Daikin FLKS50BVMB Manuel de service

Inverter PairFloor / Ceiling Suspended Dual TypeB-Series[Applied Models]zzzzInverter Pair : Cooling Only zzzzInverter Pair : Heat PumpzzzzNon-Inverter

SiBE05-312List of Functions 1Part 1Part 1Part 1Part 1List of FunctionsList of FunctionsList of FunctionsList of Functions1. List of Functions...

SiBE05-312 TroubleshootingService Diagnosis 914.16 Electrical Box Temperature RiseRemote Controller DisplayL3Method of Malfunction DetectionAn electri

Troubleshooting SiBE05-31292 Service DiagnosisTroubleshootingCheck No.6Refer to P.104Check No.7Refer to P.105Check No.9Refer to P.106Turn off the powe

SiBE05-312 TroubleshootingService Diagnosis 934.17 Radiation Fin Temperature RiseRemote Controller DisplayL4Method of Malfunction DetectionA radiation

Troubleshooting SiBE05-31294 Service DiagnosisTroubleshootingCheck No.6Refer to P.104Check No.7Refer to P.105Check No.9Refer to P.106Turn off the powe

SiBE05-312 TroubleshootingService Diagnosis 954.18 Output Over Current DetectionRemote Controller DisplayL5Method of Malfunction DetectionAn output ov

Troubleshooting SiBE05-31296 Service DiagnosisTroubleshootingCheck No.7Refer to P.105Check No.8Refer to P.106Check No.13Refer to P.108Fully open the s

SiBE05-312 TroubleshootingService Diagnosis 974.19 Insufficient GasRemote Controller DisplayU0Method of Malfunction DetectionGas shortage detection I

Troubleshooting SiBE05-31298 Service DiagnosisTroubleshootingCheck No.4Refer to P.102Check No.6Refer to P.104Reconnect in position.Open the stop valve

SiBE05-312 TroubleshootingService Diagnosis 994.20 Low-voltage DetectionRemote Controller DisplayU2Method of Malfunction DetectionAn abnormal voltage

Troubleshooting SiBE05-312100 Service Diagnosis4.21 High Pressure Control in CoolingRemote Controller DisplayF6Method of Malfunction DetectionHigh-pre

List of Functions SiBE05-3122 List of Functions1. List of FunctionsCategory FunctionsFLKS50BVMBRKS50BVMBFLXS50BVMBRXS50BVMBCategory FunctionsFLKS50BVM

SiBE05-312 TroubleshootingService Diagnosis 101TroubleshootingCheck No.4Refer to P.102Check No.6Refer to P.104Check No.7Refer to P.105Check No.9Refer

Check SiBE05-312102 Service Diagnosis5. Check5.1 How to Check5.1.1 Electronic Expansion Valve CheckCheck No.4 Conduct the followings to check the elec

SiBE05-312 CheckService Diagnosis 1035.1.2 Four Way Valve Performance CheckCheck No.5Turn off the power and turn it on again.Start the heating-mode ru

Check SiBE05-312104 Service Diagnosis5.1.3 Thermistor Resistance CheckCheck No.6 Remove the connectors of the thermistors on the PCB, and measure the

SiBE05-312 CheckService Diagnosis 1055.1.4 Installation Condition CheckCheck No.7Installation condition checkNormalChange the position of the air disc

Check SiBE05-312106 Service Diagnosis5.1.5 Discharge Pressure CheckCheck No.85.1.6 Outdoor Unit Fan System Check (With DC Motor)Check No.9Discharge pr

SiBE05-312 CheckService Diagnosis 1075.1.7 Power Supply Waveforms CheckCheck No.10 Measure the power supply waveform between pins 1 and 3 on the termi

Check SiBE05-312108 Service Diagnosis5.1.9 Capacitor Voltage CheckCheck No.12 Before this checking, be sure to check the main circuit for short-circui

SiBE05-312 CheckService Diagnosis 1095.1.11 Main Circuit Electrolytic Capacitor CheckCheck No.14Checking the main circuit electrolytic capacitorzNeve

Check SiBE05-312110 Service Diagnosis5.1.13 Hall IC CheckCheck No.16 1. Check the connector connection.2. With the power ON, operation OFF, and the co

SiBE05-312 List of FunctionsList of Functions 3Category FunctionsFLKS50BVMBRS50BVMBCategory FunctionsFLKS50BVMBRS50BVMBBasic FunctionInverter (with In

SiBE05-312Removal Procedure 111Part 7Part 7Part 7Part 7Removal ProcedureRemoval ProcedureRemoval ProcedureRemoval Procedure1. Indoor Unit...

Indoor Unit SiBE05-312112 Removal Procedure1. Indoor Unit1.1 Removal of the Air Filter / Front GrilleProcedure Warning Be sure to wait 10 minutes or m

SiBE05-312 Indoor UnitRemoval Procedure 1132Holding the tab at the center of filter frame, pull the air filter forward.3Remove the air filter by pulli

Indoor Unit SiBE05-312114 Removal Procedure2To remove the front grille, disengage hooks at three locations.4. Remove the side panel cover.1Remove the

SiBE05-312 Indoor UnitRemoval Procedure 1151.2 Removal of the Front PanelProcedure Warning Be sure to wait 10 minutes or more after turning off all po

Indoor Unit SiBE05-312116 Removal Procedure4Disengage the three hooks of the front panel located at discharge port.5Press A-section slightly at the ce

SiBE05-312 Indoor UnitRemoval Procedure 1171.3 Removal of the Horizontal BladeProcedure Warning Be sure to wait 10 minutes or more after turning off a

Indoor Unit SiBE05-312118 Removal Procedure1.4 Removal of the Signal Receiver Unit / Swing MotorProcedure Warning Be sure to wait 10 minutes or more a

SiBE05-312 Indoor UnitRemoval Procedure 1191.5 Removal of the Discharge GrilleProcedure Warning Be sure to wait 10 minutes or more after turning off a

Indoor Unit SiBE05-312120 Removal Procedure1.6 Removal of the Drain PanProcedure Warning Be sure to wait 10 minutes or more after turning off all powe

List of Functions SiBE05-3124 List of Functions

SiBE05-312 Indoor UnitRemoval Procedure 1211.7 Removal of the Electrical Box / PCBProcedure Warning Be sure to wait 10 minutes or more after turning o

Indoor Unit SiBE05-312122 Removal Procedure4The illustration shows the control PCB (indoor unit).5Disconnect the terminals from the terminal strip boa

SiBE05-312 Indoor UnitRemoval Procedure 1236The illustration shows the power supply PCB (indoor unit).2. Remove the electrical box.Slide the box todi

Indoor Unit SiBE05-312124 Removal Procedure1.8 Removal of the Fan Rotor / Fan MotorProcedure Warning Be sure to wait 10 minutes or more after turning

SiBE05-312 Indoor UnitRemoval Procedure 1253Remove the two screws to remove fan motor fixtures.4Remove the bearing fixture.5Loosen the shaft supportin

Indoor Unit SiBE05-312126 Removal Procedure1.9 Removal of the Heat ExchangerProcedure Warning Be sure to wait 10 minutes or more after turning off all

SiBE05-312 Indoor UnitRemoval Procedure 1274Hooking piece is located on the piping side of the heat exchanger.Warning!Do not contaminate any gas (incl

Outdoor Unit SiBE05-312128 Removal Procedure2. Outdoor Unit2.1 Removal of the Panels and PlatesProcedure Warning Be sure to wait 10 minutes or mo

SiBE05-312 Outdoor UnitRemoval Procedure 129The front grille has four claws. Slide the discharge grille upwards and remove it.3Loosen the six screws

Outdoor Unit SiBE05-312130 Removal Procedure5Undo the right side claw, and then the left side claws.Remove the front panel.Lift the front panel and r

SiBE05-312Specifications 5Part 2Part 2Part 2Part 2SpecificationsSpecificationsSpecificationsSpecifications1. Specifications ...

SiBE05-312 Outdoor UnitRemoval Procedure 1312. Remove the stop valve cover.1Loosen the screw of the stop valve cover.2Pull down the stop valve cover t

Outdoor Unit SiBE05-312132 Removal Procedure2.2 Removal of the Fan Motor / Propeller FanProcedure Warning Be sure to wait 10 minutes or more afte

SiBE05-312 Outdoor UnitRemoval Procedure 1332. Remove the fan motor.1Disconnect the connector for fan motor (S70).2The illustration shows arrangement

Outdoor Unit SiBE05-312134 Removal Procedure3Unscrew the washer-fitted nut (M10) of the propeller fan with a spanner.Align mark of the propeller fa

SiBE05-312 Outdoor UnitRemoval Procedure 1355Pull the fan motor out.Put the lead wire through the back of the motor when reassembling. (so as not to

Outdoor Unit SiBE05-312136 Removal Procedure2.3 Removal of the PCB / Electrical BoxProcedure Warning Be sure to wait 10 minutes or more after tur

SiBE05-312 Outdoor UnitRemoval Procedure 137Insert the two claws of the lower part and the one claw of the upper back when reassembling.2. Disconnect

Outdoor Unit SiBE05-312138 Removal Procedure2Push the claw up to release the cable way board. Open the cable way board.3Disconnect the harnesses from

SiBE05-312 Outdoor UnitRemoval Procedure 1395Loosen the screw of the control PCB.6Undo the two claws and release the control PCB from the ditch of the

Outdoor Unit SiBE05-312140 Removal Procedure9Disconnect the connectors.S31: to the SPMS32: to the SPMS33: to the MIDS71: to the MIDS91: fin thermistor

Specifications SiBE05-3126 Specifications1. Specifications1.1 Cooling Only230V, 50HzNotes: MAX. interunit piping length: 30m MAX. interunit height d

SiBE05-312 Outdoor UnitRemoval Procedure 14111Disconnect the relaying wire connector for the compressor.12Release the clamp by pliers.13Disconnect the

Outdoor Unit SiBE05-312142 Removal Procedure14Pull the clamp and draw the thermistor harness out from the back of the electrical box. 15Loosen the scr

SiBE05-312 Outdoor UnitRemoval Procedure 14316Release the clamp of the four way valve harness.17Lift the electrical box and remove it.StepProcedure Po

Outdoor Unit SiBE05-312144 Removal Procedure2.4 Removal of the ReactorProcedure Warning Be sure to wait 10 minutes or more after turning off all

SiBE05-312 Outdoor UnitRemoval Procedure 1453Lift the partition plate and remove it.4Loosen the screw.Slide the reactor and remove it from the partiti

Outdoor Unit SiBE05-312146 Removal Procedure2.5 Removal of the Sound BlanketProcedure Warning Be sure to wait 10 minutes or more after turning of

SiBE05-312 Outdoor UnitRemoval Procedure 1474Remove the sound blanket (side-outer).Since the piping ports on the sound blanket (side-outer) are torn

Outdoor Unit SiBE05-312148 Removal Procedure2.6 Removal of the Four Way ValveProcedure Warning Be sure to wait 10 minutes or more after turning o

SiBE05-312 Outdoor UnitRemoval Procedure 1492.7 Removal of the Electronic Expansion ValveProcedure Warning Be sure to wait 10 minutes or more aft

Outdoor Unit SiBE05-312150 Removal Procedure2.8 Removal of the CompressorProcedure Warning Be sure to wait 10 minutes or more after turning off a

SiBE05-312 SpecificationsSpecifications 71.2 Heat Pump230V, 50HzNotes: MAX. interunit piping length: 30m MAX. interunit height difference: 20m Amou

SiBE05-312 Outdoor UnitRemoval Procedure 1513Unscrew the nut of the compressor.4Remove the putty of the accumulator.Before working, make sure that th

Outdoor Unit SiBE05-312152 Removal Procedure

SiBE05-312Others 153Part 8Part 8Part 8Part 8OthersOthersOthersOthers1. Others ...

Others SiBE05-312154 Others1. Others1.1 Test Run from the Remote ControllerFor Heat pump In cooling mode, select the lowest programmable temperature;

SiBE05-312 OthersOthers 1551.2 Jumper Settings1.2.1 When Two Units are Installed in One RoomWhen two indoor units are installed in one room, the two w

Others SiBE05-312156 Others

SiBE05-312Appendix 157Part 9Part 9Part 9Part 9AppendixAppendixAppendixAppendix1. Piping Diagrams...

Piping Diagrams SiBE05-312158 Appendix1. Piping Diagrams1.1 Indoor UnitsFLKS50BVMB, FLXS50BVMBFIELD PIPINGFIELD PIPING((6.4CuT)CuT)INDOOR UNITSIROCCO

SiBE05-312 Piping DiagramsAppendix 1591.2 Outdoor UnitsRKS50BVMB, RS50BVMBRXS50BVMBOUTDOOR UNIT9.5CuT12.7CuTHEAT EXCHANGERTHERMISTOR7.9CuTDISCHARGE PI

Wiring Diagrams SiBE05-312160 Appendix2. Wiring Diagrams2.1 Indoor UnitsFLKS50BVMB, FLXS50BVMBRECEIVERSIGNALLEDH1PCONTROLLERWIRELESSPCB3LEDH2PREMOTEPC

Specifications SiBE05-3128 Specifications

SiBE05-312 Wiring DiagramsAppendix 1612.2 Outdoor UnitsRKS50BVMB, RS50BVMBRXS50BVMB~60Hz 220-230V~50Hz 220-240VFIELD WIRINGTO INDOOR UNITPOWER SUPPLYN

Wiring Diagrams SiBE05-312162 Appendix

SiBE05-312Index iIndexIndexIndexIndexNumerics00 ...713 minutes standby ...

SiBE05-312ii IndexF3 ...85F6 ...

SiBE05-312Index iiioutput over current detection ...95over current ...39,

SiBE05-312iv IndexWwiring diagrams ...160

SiBE05-312Drawings & Flow Charts vDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsDrawings & Flow ChartsAARC433A

SiBE05-312vi Drawings & Flow Chartssignal transmission error (between indoor and outdoor units) ...77SPM ...

Head office:Umeda Center Bldg., 4-12, Nakazaki-Nishi 2-chome,Kita-ku, Osaka, 530-8323 JapanTokyo office:Shinjuku Sumitomo Bldg., 6-1 Nishi-Shinjuku2-c

SiBE05-312Printed Circuit Board Connector Wiring Diagram 9Part 3Part 3Part 3Part 3Printed Circuit BoardPrinted Circuit BoardPrinted Circuit BoardPrint

Printed Circuit Board Connector Wiring Diagram SiBE05-31210 Printed Circuit Board Connector Wiring Diagram1. Printed Circuit Board Connector Wiring Di

SiBE05-312Table of Contents iInverter PairInverter PairInverter PairInverter PairB-SeriesB-SeriesB-SeriesB-SerieszCooling OnlyIndoor UnitFLKS50BVMBOut

SiBE05-312 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 11PCB Detail PCB (1) : Control PCB (indoor uni

Printed Circuit Board Connector Wiring Diagram SiBE05-31212 Printed Circuit Board Connector Wiring Diagram1.2 Outdoor UnitConnectorsNote: Other Design

SiBE05-312 Printed Circuit Board Connector Wiring DiagramPrinted Circuit Board Connector Wiring Diagram 13PCB Detail PCB (1) : Control PCB (outdoor un

Printed Circuit Board Connector Wiring Diagram SiBE05-31214 Printed Circuit Board Connector Wiring DiagramMIDSPMS34S72(R2868)S70FU201 (3.15A)(R2869)CN

SiBE05-312Function and Control 15Part 4Part 4Part 4Part 4 Function and Control Function and Control Function and Control Function and Control1. Main F

Main Functions SiBE05-31216 Function and Control1. Main FunctionsNote: See the list of functions for the functions applicable to different models.1.1

SiBE05-312 Main FunctionsFunction and Control 17Inverter Features The inverter provides the following features:The regulating capacity can be changed

Main Functions SiBE05-31218 Function and Control1.2 Auto-SwingAuto-Swing The following table explains the auto-swing process for heating, cooling, dr

SiBE05-312 Main FunctionsFunction and Control 191.3 Fan Speed Control for Indoor UnitsControl Mode The airflow rate can be automatically controlled de

Main Functions SiBE05-31220 Function and Control1.4 Programme Dry FunctionProgramme dry function removes humidity while preventing the room temperatur

SiBE05-312ii Table of Contents1. Introduction ...v1.1 Safety

SiBE05-312 Main FunctionsFunction and Control 211.5 Automatic OperationAutomatic Cooling / Heating Function (Heat Pump Only)When the AUTO mode is sele

Main Functions SiBE05-31222 Function and Control1.6 Night Set ModeWhen the OFF timer is set, the Night Set circuit automatically activates.The Night S

SiBE05-312 Main FunctionsFunction and Control 231.7 Home Leave OperationOutline In order to respond to the customer's need for immediate heating

Main Functions SiBE05-31224 Function and Control1.8 Inverter Powerful OperationOutline In order to exploit the cooling and heating capacity to full ex

SiBE05-312 Main FunctionsFunction and Control 251.9 Other Functions1.9.1 Hot Start FunctionHeat Pump OnlyIn order to prevent the cold air blast that n

Function of Main Structural Parts SiBE05-31226 Function and Control2. Function of Main Structural Parts2.1 Function of Thermistor2.1.1 Heat Pump Model

SiBE05-312 Function of Main Structural PartsFunction and Control 272.1.2 Cooling Only ModelA Outdoor Heat Exchanger Thermistor (DCB)1. The outdoor h

Control Specification SiBE05-31228 Function and Control3. Control Specification3.1 Mode HierarchyOutline There are two modes; the mode selected in use

SiBE05-312 Control SpecificationFunction and Control 293.2 Frequency ControlOutline Frequency will be determined according to the difference between r

Control Specification SiBE05-31230 Function and Control3. Determine lower limit frequencySet a maximum value as an lower limit frequency among the fr

SiBE05-312Table of Contents iiiPart 5 System Configuration...411. System Configuration...

SiBE05-312 Control SpecificationFunction and Control 313.3 Controls at Mode Changing / Start-up3.3.1 Preheating OperationOutline Operate the inverter

Control Specification SiBE05-31232 Function and Control3.4 Discharge Pipe Temperature ControlOutline The discharge pipe temperature is used as the com

SiBE05-312 Control SpecificationFunction and Control 333.6 Freeze-up Protection ControlOutline During cooling operation, the signals being sent from t

Control Specification SiBE05-31234 Function and Control3.8 Fan ControlOutline Fan control is carried out according to the following priority.1. Fan ON

SiBE05-312 Control SpecificationFunction and Control 353.10 Low Hz High Pressure LimitOutline Heat Pump OnlySet the upper limit of high pressure in a

Control Specification SiBE05-31236 Function and Control3.12 Electronic Expansion Valve Control Outline The following items are included in the electro

SiBE05-312 Control SpecificationFunction and Control 373.12.1 Fully Closing with Power ONInitialize the electronic expansion valve when turning on the

Control Specification SiBE05-31238 Function and Control3.12.7 Control when frequency is changedWhen the target discharge pipe temperature control is a

SiBE05-312 Control SpecificationFunction and Control 393.13 Malfunctions3.13.1 Sensor Malfunction DetectionSensor malfunction may occur either in the

Control Specification SiBE05-31240 Function and Control3.14 Forced Operation ModeOutline Forced operating mode includes only forced cooling.Detail For

SiBE05-312iv Table of Contents1.4 Removal of the Signal Receiver Unit / Swing Motor...1181.5 Removal of the Discharge Grille

SiBE05-312System Configuration 41Part 5Part 5Part 5Part 5System ConfigurationSystem ConfigurationSystem ConfigurationSystem Configuration1. System Con

System Configuration SiBE05-31242 System Configuration1. System ConfigurationAfter the installation and test operation of the room air conditioner hav

SiBE05-312 InstructionSystem Configuration 432. Instruction2.1 Safety Precautions2•Keep this manual where the operator can easily find them.•Read this

Instruction SiBE05-31244 System Configuration3•Do not stand or sit on the outdoor unit. Do not place any object on the unit to avoid injury, do not re

SiBE05-312 InstructionSystem Configuration 452.2 Names of Parts4 Indoor UnitThe indoor unit can be installed either to the ceiling or to a wall. The d

Instruction SiBE05-31246 System Configuration5 Outdoor Unit Indoor Unit1. Louvres (vertical blades):The louvres are inside of the air outlet.(page

SiBE05-312 InstructionSystem Configuration 476 Remote Controller1. Signal transmitter:•It sends signals to the indoor unit.2. Display:• It displays th

Instruction SiBE05-31248 System Configuration2.3 Preparation before Operation7 To set the batteries1. Press with a finger and slide the front cover

SiBE05-312 InstructionSystem Configuration 498 To operate the remote controller• To use the remote controller, aim the transmitter at the indoor unit.

Instruction SiBE05-31250 System Configuration9 To set the clock1. Press “CLOCK button”.is displayed.blinks.2. Press “TIMER setting button” to set the

SiBE05-312 Introductionv1. Introduction1.1 Safety CautionsCautions and WarningsBe sure to read the following safety cautions before conducting repair

SiBE05-312 InstructionSystem Configuration 512.4 AUTO · DRY · COOL · HEAT · FAN Operation10The air conditioner operates with the operation mode of you

Instruction SiBE05-31252 System Configuration11 To change the air flow rate setting5. Press “FAN setting button”.• Indoor unit quiet operationWhen the

SiBE05-312 InstructionSystem Configuration 532.5 Adjusting the Air Flow Direction12You can adjust the air flow direction to increase your com-fort. To

Instruction SiBE05-31254 System Configuration13 To adjust the vertical blades (louvres)•When adjusting the louvre, use a robust and stable stool and w

SiBE05-312 InstructionSystem Configuration 552.6 POWERFUL Operation14POWERFUL operation quickly maximizes the cooling (heating) effect in any operatio

Instruction SiBE05-31256 System Configuration2.7 OUTDOOR UNIT SILENT Operation15OUTDOOR UNIT SILENT operation lowers the noise level of the outdoor un

SiBE05-312 InstructionSystem Configuration 572.8 HOME LEAVE Operation16HOME LEAVE operation is a function which allows you to record your preferred te

Instruction SiBE05-31258 System Configuration17 What’s the HOME LEAVE operationIs there a set temperature and air flow rate which is most comfortable,

SiBE05-312 InstructionSystem Configuration 592.9 TIMER Operation18Timer functions are useful for automatically switching the air conditioner on or off

Instruction SiBE05-31260 System Configuration19 To use ON TIMER operation• Check that the clock is correct. If not, set the clock to the present time

Introduction SiBE05-312vi1.1.2 Cautions Regarding Products after RepairCautionDo not repair the electrical components with wet hands.Working on the eq

SiBE05-312 InstructionSystem Configuration 612.10 Care and Cleaning22CAUTION Indoor unit, Outdoor unit and Remote controller1. Wipe them with dry so

Instruction SiBE05-31262 System Configuration231. Open the front grille. (page 22)2. Pull out the air filters.•Push upwards the tab at the center of e

SiBE05-312 InstructionSystem Configuration 6324Check Before a long idle period1. Operate the “fan only” for several hours on a fine day to dry out the

Instruction SiBE05-31264 System Configuration2.11 Troubleshooting25The following cases are not air conditioner troubles but have some reasons. You may

SiBE05-312 InstructionSystem Configuration 6526Please check again before calling a repair person.Check again.Case CheckThe air conditioner does not op

Instruction SiBE05-31266 System Configuration27WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OF

SiBE05-312Service Diagnosis 67Part 6Part 6Part 6Part 6Service DiagnosisService DiagnosisService DiagnosisService Diagnosis1. Caution for Diagnosis...

Caution for Diagnosis SiBE05-31268 Service Diagnosis1. Caution for DiagnosisThe Operation lamp flashes when any of the following errors is detected.1.

SiBE05-312 Problem Symptoms and MeasuresService Diagnosis 692. Problem Symptoms and MeasuresSymptom Check Item Details of Measure ReferencePageNone of

Service Check Function SiBE05-31270 Service Diagnosis3. Service Check FunctionIn the ARC433A series remote controller, the temperature display section

SiBE05-312 Introductionvii1.1.3 Inspection after RepairBe sure to use an exclusive power circuit for the equipment, and follow the technical standards

SiBE05-312 TroubleshootingService Diagnosis 714. Troubleshooting4.1 Error Codes and Description★: Displayed only when system-down occurs.Code Indicati

Troubleshooting SiBE05-31272 Service Diagnosis4.2 Indoor Unit PCB AbnormalityRemote Controller DisplayA1Method of Malfunction DetectionEvaluation of z

SiBE05-312 TroubleshootingService Diagnosis 734.3 Freeze-up Protection Control or High Pressure ControlRemote Controller DisplayA5Method of Malfunctio

Troubleshooting SiBE05-31274 Service DiagnosisTroubleshootingCheck No.6Refer to P.104Note: If the outside temperature is below –10°C in the cooling mo

SiBE05-312 TroubleshootingService Diagnosis 754.4 Fan Motor (AC Motor) or Related AbnormalityRemote Controller DisplayA6Method of Malfunction Detectio

Troubleshooting SiBE05-31276 Service Diagnosis4.5 Thermistor or Related Abnormality (Indoor Unit)Remote Controller DisplayC4, C9 Method of Malfunction

SiBE05-312 TroubleshootingService Diagnosis 774.6 Signal Transmission Error (between Indoor and Outdoor Units)Remote Controller DisplayU4Method of Mal

Troubleshooting SiBE05-31278 Service Diagnosis4.7 OL Activation (Compressor Overload)Remote Controller DisplayE5Method of Malfunction DetectionA compr

SiBE05-312 TroubleshootingService Diagnosis 794.8 Compressor LockRemote Controller DisplayE6Method of Malfunction DetectionA compressor lock is detect

Troubleshooting SiBE05-31280 Service Diagnosis4.9 DC Fan LockRemote Controller DisplayE7Method of Malfunction DetectionA fan motor or related error is

Introduction SiBE05-312viii1.1.4 Using IconsIcons are used to attract the attention of the reader to specific information. The meaning of each icon is

SiBE05-312 TroubleshootingService Diagnosis 814.10 Input Over Current DetectionRemote Controller DisplayE8Method of Malfunction DetectionAn input over

Troubleshooting SiBE05-31282 Service DiagnosisTroubleshootingCheck No.7Refer to P.105Check No.8Refer to P.106Check No.14Refer to P.109Replace the outd

SiBE05-312 TroubleshootingService Diagnosis 834.11 Four Way Valve AbnormalityRemote Controller DisplayEAMethod of Malfunction DetectionThe room temper

Troubleshooting SiBE05-31284 Service DiagnosisTroubleshootingCheck No.5Refer to P.103Check No.6Refer to P.104Check No.11Refer to P.107Correct.Reconnec

SiBE05-312 TroubleshootingService Diagnosis 854.12 Discharge Pipe Temperature ControlRemote Controller DisplayF3Method of Malfunction DetectionThe dis

Troubleshooting SiBE05-31286 Service Diagnosis4.13 Position Sensor AbnormalityRemote Controller DisplayH6Method of Malfunction DetectionA compressor s

SiBE05-312 TroubleshootingService Diagnosis 874.14 CT or Related AbnormalityRemote Controller DisplayH8Method of Malfunction DetectionA CT or related

Troubleshooting SiBE05-31288 Service DiagnosisTroubleshootingCheck No.12Refer to P.108Turn off the power and turn it on again.Check No. 12Check the ca

SiBE05-312 TroubleshootingService Diagnosis 894.15 Thermistor or Related Abnormality (Outdoor Unit)Remote Controller DisplayP4, J3, J6, H9Method of Ma

Troubleshooting SiBE05-31290 Service DiagnosisTroubleshootingCheck No.6Refer to P.104P4 : Radiation fin thermistorJ3 : Discharge pipe thermistorJ6 : O