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Fujitsu ROG07KPCA, Service Manual

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Fujitsu ROG07KPCA Service Manual Download Page 115

7. Various control

7-1. Auto restart

When the power was interrupted by a power failure etc. during operation, the operation contents at
that time are memorized and when the power is recovered, operation is automatically started with
the memorized operation contents.

Operation contents memorized when the power is interrupted

Operation mode
Setting temperature
Fan mode setting
Timer mode and set time (set by wireless remote controller)
Airflow direction setting
Swing
ECONOMY operation
Remote control setting
WLAN LED setting

7-2. MANUAL AUTO operation

When the wireless remote controller is lost or battery power dissipated, this function will work without
the remote controller.
When MANUAL AUTO button is pressed more than 3 seconds and less than 10 seconds, MANUAL
AUTO operation starts as shown in the table below. To stop operation, press the MANUAL AUTO
button for 3 seconds.

Operation mode

Auto changeover

Fan mode

AUTO

Timer mode

Continuous (no timer setting available)

Setting temperature

24°C

Vertical airflow direction louver setting

Standard

SWING

Off

ECONOMY

Off

Human sensor

Off

7-1. Auto restart

- (04-23) -

7. Various control

CONTROL AND

FUNCTIONS

CONTROL AND

FUNCTIONS

Summary of Contents for ROG07KPCA

Page 1: ...AIR CONDITIONER Wall mounted type SERVICE MANUAL INDOOR RSG07KPCE RSG09KPCE RSG12KPCE OUTDOOR ROG07KPCA ROG09KPCA ROG12KPCA SR_AS059EJ_01 2021 12 16 ...

Page 2: ...provement For further details please check with our authorized dealer Trademarks FGLair is trademark of Fujitsu General Limited in the United States other countries or both Google Play is trademark of Google Inc App Store is a service mark of Apple Inc registered in the U S and other countries ...

Page 3: ...CONTENTS 1 GENERAL INFORMATION 2 TECHNICAL DATA AND PARTS LIST 3 TROUBLESHOOTING 4 CONTROL AND FUNCTIONS 5 FILED WORKING ...

Page 4: ......

Page 5: ...1 GENERAL INFORMATION 2021 12 16 SR_CH01_AS059EJ_01 ...

Page 6: ...CONTENTS 1 GENERAL INFORMATION 1 Specifications 01 1 1 1 Indoor unit 01 1 1 2 Outdoor unit 01 3 2 Dimensions 01 4 2 1 Indoor unit 01 4 2 2 Outdoor unit 01 6 ...

Page 7: ...HIGH 45 46 MED 40 40 LOW 36 35 QUIET 26 27 Heat exchanger type Dimensions H W D mm 210 600 26 6 Fin pitch 1 3 Rows Stages 2 10 Pipe type Copper tube Fin type Aluminum Enclosure Material Polystyrene Color White Approximate color of Munsell N 9 25 Dimensions H W D Net mm 270 784 224 Gross 279 864 334 Weight Net kg 8 0 Gross 11 0 Connection pipe Size Liquid mm in Ø6 35 Ø1 4 Gas Ø9 52 Ø3 8 Method Flar...

Page 8: ...2 0 35 C 2 5 35 C 3 4 35 C Heating Average 2 2 10 C 2 4 10 C 2 5 10 C SEER Cooling kWh kWh 6 7 6 3 SCOP Heating Average 4 0 4 1 Annual energy consumption QCE kWh a 104 131 189 QHE Average 769 840 853 Sound power level Cooling HIGH dB A 57 58 59 Heating 58 58 59 1 1 Indoor unit 01 2 1 Specifications GENERAL INFORMATION GENERAL INFORMATION ...

Page 9: ...roximate color of Munsell 10YR 7 5 1 0 Dimensions H W D Net mm 541 663 290 Gross 596 798 369 Weight Net kg 23 25 Gross 25 27 Connection pipe Size Liquid mm in Ø6 35 Ø1 4 Gas Ø9 52 Ø3 8 Method Flare Pre charge length m 15 Max length 20 Max height difference 15 Operation range Cooling C 10 to 46 Heating 15 to 24 Drain hose Material PP Tip diameter mm Ø13 0 I D Ø16 0 to Ø16 8 O D NOTES Specifications...

Page 10: ...r unit Models RSG07KPCE RSG09KPCE and RSG12KPCE Unit mm 784 224 270 307 366 516 Outline of indoor unit for pipe inlet Ø65 43 292 133 292 67 104 321 62 2 1 Indoor unit 01 4 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 11: ...safety Unit mm Wall hook bracket Outline of the indoor unit 50 or more 71 or more The flare connection part should be installed outdoors 40 or more 30 or more 107 or more 1 500 or more 1 800 or more 163 or more 2 1 Indoor unit 01 5 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 12: ...68 16 33 30 290 353 330 Pitch of bolts for installation 4 M10 hole Bottom view Side view Valve part Top view Side view Side view Front view Pitch of bolts for installation 353 541 20 184 120 37 170 331 Drain port Ø42 2 2 Outdoor unit 01 6 2 Dimensions GENERAL INFORMATION GENERAL INFORMATION ...

Page 13: ...2 TECHNICAL DATA AND PARTS LIST 2021 12 16 SR_CH02_AS059EJ_01 ...

Page 14: ...d ROG12KPCA 02 6 4 Accessories 02 10 4 1 Indoor unit 02 10 4 2 Outdoor unit 02 10 5 Optional parts 02 11 5 1 Others 02 11 6 Refrigerant system diagrams 02 12 6 1 Models ROG07KPCA ROG09KPCA and ROG12KPCA 02 12 7 Wiring diagrams 02 13 7 1 Indoor unit 02 13 7 2 Outdoor unit 02 14 8 PC board diagrams 02 15 8 1 Models RSG07KPCE RSG09KPCE and RSG12KPCE 02 15 8 2 Models ROG07KPCA ROG09KPCA and ROG12KPCA ...

Page 15: ...rs working in the local area shall be instructed on the nature of work being carried out Work in confined spaces shall be avoided The area around the workspace shall be sectioned off Ensure that the conditions within the area have been made safe by control of flammable ma terial Electric shock may occur After turning off the power always wait 5 minutes before touching electrical components Do not ...

Page 16: ...1 Models RSG07KPCE RSG09KPCE and RSG12KPCE Exterior parts 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 1 Models RSG07KPCE RSG09KPCE and RSG12KPCE 02 2 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 17: ...holder 7 9334138069 Remote controller assy 8 9333886107 Front panel total assy 9 9333913025 Intake grille assy 10 9333704005 Grille clamper R 11 9333719009 Grille clamper L 12 9333868004 Air filter 13 9333871011 Under cover L 14 9333951003 Louver spring 15 9333608013 Bush 2 1 Models RSG07KPCE RSG09KPCE and RSG12KPCE 02 3 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PAR...

Page 18: ...0 51 52 a 55 56 60 59 b 57 53 58 61 62 63 64 65 66 67 68 69 70 71 72 73 54 c 2 1 Models RSG07KPCE RSG09KPCE and RSG12KPCE 02 4 2 Indoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 19: ...r holder assy 60 9383729041 Wire cover assy 61 9334040003 Motor case assy 62 9603688004 Brushless motor 63 9333849003 Motor cover assy 64 9901011030 Step motor 65 9333911007 Drain pan total assy 66 9316904002 Drain hose assy 67 9316177017 Drain cap 68 9333628004 Bearing D assy 69 9333606026 Crossflow fan assy 70 9333882031 Base assy 71 9334137000 Screw cap 72 9334136003 Under cover C 73 9388139012...

Page 20: ...G07KPCA ROG09KPCA and ROG12KPCA Exterior parts and chassis 1 18 17 16 14 13 12 11 10 9 8 7 6 2 3 4 5 a 15 3 1 Models ROG07KPCA ROG09KPCA and ROG12KPCA 02 6 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 21: ...9 9322144003 Drain pipe 10 9323501003 Base assy 11 9322555328 Front panel assy 12 9387864007 Emblem 13 9322135001 Blow grille 14 9322136008 Propeller fan 15 9603553005 Brushless motor 16 9322553089 Motor bracket assy for 07 09 model 9322553096 Motor bracket assy for 12 model 17 9322272003 Condenser total assy for 07 09 model 9322273000 Condenser total assy for 12 model 18 9322811059 Protective net...

Page 22: ... Compressor A A 50 51 52 53 54 55 56 57 58 59 60 60 61 60 61 61 3 1 Models ROG07KPCA ROG09KPCA and ROG12KPCA 02 8 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 23: ...11 Expansion valve coil 54 9322403001 Pulse motor valve 55 9322472007 2 way valve assy 56 9322473004 3 way valve assy 57 9322389008 S insulator H 58 9334109007 S insulator F 59 9324110006 S insulator B 60 9322386007 Cushion rubber 61 9313437008 Special nut 3 1 Models ROG07KPCA ROG09KPCA and ROG12KPCA 02 9 3 Outdoor unit parts list TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 24: ...ing manual CD ROM 1 Tapping screw small 2 Installation manual 1 Remote controller 1 Wall hook bracket 1 Remote controller holder 1 Battery 2 Cloth tape 1 4 2 Outdoor unit Models ROG07KPCA ROG09KPCA and ROG12KPCA Part name Exterior Q ty Part name Exterior Q ty Drain pipe 1 4 1 Indoor unit 02 10 4 Accessories TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 25: ...ndoor unit Wireless LAN adapter UTY TFSXF2 Remotely manage an air conditioning system using mobile devices such as smartphones and tablets Appropriate application for each region is required to use this option For details contact FGL sales company 5 1 Others 02 11 5 Optional parts TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 26: ...DOOR Compressor Cooling Heating ThD ThR ThPI ThO ThHO Thermistor Discharge temperature Thermistor Outdoor temperature Thermistor Heat exchanger out temperature ThD ThO ThHO Thermistor Room temperature Thermistor Pipe temperature ThR ThPI Muffler 6 1 Models ROG07KPCA ROG09KPCA and ROG12KPCA 02 12 6 Refrigerant system diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 27: ...7 Wiring diagrams 7 1 Indoor unit Models RSG07KPCE RSG09KPCE and RSG12KPCE 7 1 Indoor unit 02 13 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 28: ...7 2 Outdoor unit Models ROG07KPCA ROG09KPCA and ROG12KPCA 7 2 Outdoor unit 02 14 7 Wiring diagrams TECHNICAL DATA AND PARTS LIST TECHNICAL DATA AND PARTS LIST ...

Page 29: ... PASK 2 WHITE INDICATOR PCB K18RB 1801HSE D0 MAIN PCB 07 model K18RA 1803HSE C1 09 model K18RA 1804HSE C1 12 model K18RA 1805HSE C1 DC5V DC12V DC12V DC340V DC15V A DC5V TEST CN5 DC Fan motor 1 3 4 5 6 7 Pin No Terminal code Vm GND Vcc Vsp FG Function of terminal Revolution pulse output Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Red Black W...

Page 30: ...tion of terminal Revolution pulse output Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Red Black White Yellow Brown 2 7 P650 DC Fan Motor 1 Red 2 Blue 1 Red 3 Orange 1 Red 4 Yellow 1 Red 5 White P30 Expansion Valve Coil 46 0 20 Recommended Drive Condition Unipolar Drive 1 2 Phase Excitation Coil resistance DC340V DC15V DC12V P5 Thermistor Cha...

Page 31: ...3 TROUBLESHOOTING 2021 12 16 SR_CH03_AS059EJ_01 ...

Page 32: ...door unit heat exchanger thermistor error Outdoor unit 03 18 2 13 E 74 Outdoor temperature thermistor error Outdoor unit 03 19 2 14 E 84 Current sensor error Outdoor unit 03 20 2 15 E 94 Trip detection Outdoor unit 03 21 2 16 E 95 Compressor motor control error Outdoor unit 03 22 2 17 E 97 Outdoor unit fan motor error Outdoor unit 03 23 2 18 E 99 4 way valve error Outdoor unit 03 24 2 19 E A1 Disc...

Page 33: ...compressor 03 49 5 3 Outdoor unit Electronic Expansion Valve EEV 03 50 5 4 Indoor unit fan motor 03 52 5 5 Outdoor unit fan motor 03 53 6 Thermistor resistance values 03 54 6 1 Indoor unit 03 54 6 2 Outdoor unit 03 55 CONTENTS continued ...

Page 34: ......

Page 35: ...rized error is only displayed during the 3 min utes ST state period Start the operation and then press the TEST RUN button on the remote controller Press the MANUAL AUTO button on the indoor unit for 10 seconds or more Error memory display 2 minutes 20 seconds Starting operation and then Press TEST RUN button on the remote controller or Press MANUAL AUTO button on the indoor unit for 10 seconds or...

Page 36: ...es Continuous 41 E 42 Indoor unit heat exchanger sensor error Indoor unit 4 times 2 times Continuous 42 E 51 Indoor unit fan motor error Indoor unit 5 times 1 times Continuous 51 E 62 Outdoor unit main PCB error Outdoor unit 6 times 2 times Continuous 62 E 64 PFC circuit error Outdoor unit 6 times 4 times Continuous 64 E 65 IPM error Outdoor unit 6 times 5 times Continuous 65 E 71 Discharge thermi...

Page 37: ... operate according to the error contents Error contents Wireless LAN LED orange Error code E 18 External communication error between indoor unit and WLAN adapter On Connection information with router is available Off Connection information with router is unavailable 18 Wireless LAN adapter error Flashing slow No error Network communication error between wireless LAN router and WLAN adapter On No e...

Page 38: ...Outdoor unit fan motor failure Check point 1 Reset the power and operate Does error indication show again If no go to Check point 1 2 Check point 2 Check connection Check any loose or removed connection line of indoor unit and outdoor unit Check connection condition is control unit If there is loose connector open cable or mis wiring If there is an abnormal condition correct it by referring to the...

Page 39: ...03 48 If outdoor fan motor is abnormal replace outdoor unit fan motor and main PCB If the checked parts are normal replace the main PCB End 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 End 2 1 E 11...

Page 40: ... Does error indication show again If no go to Check point 1 2 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 the installation manual or the DESIGN TECHNICAL MANUAL Check connection condition is control unit If there is loose connector open cable or mis wiring Check point 3 Check ...

Page 41: ...3 If it is abnormal replace main PCB End Check point 1 2 Check external cause such as noise Check if the ground connection is proper 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 End 2 2 E 11 Serial communication error Serial forward transfer error Indoor unit 03 7 2 Troubleshooting with error c...

Page 42: ...g Check any shortage or corrosion on PCB Check point 3 Replace main PCB Change main PCB End Check point 1 2 Check external cause such as noise Check if the ground connection is proper 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 End NOTE EEPROM EEPROM Electronically Erasable and Programmable Re...

Page 43: ...Forecast of cause MANUAL AUTO button failure Controller PCB and indicator PCB failure Check point 1 Check the MANUAL AUTO but ton If MANUAL AUTO button is disabled on off switching replace it Check if MANUAL AUTO button is kept pressed Check On Off switching operation by using a meter Check point 2 Replace main PCB and indicator PCB If Check Point 1 does not improve the symptom change main PCB and...

Page 44: ...when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the room thermistor resistance value refer to Thermistor resistance values on page 03 54 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of each indoor unit and check terminal...

Page 45: ...Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the heat exchanger thermistor resistance value refer to Thermistor resis tance values on page 03 54 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram of each indoor ...

Page 46: ...ate 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 ambient temperature around motor 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 3 Check indoor unit fan motor Check Indoor ...

Page 47: ...ary open voltage drop Main PCB failure Check point 1 Reset power supply and operate If no go to Check point 1 2 Does error indication show again Check point 2 Replace main PCB Change main PCB End Check point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generat ed Check if ground is connection correctly or there are no related cables nea...

Page 48: ...k 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 sup ply 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 2 Check connection of Connector ...

Page 49: ...pressor failure Main PCB failure Check point 1 Check connections of outdoor unit electrical components Check if the terminal connection is loose Check if connector is removed Check erroneous connection Check if cable is open Upon correcting the removed connector or mis wiring reset the power Check point 2 Check outdoor fan and heat exchanger Is there anything obstructing the air distribution circu...

Page 50: ...to inverter compressor in Service parts information Check point 5 Replace main PCB If Check point 1 to 4 do not improve the symptom change main PCB End 2 10 E 65 IPM error Outdoor unit 03 16 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 51: ...or cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the discharge temperature thermistor resistance value refer to Thermistor resistance values on page 03 54 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit ...

Page 52: ...mistor cable is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the outdoor unit heat exchanger thermistor resistance value refer to Ther mistor resistance values on page 03 54 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make su...

Page 53: ...e is open Reset power when reinstalling due to removed connector or incorrect wiring Check point 2 Remove connector and check thermistor resistance value For the outdoor temperature thermistor resistance value refer to Thermistor re sistance values on page 03 54 If thermistor is either open or shorted replace it and reset the power Check point 3 Check voltage of main PCB Make sure circuit diagram ...

Page 54: ...ponents Upon correcting the removed connector or mis wiring reset the power Check if the terminal connection is loose Check if connector is removed Check erroneous connection Check if cable is open Check point 3 Replace main PCB If Check point 1 2 do not improve the symptom change main PCB End Check point 1 2 Check external cause at Indoor and Outdoor Voltage drop or Noise Instant drop Check if th...

Page 55: ...er on heat exchanger excessive rise of ambient temperature Main PCB failure Inverter compressor failure lock winding short Check point 1 Check the outdoor unit fan operation heat exchanger ambient temperature No obstructions in air passages Heat exchange fins clogged Outdoor unit fan motor check Ambient temperature not raised by the effect of other heat sources Discharged air not sucked in Check p...

Page 56: ...onents Main PCB failure Compressor failure Check point 1 Check Noise from Compressor Turn on Power and check operation noise If an abnormal noise show replace compres sor Check point 2 Check connection of around the compressor components For compressor terminal main PCB Check if connector is removed Check erroneous connection Check if cable is open Refer to inverter compressor in Service parts inf...

Page 57: ...ed motor If fan or bearing is abnormal replace it Check point 2 Check ambient temperature around motor 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 3 Check outdoor unit fan motor Check outdoor unit fan motor Refer to outdoor unit fan motor in Service parts information on pag...

Page 58: ...nger temperature thermistor Room temperature thermistor 4 way valve Forecast of cause Connector connection failure Thermistor failure Coil failure 4 way valve failure Main PCB failure Check point 1 Check connection of connector Check if connector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Check point 2...

Page 59: ...f the value location is not proper replace 4 way valve Check point 4 Check the voltage of 4 way valve Check the voltage CN30 of Main PCB Check if AC 270 V AC 230 V 10 to AC 253 V AC 230 V 10 appears at CN30 of Main PCB Heating operation If it is not voltage Replace Main PCB Cooling operation If it is voltage Replace Main PCB Check point 5 Replace main PCB If Check Point 1 to 4 do not improve the s...

Page 60: ...the 3 way valve For heating operation check liquid side of the 3 way valve Check point 2 Check any of the electronic expansion valve EEV capillary tube or strainer or all Check if EEV open or there is a capillary tube defect Refer to outdoor unit Electrronic Expansion Valve EEV or Capillary tube in Service parts in formation on page 03 48 Check the strainer clogging Check point 3 Check the outdoor...

Page 61: ...the refrigerant leakage Check point 6 Replace main PCB If check point 1 to 5 do not improve the symptom replace the main PCB End 2 19 E A1 Discharge temperature error Outdoor unit 03 27 2 Troubleshooting with error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 62: ...er sup ply 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 3 Check electrical components Check the voltage of power supply Check if AC 207 to 253 V appears at outdoor unit terminal L N If no go to Check point 1 and Check point 2 Check fuse in fi...

Page 63: ... a defective contact or leak current in the power sup ply 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 3 Check electrical components Check the voltage of power supply Check if AC 207 to 253 V appears at outdoor unit terminal L N If no go to C...

Page 64: ... indoor unit and outdoor unit Check point 2 Check external cause at indoor and outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power sup ply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric ...

Page 65: ...eck connection pipe specified pipe length and pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to the installation manual or the DESIGN TECHNICAL MANUAL Check point 5 Check Refrigeration cycle Check if strainer is clogged Refer to the figure below Measure gas pressure and if there is a leakage correct it Check if EEV open or ther...

Page 66: ...nd outlet as shown be low Pipe In Pipe Out If there is a difference like shown below there is a possibility of inside clogged In this case re place the strainer Pipe In Pipe Out 3 4 No cooling No heating 03 32 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 67: ...grille and front panel normal Is main unit installed in stable condi tion Is fan guard installed normally Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation Is fan broken or deformed Is the screw of fan loose Is there any object which obstruct the fan rotation End Check if vibration noise by loose bolt or contact noise of piping is happening Is ...

Page 68: ...in stable condi tion Is main unit broken or deformed at the time of transportation or maintenance Is the filter clogged Is drain hose connection loose Is there a trap in drain hose Is drain hose clogged Check gas pressure and cor rect it if there was a gas leak MPa MPa Is fan rotating End End 3 6 Water leaking 03 34 3 Troubleshooting without error code TROUBLESHOOTING TROUBLESHOOTING ...

Page 69: ...tion Check any loose or removed connection of between the wireless LAN adapter PCB and con troller PCB If there is abnormal condition correct it Check the connection condition on the controller PCB If there is loose connector open cable or mis wiring correct it Check point 2 Replace wireless LAN adapter If check point 1 do not improve the symptom replace the wireless LAN adapter and cancel the reg...

Page 70: ...f setting button is kept pressed If the setting button is held down by the foreign matter remove the foreign matter or remove the cause of the button press Check point 2 Replace wireless LAN adapter If check point 1 do not improve the symptom replace the wireless LAN adapter and cancel the reg istration of air conditioner on the mobile app After replacing the adapter perform the pairing on the mob...

Page 71: ...k point 1 Check the connection cable Check the connection cable on the wireless LAN router If there is loose connector open cable or mis wiring correct it Check point 2 Check the connection status Check the connection status to the internet and wireless LAN router If the wireless LAN router is not connected to the internet check the transmission between wire less LAN products ex PC or game console...

Page 72: ...le app refer to Mobile app setting method on page 03 43 End Check point 2 2 Check the transmission state Check the wireless transmission state pf the wireless LAN router LED status If the wireless transmission from the wireless LAN router has not been outgoing inquire to the wireless LAN router maker End 4 3 Network communication error between wireless LAN router and WLAN adapter 03 38 4 Troublesh...

Page 73: ...ailure Controller PCB failure Check point 1 Check the connection cable Check the connection cable on the wireless LAN router If there is loose connector open cable or mis wiring correct it Check point 2 Check the connection status and transmission state Check the connection status to the internet and wireless LAN router If the wireless LAN router is not connected to the internet check the transmis...

Page 74: ...correct it Check the connection condition on the controller PCB If there is loose connector open cable or mis wiring correct it Check point 4 Replace wireless LAN adapter If check point 2 to 3 do not improve the symptom replace the wireless LAN adapter and cancel the registration of air conditioner on the mobile app After replacing the adapter perform the pairing on the mobile app For the method o...

Page 75: ...here is abnormal condition correct it Check the connection condition on the controller PCB If there is loose connector open cable or mis wiring correct it Check point 2 Check the wireless LAN adapter PCB and the controller PCB Check voltage at CN12 terminal 1 2 of main PCB Power supply to remote controller If it is DC 0 V controller PCB is failure Replace controller PCB If it is DC 12 V wireless L...

Page 76: ...ireless SSID have passed 1 hour Forecast of cause Sleep mode Check point 1 Cheak the sleep mode Press the Wireless LAN adapter setting button the 3 seconds or more If the display pattern is changed as follows refer to Network communication error between wire less LAN router and WLAN adapter on page 03 37 LED 1 green on LED 2 orange flashing fast 4 6 Wireless LAN adapter Sleep mode Indoor unit 03 4...

Page 77: ...he mobile app 1 Launch the mobile app FGL air 2 Press and hold the registered device name of the air conditioner 3 If the Unregister button is displayed tap the button 4 Tap the Yes button 5 Deregstration of the air conditioner is completed 4 7 Mobile app setting method 03 43 4 Troubleshooting with error code For wireless LAN adapter TROUBLESHOOTING TROUBLESHOOTING ...

Page 78: ...t PC repeat the setup of the chosen mode Lighting pattern Off On Flashing Button mode 1 Launch the mobile app FGL air 2 Sign in with your E mail address and password following the screen on the mobile app john fgl com ÛÛÛÛÛÛ Sign in 3 Press the button to add a new air conditioner 4 Confirm that LED 2 is flashing On Off at 2 seconds intervals Then select Button mode on the screen If LED 2 and 2 are...

Page 79: ...Off 2 sec 2 sec 2 sec 0 5 sec Confirm both of the LED 1 and 2 are on to proceed 7 Press Register button to start the connection with the wireless LAN router Register Registration Successful 2 times Both of the LED 1 and 2 flash 2 times and a message appear when the setup is completed 4 7 Mobile app setting method 03 45 4 Troubleshooting with error code For wireless LAN adapter TROUBLESHOOTING TROU...

Page 80: ...er password ÛÛÛÛÛÛ Connect device Selected router Input the PIN code written on the wireless LAN label 6 Select the SSID of the wireless LAN router to be connected Home AP Enter password Select the WLAN Access Point XYZ AP ÛÛÛÛÛÛ ABC123 Connect device Selected router Input the wireless LAN router wireless LAN access point password then press Connect device button 7 When setup is completed both of ...

Page 81: ...x Select the SSID of the air conditioner to be connected 6 Input the PIN code written on the wireless LAN label AC UTY xxxxxxxxxx Enter password ÛÛÛÛÛÛ Connect device Selected router 7 Select the SSID of the wireless LAN router to be connected Input the wireless LAN router wireless LAN access point password then press Connective de vice button Home AP Enter password Select the WLAN Access Point XY...

Page 82: ...compressor is con sidered Locked compressor due to clogged dirt or less oil Is gas pipe valve open Low pressure is too low Defective compressor can be considered due to inside dirt clogging or broken component Replace compressor Check if refrigerant is leaking MPa MPa Replace compressor End Check if strainer is clogged Refer to outdoor EEV or capillary tube in this chap ter End Check main PCB conn...

Page 83: ...wiring Main PCB W402 W Compressor BLACK WHITE RED W400 U W401 V Check point 2 Check winding resistance Check winding resistance of each terminal Resistance value 1 862 Ω at 25 C R U C W S V RED WHITE BLACK If the resistance value is 0 Ω or infinite replace compressor Check point 3 Replace inverter PCB If check point 1 to 2 do not improve the symptom replace main PCB 5 2 Inverter compressor 03 49 5...

Page 84: ...mal replace EEV Check point 3 Check voltage from main PCB Remove connector and check voltage DC 12 V If it does not appear replace main PCB Check point 4 Check noise at start up Turn on the power and check the operation noise If an abnormal noise does not show replace main PCB Check point 5 Check opening and closing operation of valve When valve is closed it has a temp difference between inlet and...

Page 85: ...let and outlet as shown be low Pipe In Pipe Out If there is a difference like shown below there is a possibility of inside clogged In this case replace the strainer Pipe In Pipe Out 5 3 Outdoor unit Electronic Expansion Valve EEV 03 51 5 Service parts information TROUBLESHOOTING TROUBLESHOOTING ...

Page 86: ...nce of indoor fan motor Refer to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace indoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 Blue Feed back FG 2 Yellow Speed command Vsp 3 White Control voltage Vcc 4 Black Earth terminal GND 5 No function 6 Red DC voltage Vm 5 4 Indoor unit fan mo...

Page 87: ...utdoor fan motor Refer to below Circuit test Vm and GND terminal NOTE Vm DC voltage GND Earth terminal If they are short circuited below 300 kΩ replace outdoor fan motor and controller PCB Pin number wire color Terminal function symbol 1 Red DC voltage Vm 2 No function 3 No function 4 Black Earth terminal GND 5 White Control voltage Vcc 6 Yellow Speed command Vsp 7 Blue Feed back FG 5 5 Outdoor un...

Page 88: ... 3 49 Heat exchanger temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 1 131 91 0 21 25 0 804 52 0 29 20 0 579 59 0 40 15 0 422 89 0 53 10 0 312 27 0 69 5 0 233 21 0 88 0 0 176 03 1 10 5 0 134 23 1 36 10 0 103 34 1 63 15 0 80 28 1 92 20 0 62 91 2 21 25 0 49 70 2 51 30 0 39 57 2 79 35 0 31 74 3 06 40 0 25 64 3 30 45 0 20 85 3 53 50 0 17 06 3 73 55 0 14 05 3 90 60 0 11 64 4 02 65 0 9...

Page 89: ...0 57 15 0 79 12 0 71 20 0 62 55 0 86 25 0 49 84 1 03 30 0 40 01 1 23 35 0 32 35 1 43 40 0 26 34 1 65 45 0 21 58 1 88 50 0 17 79 2 11 55 0 14 75 2 34 60 0 12 30 2 57 65 0 10 32 2 79 70 0 8 70 3 00 75 0 7 36 3 19 80 0 6 27 3 37 85 0 5 36 3 54 90 0 4 60 3 69 95 0 3 96 3 83 100 0 3 43 3 96 105 0 2 98 4 07 110 0 2 60 4 17 115 0 2 27 4 26 120 0 2 00 4 33 6 2 Outdoor unit 03 55 6 Thermistor resistance va...

Page 90: ... 3 68 55 0 1 42 3 85 60 0 1 19 4 00 65 0 1 00 4 13 70 0 0 84 4 25 75 0 0 71 4 35 80 0 0 61 4 43 Outdoor temperature thermistor Temperature C Resistance kΩ Voltage V 30 0 224 33 0 73 25 0 159 71 0 97 20 0 115 24 1 25 15 0 84 21 1 56 10 0 62 28 1 90 5 0 46 58 2 26 0 0 35 21 2 61 5 0 26 88 2 94 10 0 20 72 3 25 15 0 16 12 3 52 20 0 12 64 3 76 25 0 10 00 3 97 30 0 7 97 4 14 35 0 6 40 4 28 40 0 5 18 4 4...

Page 91: ...4 CONTROL AND FUNCTIONS 2021 12 16 SR_CH04_AS059EJ_01 ...

Page 92: ...on control 04 21 6 1 Defrost operation in heating operation stopped 04 22 7 Various control 04 23 7 1 Auto restart 04 23 7 2 MANUAL AUTO operation 04 23 7 3 Forced cooling operation 04 24 7 4 ECONOMY operation 04 24 7 5 POWERFUL operation 04 24 7 6 Fresh air control 04 25 7 7 Compressor preheating 04 25 7 8 Electronic expansion valve control 04 25 7 9 Prevention to restart for 3 minutes 3 minutes ...

Page 93: ... is 1 0 C lower 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 rotation number of compressor is controlled within the range shown in the table below However the maximum rotation number is limited in the range shown in the figure below based on the in door fan mode and the outdoor temperature Rotat...

Page 94: ...temperature zone Indoor unit fan mode HIGH MED LOW QUIET RSG07KPCE RSG09KPCE A zone 84 49 36 24 B zone 84 49 36 24 C zone 84 49 36 24 D zone 60 44 34 22 E zone 60 44 34 22 F zone 60 44 34 22 RSG12KPCE A zone 90 52 36 24 B zone 90 52 36 24 C zone 90 52 36 24 D zone 64 46 34 22 E zone 64 46 34 22 F zone 64 46 34 22 1 1 Cooling operation 04 2 1 Rotation number control of compressor CONTROL AND FUNCTI...

Page 95: ... of compressor is controlled within the range shown below Rotation number range of compressor Unit rps Model name Minimum rotation number Maximum rotation number RSG07KPCE RSG09KPCE RSG12KPCE 10 114 Limit of maximum speed based on outdoor temperature In heating operation maximum rotation number is defined by outdoor temperature and fan mode A zone 12 C B zone 14 C C zone 10 C 12 C Outdoor temperat...

Page 96: ...ure 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 temperature 1 4 Rotation number of compressor at normal start up Models ROG07KPCA ROG09KPCA and ROG12KPCA Rotation number of compressor soon after starting is controlled as below Rotation number I Rotation number II Rotation number III Rotation number IV Rotation number V Rotation numb...

Page 97: ... 33 rps D zone 28 rps E zone 16 rps F zone 21 rps ROG12KPCA A zone 38 rps B zone 38 rps C zone 33 rps D zone 28 rps E zone 16 rps F zone 21 rps Heating mode F zone 19 C E zone 5 C D zone 0 C C zone B zone A zone 15 C 25 C Model name Outdoor temperature zone Limitation of compressor rotation number ROG07KPCA ROG09KPCA ROG12KPCA A zone 43 rps B zone 43 rps C zone 30 rps D zone 18 rps E zone 16 rps F...

Page 98: ...dle 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 Outdoo...

Page 99: ...ation 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 7 2 A...

Page 100: ...prevention 630 630 S LOW 580 580 Cooling Fan POWERFUL 1 370 1 470 HIGH 1 300 1 400 MED 1 080 1 140 LOW 850 890 QUIET 650 630 Soft quiet 580 1 580 1 S LOW 580 2 580 2 Dry X zone 650 J zone 650 X zone 650 J zone 650 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 opera...

Page 101: ...Dry operation During dry operation fan speed setting can not be changed as shown in Fan speed above Heating operation Switch the airflow AUTO and the indoor fan motor will run according to a room temperature as be low On the other hand if switched in HIGH QUIET the indoor motor will run at a constant airflow of HEAT operation modes QUIET LOW MED HIGH as shown in Fan speed above Airflow change over...

Page 102: ...oor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 28 C MED or setting fan mode LOW or setting fan mode Lower speed is selected 7 minutes later 42 C Indoor heat exchanger temperature rises HIGH or setting fan mode Indoor heat exchanger temperature drops 39 C 37 C 30 C 37 C 34 C 32 C 28 C MED or setting fan mode LOW or setting fan mode Lower speed is selected LOW or setting fan mode...

Page 103: ...30 C 37 C 34 C 32 C 28 C POWERFUL LOW LOW LOW 10 C HEAT operation Indoor heat exchanger temperature rises Indoor heat exchanger temperature drops 39 C 34 C AUTO LOW Moisture 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 In...

Page 104: ... Cooling Heating Dry Cooling or dry at low outdoor temp Y zone Y zone Z zone F zone G zone S HIGH2 930 S HIGH1 950 930 HIGH 950 930 10 690 9 950 690 950 950 950 950 8 780 690 780 780 270 250 7 780 690 780 780 270 250 6 780 690 780 540 270 200 5 780 690 780 360 240 170 4 780 550 780 270 210 170 3 680 510 680 270 190 170 2 610 480 610 270 190 170 1 580 480 580 270 170 170 NOTE After defrost control ...

Page 105: ...e G zone S HIGH2 1 020 S HIGH1 950 1 020 HIGH 950 1 020 10 790 9 950 790 950 950 950 950 8 900 790 900 900 350 300 7 900 790 900 900 350 300 6 900 790 900 560 350 300 5 900 730 900 420 320 230 4 800 630 800 350 290 230 3 680 530 680 350 270 230 2 580 470 580 350 270 230 1 540 470 540 350 250 230 NOTE After defrost control on the heating mode the fan speed is kept higher regardless of the compresso...

Page 106: ...peration airflow will be hori zontal 1 the air direction cannot be adjusted during this period The airflow direction setting will temporarily become 1 when the temperature of the airflow is low at the start of the Heating mode After beginning of AUTO HEAT mode operated and automatic defrosting operation the airflow will be horizontal 1 However the airflow direction cannot be adjusted at beginning ...

Page 107: ...inging range Cooling mode dry mode fan mode 1 to 3 1 4 Heating mode fan mode 4 to 6 3 6 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 To select horizontal airflow swing operation No function 4 3 Swing operation 04 15 4 Louver control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 108: ...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 ...

Page 109: ...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...

Page 110: ...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...

Page 111: ...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...

Page 112: ...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...

Page 113: ...10 5 deg Tn 6 C Tn Tnb 2 deg Tn 6 C Tn 17 C Ta 10 C Tn Ta 7 C or Tn 20 C Ta 10 C Integrating defrost Constant monitoring Compressor integrating operation time More than 240 min For long continuous operation More than 213 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 t...

Page 114: ...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...

Page 115: ...emote control setting WLAN LED setting 7 2 MANUAL AUTO operation When the wireless remote controller is lost or battery power dissipated this function will work without the remote controller When MANUAL AUTO button is pressed more than 3 seconds and less than 10 seconds MANUAL AUTO operation starts as shown in the table below To stop operation press the MANUAL AUTO button for 3 seconds Operation m...

Page 116: ...CED COOLING OPERATION button for 3 seconds 60 minutes passed after starting forced cooling operation NOTE When HEAT operation is selected on the remote controller during forced cooling operation heating test run will begin in about 3 minutes 7 4 ECONOMY operation The ECONOMY operation starts by pressing ECONOMY button on the remote controller The ECONOMY operation is almost the same operation as b...

Page 117: ...of the electronic expansion valve is calculated and controlled under the present operating condition based on the table below Operation mode Pulse range Cooling dry mode Between 52 and 480 pulses Heating mode NOTE At the time of supplying the power to the outdoor unit the initialization of the electronic ex pansion valve is operated 528 pulses are input to the closing direction 7 9 Prevention to r...

Page 118: ...nergized for heating When the air conditioner is switched between cooling and heating mode compressor is stopped and the 4 way valve is switched when the 140 seconds passes and the compressor is started 7 10 4 way valve control 04 26 7 Various control CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 119: ... stopped and the indoor unit LED starts blinking Trigger condition 104 C Rotation number of compressor 20 rps 120 seconds Release condition 101 C Compressor protection temperature 110 C 8 2 Anti freezing control cooling and dry mode The rotation number of compressor is decrease in cooling and dry mode when the indoor unit heat exchanger temperature sensor detects the temperature lower than the tri...

Page 120: ... 5 A 8 0 A 8 4 Cooling pressure over rise protection When the outdoor unit heat exchanger temperature reaches trigger condition below the compressor is stopped and trouble display is performed Trigger condition 65 C 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 ...

Page 121: ... ROG09KPCA and ROG12KPCA Indoor unit heat exchanger temperature rises Indoor unit heat exchanger temperature 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 rotation number of compressor is decreased 25 rps 120 sec Zone C 3 rps 60 sec Zone D The protection is released and the operation is return...

Page 122: ...8 8 High temperature and high pressure release control 04 30 8 Various protections CONTROL AND FUNCTIONS CONTROL AND FUNCTIONS ...

Page 123: ...5 FILED WORKING 2021 12 16 SR_CH05_AS059EJ_01 ...

Page 124: ...CONTENTS 5 FILED WORKING 1 Function settings 05 1 1 1 Function settings by using remote controller 05 1 1 2 Custom code setting for wireless remote controller 05 6 ...

Page 125: ...ter the function setting mode STEP 1 Setting the remote controller custom code Use the following steps to select the custom code of the remote controller Note that the air condi tioner cannot receive a custom code if the air conditioner has not been set for the custom code The custom codes that are set through this process are applicable only to the signal in the function setting For details on ho...

Page 126: ... digits press the MODE but ton 4 Press the TIMER button and START STOP button in the or der listed to confirm the settings 5 Press the RESET button to cancel the function setting mode 6 After completing the function setting be sure to disconnect the pow er supply and then reconnect it Function number Setting value CAUTION After disconnecting the power supply wait 30 seconds or more before reconnec...

Page 127: ...te controller custom code 5 49 Indoor unit fan control for energy saving for cooling 1 Filter sign Select appropriate intervals for displaying the filter sign on the indoor unit according to the estimated amount of dust in the air of the room If the indication is not required select No indication 03 Function number Setting value Setting description Factory setting 11 00 Standard 400 hours 01 Long ...

Page 128: ...ard setting 01 No correction 0 0 C 02 0 5 C More cooling Less heating 03 1 0 C 04 1 5 C 05 2 0 C 06 2 5 C 07 3 0 C 08 3 5 C 09 4 0 C 10 0 5 C Less cooling More heating 11 1 0 C 12 1 5 C 13 2 0 C 14 2 5 C 15 3 0 C 16 3 5 C 17 4 0 C 3 Auto restart Enables or disables automatic restart after a power interruption Function number Setting value Setting description Factory setting 40 00 Enable 01 Disable...

Page 129: ...ion number Setting value Setting description Factory setting 49 00 Disable 01 Enable 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 operates intermittently at a very low speed 1 1 Function settings by using remote controller 05 5 1 Function settings FIELD WORKING FI...

Page 130: ...e for the air conditioner 1 Press the START STOP button until the indicators on the re mote controller turn off 2 Press the MODE button for at least 5 seconds to display the current custom code Initially set to 3 Press the TEMP SELECT buttons to change the custom code between Match the code on the display to the air conditioner custom code Initially set to 4 Press the MODE button again to return t...

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