Trouble shooting 23 Detective Actuators Detective details OUTDOOR UNIT Error Method Indicate or Display Error code 72 P10 THERMISTOR COMPRESS...

Страница 67: ... thermistor from the PCB and check For the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P15 1 2 voltage value 5V Main PCB P1 1 2 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 25 Trouble shooting 24 Detective...

Страница 68: ...r the thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Main PCB DC5 0V Main PCB P5 1 3 voltage value 5V Remove the thermistor from Main PCB check the voltage If the voltage does not appear replace Main PCB and execute the check operation again 02 26 Trouble shooting 25 Detective Actuators Detective details OUTDOOR UNIT Error Method Indicate or Disp...

Страница 69: ... thermistor characteristics refer to the Service Parts Information 8 Check Point 3 Check voltage of Inverter PCB DC5 0V Main PCB P700 1 3 voltage value 5V Remove the thermistor from Inverter PCB check the voltage If the voltage does not appear replace Inverter PCB and execute the check operation again 02 27 Trouble shooting 26 Detective Actuators Detective details OUTDOOR UNIT Error Method Indicat...

Страница 70: ...nt 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 Suppl...

Страница 71: ...nt 1 Check the high pressure switch connection state 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 Check Point 3 Replace Inverter PCB Change Inverter PCB and execute the check operation again Type of contact Characteristics of press...

Страница 72: ...on defective foreign matter on hear exchanger excessive rise of ambient temperature 2 Main PCB 3 Inverter compressor failure lock winding short 4 Inverter PCB Protection stop by overcurrent generation after inverter compressor start processing completed generated consecutively 10 times The number of generations is reset if the start up of the compressor succeeds No obstructions in air passages Hea...

Страница 73: ...utdoor unit n n times blinking Light ON Light OFF Mode Error L1 L2 L6 L5 L4 L3 2 9 5 Detective Actuators Detective details Forecast of Cause Outdoor unit Inverter PCB Outdoor unit Main PCB Compressor 1 Defective connection of electric components 2 Inverter PCB failure 3 Main PCB failure 4 Compressor failure Protection stop by overcurrent generation at inverter compressor starting restart generated...

Страница 74: ...iagram and the voltage Measure at Inverter PCB side connector If the voltage is not correct replace Inverter 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 75: ...Check Point 4 Replace Main PCB If Check Point 1 3 do not improve the symptom replace Main PCB Check Point 2 Check thermistor of Indoor unit Isn t it fallen off the holder Is there a cable pinched Check characteristics of thermistor Refer to Trouble shooting 14 15 If defective replace the thermistor Indoor Unit Controller PCB Circuit Heat Exchanger Temperature Thermistor Room Temperature Thermistor...

Страница 76: ...nt 2 Check the EEV strainer Check Point 5 Check the refrigerant amount Leak check If the 3 way valve gas side was closed open the 3 way valve gas side and check operation 02 34 Check Point 1 Check if 3 way valve liquid side is open If the 3 way valve liquid side was closed open the 3 way valve liquid side and check operation 1 3 way valve not opened 2 EEV defective strainer clogged 3 Outdoor unit ...

Страница 77: ...nt 2 Check the EEV strainer Check Point 5 Check the refrigerant amount Leak check If the 3 way valve gas side was closed open the 3 way valve gas side and check operation 02 35 Check Point 1 Check if 3 way valve liquid side is open If the 3 way valve liquid side was closed open the 3 way valve liquid side and check operation 1 3 way valve not opened 2 EEV defective strainer clogged 3 Outdoor unit ...

Страница 78: ...e Outdoor ambient temperature lower than operating range Outdoor unit EEV operation check Strainer not clogged Check Point 4 Check the outdoor unit EEV strainer clogging Indoor unit EEV operation check Strainer not clogged Check Point 2 Check the EEV strainer clogging Suction pressure sensor characteristics check For the characteristics of the suction pressure sensor Check Point 6 Check the suctio...

Страница 79: ...s 1 Foreign matter on heat sink heat sink dirty 2 Foreign matter on heat exchanger excessive ambient temperature rise 3 Heat sink temp thermistor defective Check Point 1 Check the heat sink state Check Point 3 Check the heat sink temp thermistor Heat sink foreign matter soiling check Check Point 2 Check the foreign matter and ambient temperature of heat exchanger Heat exchange foreign matter check...

Страница 80: ...re is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding 02 38 2 3 TROUBLESHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components NO Check the voltage of power supply Check if AC198 264V appears at Outdoor Unit Terminal L N AC Check Varistor in Power supply PCB Indoor unit If V...

Страница 81: ... drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check the vol...

Страница 82: ...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 equipment causing harmonic wave near electric line Neon...

Страница 83: ...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 84: ...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 85: ...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 86: ...ce 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 Inverter PCB 02 44 Check Point 4 Replace Main PCB If the symptom does not change with above Check 1 3 replace Main PCB Resistance Value 1 125 at 25 C 30 36 type 1 120 at 20 C 45 type 0 766 at 20 C 54 type Inverter PCB RED WHITE BLACK Compressor V S U R W400 W4...

Страница 87: ...tor Loose connector or open cable Remove connector check each winding resistance of Coil If Resistance value is abnormal replace EEV Remove Connector and check Voltage DC12V If it does not appear replace Main PCB Turn on Power and check operation noise If an abnormal noise does not show replace Main PCB When Valve is closed it has a temp difference between Inlet and Outlet If it is open it has no ...

Страница 88: ... and GND terminal Vm DC voltage GND Earth terminal If they are short circuited below 300 k replace Outdoor fan motor and Main PCB Pin number wire color Terminal function symbol 1 Red 2 4 Black 5 White 6 Yellow DC voltage Vm No function 3 No function Earth terminal GND Control voltage Vcc Speed command Vsp 7 Brown Feed back FG Pin number wire color Terminal function symbol 1 Red 2 4 Black 5 White 6...

Страница 89: ...Applicable Thermistors Discharge temp TH Compressor temp TH Outdoor temp TH Heatsink temp TH Heat exchanger TH 30 20 10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 1013 1 531 6 292 9 168 6 100 9 62 5 40 0 26 3 17 8 12 3 8 7 6 3 4 6 3 4 2 6 2 0 95 6 50 3 27 8 16 1 9 6 6 0 3 8 2 5 1 7 1 2 0 8 0 6 224 3 115 2 62 3 35 2 20 7 12 6 8 0 5 2 3 5 2 4 94 3 49 6 27 4 15 8 9 5 5 9 3 8 2 5 1 7 1 2 0 8...

Страница 90: ...Jun 2020 Printed in Japan 3 3 17 Suenaga Takatsu ku Kawasaki 213 8502 Japan ...

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