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4-18

Samsung Electronics

Indoor unit display

 

X (Operation)     

 

X (Defrost)     

 

 (Timer)     X (Filter)

 

Symptom

Indoor unit fan does not run /Runs at excessive high speed and stops

Failure

Check if the motor connector is disconnected/ check the motor fan assembly status

4-3-3 Indoor FAN error

Yes

No

Yes

Is there foreign substance 

stuck in the motor fan?

Yes

Is the motor connector 

disconnected from the PCB?

Replace the PCB and restart the unit

Connect the connector to 

PCB and restart the unit

Remove the foreign substance 

and restart the unit

Содержание AC026MXADKH

Страница 1: ... Diagram 6 Wiring Diagram 7 Reference Sheet AC026NNNDKH AC035NNNDKH AC052NNNDKH AC060NNNDKH AC071NNNDKH AC026MXADKH AC035MXADKH AC071MXADKH Mini 4WAY CASSETTE SERIES INDOOR UNIT OUTDOOR UNIT Model AC026NNNDKH AC035NNNDKH AC052NNNDKH AC060NNNDKH AC071NNNDKH AC026MXADKH AC035MXADKH AC052MXADKH AC060MXADKH AC071MXADKH AC052MXADKH AC060MXADKH ...

Страница 2: ...1 2 Setting the indoor unit addresses 4 6 4 1 3 Setting the installation options in a batch 4 7 4 1 4 Changing the addresses and options individually 4 9 4 2 Items to check before diagnostics 4 10 4 2 1 Four directions cassette type 4 10 4 2 2 Test run mode and View mode 4 11 4 2 3 Troubleshooting for outdoor unit 4 12 4 2 4 Wired remote controller 4 14 4 3 Troubleshooting by symptoms 4 16 4 3 1 I...

Страница 3: ...k voltage sensor error 4 38 4 4 13 Current sensor error Input current sensor error 4 39 4 4 14 Heatsink sensor error Heatsink over heat 4 40 4 4 15 Comp Vlimit error Comp current limit error 4 41 4 4 16 EEPROM error OTP error 4 42 4 4 17 AC zero cross signal error 4 43 4 4 18 Operation condition secession error 4 44 4 4 19 Capacity miss match error 4 45 4 4 20 Gas leak error 4 46 4 4 21 MDS Error ...

Страница 4: ...caused by tracking or short circuit Fasten the valve caps of service valves and charging valves of outdoor unit as much as possible using adjustable wrenches Check the status of the components assembly after repair service The status must be the same as before the repair service 1 2 Precautions related to static electricity and PL The PCB power supply block is susceptible to static electricity The...

Страница 5: ...ck Instruct end users to separate the batteries from the remote controllers and store them separately when the product is not used for long time Otherwise leakage from the dry cell may cause problems with the remote controller 1 4 Other precautions The pipes should have no leaks during installation and the compressor must be stopped before removing connecting pipes for pump down work Operating the...

Страница 6: ...ology it makes a room cool with highly energy saving and arises the efficiency of air conditioner Long Ambient Operation In Low Temperature It can arise the reliability and the capacity of the air conditioner especially operated in low temperature Eco friendly Product Lead Free RoHS WEEE Easy installation of ultra lightweight indoor unit 2 Product Specifications 2 1 The Feature of Product ...

Страница 7: ...it mm 623 653 298 623 653 298 Outdoor Unit mm 926 384 640 926 384 640 Weight Net Weight Indoor Unit kg 11 4 11 4 Outdoor Unit kg 32 8 32 8 Shipping Weight Indoor Unit kg 13 7 13 7 Outdoor Unit kg 35 8 35 8 Harness Specifications Indoor Fan Motor DB31 00578C DB31 00578C Compressor UG9AJ3090FER UG9AJ3090FER Outdoor Fan Motor DB31 00642B DB31 00642B Piping High Pressure 4 1 4 1 Low Pressure 1 4 1 4 P...

Страница 8: ...3 653 298 623 653 298 Outdoor Unit mm 1024 413 730 1024 413 730 Weight Net Weight Indoor Unit kg 11 4 11 4 Outdoor Unit kg 43 8 43 8 Shipping Weight Indoor Unit kg 13 7 13 7 Outdoor Unit kg 47 5 47 5 Harness Specifications Indoor Fan Motor DB31 00578C DB31 00578C Compressor UG9TK3150FE4 UG9TK3150FE4 Outdoor Fan Motor DB31 00658D DB31 00658D Piping High Pressure 4 1 4 1 Low Pressure 1 4 1 4 PANEL P...

Страница 9: ... Outdoor Unit mm 880 310 798 Shipping Dimension WxHxD Indoor Unit mm 623 653 298 Outdoor Unit mm 1023 413 911 Weight Net Weight Indoor Unit kg 11 4 Outdoor Unit kg 43 8 Shipping Weight Indoor Unit kg 13 7 Outdoor Unit kg 47 5 Harness Specifications Indoor Fan Motor DB31 00578C Compressor UG4T200FUAE4 Outdoor Fan Motor DB31 00658D Piping High Pressure 4 1 Low Pressure 1 4 PANEL PC4SUFMAN Refrigeran...

Страница 10: ...B62 11028A 1 Seal drain ass y DB62 11028H 1 Seal drain ass y DB62 11028J 1 USER MANUAL INSTALLATION MANUAL DB68 06489A DB68 06490A 1 CARD WARRNATY DB68 02596B 1 INSTALLATION MANUAL DB68 05688A 1 Essential Offer Outdoor Unit Drain Plug DB67 00477A 1 Rubber Leg DB73 20134A 4 BOLT 6011 003975 4 Essential Offer Panel INSTALLATION MANUAL DB68 03837A 1 2 3 Accessories ...

Страница 11: ...Samsung Electronics 3 1 Item Remarks SCREW DRIVER Adjustable Wrench 8mm 10mm 13mm M6 M8 Hex Wrench Necessary Tools 3 Disassembly and Reassembly ...

Страница 12: ...from dropping 2 Detach the safity clip and take up the grille 3 Remove the 2 fixed screws to remove the Control Box Cover Use Screw Driver 4 Remove the remote control receiver blade conector and humidity sensor wires from the PBA 4EA 5 Push the 4 panel corners and cover downwards to remove it 3 1 Indoor unit AC026NNNDKH AC035NNNDKH AC052NNNDKH AC060NNNDKH AC071NNNDKH ...

Страница 13: ...he indoor unit at the 4 panel corners 7 Press the Hangers at both sides of the panel inwards to remove it from the indoor unit s hook Remove the panel from the indoor unit 2 Blade 1 Remove the hinge blade and blade 3 Display PBA 1 Remove the cover display 2 Remove the cover PBA from the cover display ...

Страница 14: ...isconect the conector wire from the PBA 4 Humidity Sensor 1 Remove the humidity sensor from the panel 5 Step motor 1 Unscrew 2 screws on cover motor Use Screw Driver 2 Remove 2 cover motor 3 Removethe2fixedscrewsanddisassemblethestep motor Use ScrewDriver ...

Страница 15: ...rocedure Remark 6 Control Box 1 Disconnect the Connector Wire that is connected to the indoor unit s PBA 2 Unscrew the 2 fixed screws on both sides of the Control Box and disassemble the Control Box from the indoor unit Use Screw Driver ...

Страница 16: ...crew fixed on the Bell Mouth Use Screw Driver 2 Push the Bell Mouth in the direction opposite to where it s installed on the Control Box to remove it 8 Drain Pan 1 Unscrew the screws on the 4 corners of the indoor unit Use Screw Driver 2 Remove the Drain Pan from the indoor unit ...

Страница 17: ...e from the Drain Pump Use Screw Driver 2 Remove the 2 screws and take the Drain Hose out from the indoor unit to disassemble the transparent Drain Hose fixed on the side of the indoor unit Use Screw Driver 10 Evap Temperature Sensor 1 Use your hand to remove the temperature sensor attached to the Evap Pipe along with the fixing clip ...

Страница 18: ...ngular nuts on the Motor counterclockwise to remove the nuts Take the Motor Wires attached to these three locations out with your hands prior to removing the Motor 12 Evaporator 1 Remove the screws of the Steel Holder Evaps that are used to fix the Heat Exchanger and then remove it Use Screw Driver 2 Remove the 2 fixing screws of the Partition Evap at the Heat Exchanger s In Out Pipe Use Screw Dri...

Страница 19: ...ectronics 3 9 No Parts Procedure Remark 3 Remove the screw of the Cover Pipe that is used to fix the In Out Pipe Remove the In Out Pipe Use Screw Driver 4 Remove the Heat Exchanger from the indoor unit s cabinet ...

Страница 20: ... work You must turn off the Power before disassembly 1 loosen 1 pcs screw of cover control and detach it 2 loosen 5 pcs screws on both right and left cabniet side edges and to detach the cover top 3 Loosen 7 screwsfixed to disassemble cabi front and detach it CAUTION 3 2 Outdoor unit ...

Страница 21: ...Samsung Electronics 3 11 No Parts Procedure Remark common work 4 loosen 2 screws to disassemble steel bar 5 Loosen 2 screws to disassemble the cabi left and detach it ...

Страница 22: ...k 6 Loosen 7 screws to disassemble the cabi right and detach it 2 fan motor 1 loosen 1 screw as indication and detached the fan 2 loosen 4 pcs motor screws and disconnect the wire betwwen assy control out and motor 3 loosen 2 pcs bracket motor screw and detach it ...

Страница 23: ...1 screw from cover control 2 detach several connections from assy control out take out assy control out 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the pipes in both inlet and outlet with welding torch 4 detach the heat exchanger ...

Страница 24: ...sor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom CAUTION When removing the compres sor Heat Exchanger and Pipe purge the Coolant inside the Compressor completely and remove the pipe with a welding flame ...

Страница 25: ...arts Procedure Remark 1 common work You must turn off the Power before disassembly 1 Loosen 1 pcs screw of cover control 2 Loosen 8 pcs screw of the cabi top cover 3 Loosen 4 pcs screw of the bar steel 4 Loosen 10 pcs screw of the cabi side front CAUTION ...

Страница 26: ...Samsung Electronics No Parts Procedure Remark 1 common work 2 Fan motor 1 Loosen the fan screw according the indi cation and detach the fab propeller 2 Disconnect the wire between assy control out and motor ...

Страница 27: ...ts Procedure Remark 2 3 Loosen 4 pcs motor screw 4 Loosen 2 pcs screw of bracket motor 3 Assy control out 1 Loosen the screws that connected partition and case control then get the control out 2 Loosen the screw of the cover termimal ...

Страница 28: ...3 18 Samsung Electronics No Parts Procedure Remark 3 3 Loosen 2 screws disassemble the Coil Harmonic 4 Loosen the screw of the cover terminal ...

Страница 29: ... on both side 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the heat exchanger CAUTION When removing the compres sor Heat Exchanger and Pipe purge the Coolant inside the Compressor completely and remove the pipe with a welding flame 5 Compressor 1 Loosen the 3 bolts at the bottom of compres sor ...

Страница 30: ...nics AC071MXADKH No Parts Procedure Remark 1 common work 1 loosen 1 pcs screw of cover control 2 loosen 8 pcs screw of the cabi top cover 3 loosen 12 pcs screw of the cabi front 4 loosen 7 pcs screw of the cabi side right ...

Страница 31: ...Parts Procedure Remark 5 loosen 3pcs screw of the cabi side left 2 Fan Motor 1 loosen the fan screw according the indication and detach the fab propeller 2 Cut the cable tie 3 disconnect the wire betwwen assy control out and motor ...

Страница 32: ...s Procedure Remark 4 loosen 4 pcs motor screw 5 loosen 4 pcs screw of bracket motor 3 assy control out 1 lossen the screw of the cover termimal 2 lossen the screws that connected partition and case control then pull up the control out ...

Страница 33: ...rk 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the pipes in both inlet and outlet with welding torch 4 detach the heat exchanger 5 Compressor 1 loosen the 3 bolts at the bottom of compres sor ...

Страница 34: ...rt the batteries into the remote control c Make sure that you are entered to the mode for setting the options 1 Set the option values CAUTION The total number of available options are 24 SEG1 to SEG24 Because SEG1 SEG7 SEG13 and SEG19 are the page options used by the previous remote control models the modes to set values for these options are skipped automatically Set a 2 digit value for each opti...

Страница 35: ...G4 value by pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display SEG4 b Set the SEG5 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG5 4 Press the Mode button Dry and On appear on the rem...

Страница 36: ...0 8 Press the Mode button Heat and On appear on the remote control display 9 Set the SEG11 and SEG12 values a Set the SEG11 value by pressing the Low Fan button repeatedly until the value you want to set appears on the remote control display SEG11 b Set the SEG12 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press th...

Страница 37: ...e by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG17 3 Press the Mode button Dry and Off appear on the remote control display 4 Set the SEG18 and SEG20 values a Set the SEG18 value by pressing the Low Fan button repeatedly until the value you want t...

Страница 38: ...ars on the remote control display SEG23 b Set the SEG24 value by pressing the High Fan button repeatedly until the value you want to set appears on the remote control display When you press the Low Fan or High Fan button values appear in the following order SEG24 3 Check whether the option values that you have set are correct by pressing the Mode button repeatedly SEG21 SEG22 SEG23 SEG24 SEG2 SEG3...

Страница 39: ... and by following the steps in Common steps for setting the addresses and options on page 4 1 The indoor unit addresses main and RMC addresses are set to 0A0000 100000 200000 300000 by default If indoor units and outdoor units match 1 1 you don t need to set the main address because it is automatically set by the outdoor unit If you are using on or off controller set RMC address Option SEG1 SEG2 S...

Страница 40: ...NDKH AC060NNNDKH AC071NNNDKH Installationoption 020000 100001 200000 300000 020000 100031 200000 300000 The SEG20 option Individual control with remote control allows you to control multiple indoor units individually by using the remote control Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Function Page Mode Whether to dry the Evaporator Use of external temperature sensor Use of central control Compensatio...

Страница 41: ...ith remote control Heating setting compensation Reserved Reserved Reserved Indication anddetails Indication Details Indication Details Indication Details 3 0 or 1 Indoor 1 0 0 C default 2 Indoor 2 1 2 C 3 Indoor 3 2 5 C 4 Indoor 4 Even if you set the Use of drain pump SEG8 option to 0 it is automatically set to 2 the drain pump is used with 3 minute delay If you set the Maximum filter usage time S...

Страница 42: ...number Units position of the option number New value Indication and details Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details 0 D Option type 0 to F Tens position value 0 to 9 Units position value 0 to 9 New value 0 to F Example Changing the Buzzer control SEG17 option of the installation options to 1 disuse Option SEG1 SEG2 SEG3 SEG4...

Страница 43: ...uresensor Check outdoor temperature sensor connection Check outdoor temperature sensor s resistance value to see if it s short open operation off operation off operation off X X No communication for 2minutesbetween indoor and outdoor unit communication error for more than 2 minutes Check connection between indoor and outdoor unit communication cables operation off operation off operation off page4...

Страница 44: ...igit First decimal C 5 Discharge sensor 5 Two digits One digit First decimal C 6 OLP sensor 6 Two digits One digit First decimal C 7 Cond sensor 7 Two digits One digit First decimal C 8 Current 8 Two digits One digit First decimal C 9 Fan RPM 9 Three digits Two digits One digit rpm 10 Target discharge temperature A Three digits Two digits One digit C 11 EEV B Three digits Two digits One digit step...

Страница 45: ...oor unit and outdoor unit When there is no response from indoor units after tracking is completed Check electrical connection and setting between indoor unit and outdoor unit 10 E203 Communication error between the outdoor unit and main micom For PF 4 to 6 controllers error will be determined from the time when the compressor is turned on Check electrical connection and setting between indoor unit...

Страница 46: ...EPROM Read Write error Option Check Outdoor EEPROM Data 33 E471 Outdoor unit EEPROM Read Write error H W Check Outdoor EEPROM PBA 34 E472 AC Line Zero Cross Signal out 35 E473 Comp Lock error 36 E474 Error on IPM Heat Sink sensor of inverter 1 Short or Open Check Outdoor Inverter PBA 37 E475 Error on inverter fan 2 FAN2 ERROR 38 E484 PFC Overload Over current Error Check Outdoor Inverter PBA 39 E4...

Страница 47: ...unication error 1 min Check the communication connection between indoor and outdoor units Check the power line and communication cable connection status Operation Off Communication error Communication error between indoor outdoor INV MAIN MICOM 1 min Check MAIN MICOM Check INVERTER MICOM Communication error Outdoor temperature sensor error Check sensor connection status Check sensor location Check...

Страница 48: ...rotection control error AC ZERO CROSSING SIGNAL OUT error Check the input power status Operation Off Outdoor unit protection control error Compressor LOCK error Check the compressor connection status Check the resistance between difference phases of the compressor Operation Off Outdoor unit protection control error Outdoor fan 2 error Check the input power connection status Check the connection st...

Страница 49: ...or disconnected from the connector in PCB Restart the system after replacing the PCB Restart the system after connecting to the PCB connector Indoor temperature sensor failure replace Remove the indoor temperature sensor connector from the PCB and measure the resistance between two terminals 4 3 Troubleshooting by symptoms 4 3 1 Indoor temperature sensor open short Current temperature C Resistance...

Страница 50: ...ture sensor replace Remove the indoor heat exchanger temperature sensor connector from the PCB and measure the resistance between two terminals Indoor unit display Operation Defrost X Timer X Filter Symptom Short or open circuit of indoor heat exchanger temperature sensor Failure Short or open circuit in the corresponding sensor 4 3 2 Indoor heat exchanger temperature sensor open short Current tem...

Страница 51: ...ailure Check if the motor connector is disconnected check the motor fan assembly status 4 3 3 Indoor FAN error Yes No Yes Is there foreign substance stuck in the motor fan Yes Is the motor connector disconnected from the PCB Replace the PCB and restart the unit Connect the connector to PCB and restart the unit Remove the foreign substance and restart the unit ...

Страница 52: ...is the voltage waveform between the lines square wave with amplitude over 0 7V as shown in the following picture 0 7V 0 7V Good Bad Check the communication cable and replace the indoor unit PCB Remove the communication cable connecting the outdoor unit to indoor unit and measure the signal on LINE 2 of the outdoor unit with a scope Reconnect the cable connecting the outdoor unit to the indoor unit...

Страница 53: ...n circuit Is the water level in the drain pan high Does drain pump operate when compressor operates Same error occurs again No Drain pump PCB Is the terminal voltage around AC 220V Is the water level in drain pan decreasing Reset the indoor unit power and check the operation of the drain pump it vibrates when operating Normal operation Replace the indoor unit PCB Reassemble the floating sensor con...

Страница 54: ...ost Timer X Filter Symptom EEPROM circuit failure Failure EEPROM component failure EEPROM circuit parts missing damaged soldering failure 4 3 6 EEPROM circuit failure No Yes Are the EEPROM circuit components in good conditions missing components damage soldering failure Replace the PCB if the restart fails ...

Страница 55: ...ler connected correctly 2 Check procedure Yes Turn off the main power switch circuit break of power outlet and turn on again after 30 seconds Check the input power No Is the outdoor unit power supply L N 220V Yes Check the connection of the terminal block No Is the outdoor unit power voltage L N 220V Yes Replace the inverter PBA No Is the voltage between the terminal 2 and 4 of the bridge diode 22...

Страница 56: ...Samsung Electronics 4 23 Yes Outdoor unit is not powered on Initial diagnosis cont Yes Connect the reactor No Is the reactor connector connected correctly Replace the PBA Cont ...

Страница 57: ...art after power off Terminate the service Exchange the indoor unit PBA No Is the communication error occurred again Yes Correct the wrong cable No Is the connection of power cable and communication cable normal Yes Exchange the PBA of no power unit No Is the power is normal check the LED Lamp Yes Yes Terminate the service No Is the communication error occurred again Exchange the outdoor unit PBA 4...

Страница 58: ...ubleshooting procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 1 2 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no power unit Yes Be...

Страница 59: ...ture of 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the PBA of no Ourdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 1 2 in the connector Exchange the Outdoor PBA Yes ...

Страница 60: ...procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 5 6 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V ...

Страница 61: ...emperature of 25 25 C Is the sensor connector CN501 connected correctly in accordance with a colorRED 4PIN Sensor Replace Sensor resistance value 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Страница 62: ...oting procedure PF2 Yes Reconnect the sensor connector Micom error or connector check No Is the sensor resistance value 3 4 10kohm 3 at the room temperature of 25 C Is the sensor connector CN251 connected correctly in accordance with a color BLU 6PIN Sensor Replace Sensor resistance value 20 C 242kohm 30 C 166ohm 35 C 138ohm 40 C 115kohm No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Y...

Страница 63: ...m error or connector check No Is the sensor resistance value 3 4 CN501 10kohm 3 at the room temperature of 25 25 C Is the sensor connector CN502 connected correctly in accordance with a colorRED 4PIN No No Exchange the Outdoor PBA Yes Below 0 5V or Over 4 5V Yes Connect the sensor to PBA connector 4pin supply power and measure the voltage of 3 4 in the connector Exchange the Outdoor PBA Yes ...

Страница 64: ...e the Outdoor PBA Download the EEPROM data No Is the discharge over temperature sensor error appeared again Terminate the service No No Terminate the service Is the discharge over temperature sensor error appeared again Is the discharge over temperature sensor error appeared again The condition is too poor for air conditioner to operate Wait until discharge temperature is decreased Restart after p...

Страница 65: ...d Separate the Fan motor wire from CN901 on Outdoor PBA PBA problem or Motor problem Change the PBA first and check the operation No Yes Does the fan rotate Terminate the service Exchange the Fan motor No No No Follow the check procedure of outdoor unit power supply error check Exchange the Outdoor PBA Is the fan error appeared again Is there short among each pin 1 6 Is the voltage of CN901 3 5 an...

Страница 66: ...pressor normal 2 Troubleshooting procedure Terminate the service Download the EEPROM data No Is the restart error occurred again Is the connection of compressor wire is normal Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart after...

Страница 67: ...tance of compressor normal 2 Troubleshooting procedure Terminate the service No Is the restart error occurred again Is the connection of compressor wire is normal PBA and Compressor Connect the comp wire normally No No No Yes Terminate the service Exchange the Outdoor PBA Is the restart error occurred again Is the compressor body and interphase resistance insulated Exchanged the Compressor Restart...

Страница 68: ... error occurred Is the connection of compressor wire is normal No No Yes No No No No No Yes Exchange the Outdoor PBA Correct the sensor position or exchange the sensor Is the O C error occurred again Terminate the service Restart after returning to the normal load Terminate the service Connect the comp wire normally Terminate the service Is the restart error occurred again Is the condition of indo...

Страница 69: ...04 R005 R006 R007 value is normal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the DC_link voltage CE101 or CE001 is normal in operation mode Normal range 280Vdc 320Vdc Check the power input No No No No Exchange the Outdoor PBA Exchange the Outdoor PBA IstheDC_linksensingvoltage R104orR004 isnormalin operationmode Normalrange 0...

Страница 70: ...ormal Outdoor PBA 2 Troubleshooting procedure Connect the reactor wire No Is the connected of reactor wire PBA Reactor Is the the input voltage is nomal Normal range 180Vac 270Vac Is the reactor insulation damaged Check the input power in the powercord No No No No Check the input power Exchange the Outdoor PBA Exchange the Outdoor PBA Is theDC_linkvoltage CE101orCE001 isnormalinoperation mode Norm...

Страница 71: ...error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restart after returning to the normal load No Yes Is the condition of indoor outdoor temperature normal load Is the I_trip error occurred again Terminate the service No No No No Correct the sensor position or exchange the sensor Correct the cable connection Isthepositionoftemperaturesensorandthesensingvalue norma...

Страница 72: ...the IPM Shunt PF2 R451 R452 R453 PF23 R413 R414 R415 resistance value correct Check the resistor is opened 3 Is there no short or open around IC451 PF2 or IC451 IC452 PF3 2 Troubleshooting procedure Exchange the Outdoor PBA No Is the PFC shunt and IPM shunt resistance value correct No Terminate the service Isthecurrentsensorerrorappearedagain Exchange the Outdoor PBA Restart after power off Yes Ye...

Страница 73: ...2 Is the gap PBA heatsink 3 Is the fan operation normal 4 Is the cover assembly in conrol box normal 2 Troubleshooting procedure Fastening the screw No Are there screws in PBA heatsink 4 screws No Check the fan connection Change the Fan motor Is the fan operation normal Exchange the Outdoor PBA Restart after power off Yes Yes Yes ...

Страница 74: ...rminate the service Exchange the Outdoor PBA No No Yes IIs the O C error occurred Is the O C error occurred again Terminate the service No No No No No No Connect the comp wire normally Terminate the service Correct the sensor position or exchange the sensor Restart after returning to the normal load Is the connection of compressor wire is normal Is the O C error occurred again Is the condition of ...

Страница 75: ...ere a short around IC202 PF2 or IC701 PF3 3 Did you download or insert EEPROM IC after changing outdoor PBA 2 Troubleshooting procedure Terminate the service No Restart after power off Is the error appeared again Exchange the Outdoor PBA power off and download EEPROM data or Insert the service EEPROM IC Yes ...

Страница 76: ...ist 1 Check the power condition at customer s house Is there any power noise 2 Have been there power failure 2 Troubleshooting procedure Terminate the service No Is the AC line zero cross signal error appeared again Exchange the Outdoor PBA Restart after power off Yes ...

Страница 77: ...2 Troubleshooting procedure Terminate the service No Is the operation condition secession error appeared again Heating mode Is the outdoor temperature over 40 C or under 30 C Cooling mode Is the outdoor temperature under C Thetemperatureconditionistoopoortooperate Wait until temperature is changed Restart after power off Yes Yes ...

Страница 78: ...rocedure Exchange the one of them according to the exact model spec Terminate the service Terminate the service No No No Is the capacity miss match error appeared again Is the capacity miss match error appeared again Is the rated Btu between indoor unit and outdoor unit Download the EEPROM data Exchange the Outdoor PBA Exchange the Indoor PBA Reset the option code again at indoor unit Yes Yes Yes ...

Страница 79: ...heck the pipe crack Fill up the refrigerant No No Is the position of indoor eva_in sensor normal No No No Terminate the service Change the EEV valve Connect the EEV valve Is the gas leak error appeared again Is the EEV valve connection normal Is the EEV valve is operation Check the sound of EEV valve after power on Is the pressure of refrigerant normal Exchange the Indoor PBA Exchange the Outdoor ...

Страница 80: ...message pop up Set seg23 to 1 8 digit Replace wire of MDS Connect wire of MDS Replace MDS Kit Replace Main PBA Start End Yes Yes Yes Yes Yes MDS Function only can be set in wired remote controller or central controller Error Message Error message will be appeared after 3minutes Wired remote controller E143 message is pop up Display Panel Operation filter LED is blinking at the same time after indo...

Страница 81: ...gnal 2 GND 1 DC12V 4 REMOCON OUT 5 GND 1 ROOM SENSOR 2 GND 1 DC12V 2 LED_0 3 LED_1 4 LED_2 5 LED_3 6 LED_4 7 LED_5 8 REMOCON OUT 9 AUTO SWITCH 10 REMOCON IN 11 GND 12 DC5V 13 GND 1 DC12V 2 ERROR OUT GND 3 DC12V 4 COMP OPER OUT GND TB101 AC POWER CN101 EARTH CN701 BLDC MOTOR CN140 FUSE CHECK CN809 AUTO GRILLE CN412 ROOM SENSOR CN501 DISPLAY CN81 COMP ERRORMONITOR 24 23 22 21 20 19 18 17 16 15 14 13...

Страница 82: ... EEPROM_CLK 1 FLOAT SWITCH SIGNAL 2 GND 1 DC12V 2 5 LOUVER SIGNAL 1 DRAIN PUMP DC12V 2 GND 1 DC12V 2 VENT SIGNAL OUTPUT GND 1 DC12V 2 MAIN HUMAN SENSOR COMM TXD 3 MAIN HUMAN SENSOR COMM RXD 4 GND 1 GND 2 GND 3 SPI SIGNAL DC12V 1 COM1 F1 2 COM1 F2 3 V1 DC12V 4 V2 GND 5 COM2 F3 6 COM2 F4 CN808 EEV CN807 LOUVER5 CN301 DOWNLOAD CN806 LOUVER3 4 CN83 EXT CTRL CN411 FLOAT SWITCH CN311 2 WIRED SUB CN414 H...

Страница 83: ...C12V 2 LED_Operation 3 LED_Defrost 4 LED_Timer 5 6 LED_Filter 7 8 Remocon Signal Out 9 Panel Select 10 Remocon Signal In 11 GND 12 DC5V 13 CN808 EEV 1 AC026NNNDKH AC035NNNDKH AC052NNNDKH AC060NNNDKH AC071NNNDKH 5 1 2 Display PBA ...

Страница 84: ...OR connection 14 Download Main 4 Indoor communication connection 15 SMPS PCB connection DC5V 12V 5 EEV B 16 Compressor connection U V W 6 EEV A 17 Reactor 7 Out Discharge Cond OLP temp sensor 18 SMPS PCB connection AC220V 8 DRED PBA connection DRED Demand Response Enabling Device 19 EARTH 9 Sub display PCB connection Key 7 segment signal 20 MAIN POWER L 10 Sub display PCB connection Key solution c...

Страница 85: ...nection 15 SMPS PCB connection DC5V 12V 5 N A 16 Compressor connection U V W 6 EEV control 17 Reactor 7 Out Discharge Cond OLP temp sensor 18 SMPS PCB connection AC220V 8 DRED PBA connection DRED Demand Response Enabling Device 19 MAIN POWER L 9 Sub display PCB connection Key 7 segment signal 20 EARTH 10 Sub display PCB connection Key solution communication signal 21 Download INV 11 EEPROM connect...

Страница 86: ...26MXADKH AC035MXADKH AC052MXADKH AC060MXADKH AC071MXADKH No Function 1 MODE SELECTOR 2 MAIN PCB connection Key Switch signal 3 MAIN PCB connection Key 7 segment signal 4 MAIN PCB connection DC 5V 12V 5 DC 12V 6 Solution communication 11 2 3 4 5 6 ...

Страница 87: ...Samsung Electronics 6 1 6 Wiring Diagram This Document can not be used without Samsung s authorization AC026NNNDKH AC035NNNDKH AC052NNNDKH AC060NNNDKH AC071NNNDKH 6 1 Indoor Unit ...

Страница 88: ...6 2 Samsung Electronics AC026MXADKH AC035MXADKH 6 2 Outdoor Unit This Document can not be used without Samsung s authorization ...

Страница 89: ...Samsung Electronics 6 3 AC052MXADKH AC060MXADKH AC071MXADKH This Document can not be used without Samsung s authorization ...

Страница 90: ...Tropical Temp B Non Inv Side General Temp N Non Inv Side Low Temp R Non Inv Side Tropical Temp Z Non Inv Top Tropical Temp U UNITED STATUS DUCT K DVM PLUS4 V DVM Inverter L DVM SLIM G DVM GHP M DVM MINI W DVM WATER C DVM GEO GEOTHERMAL D DVM PLUS3 X DVM PLUS2 J FREE JOINT MULTI P PACK MULTI H DVM HOME E SINGLE T MULTI Y MONO ProductType Indoor Code Type F FLAGSHIP P PREMIUM D DELUXE S STANDARD F C...

Страница 91: ...C CST Product classification 1N Standard 1 way CST 1B Large size 1 way 2N 2 WAY 4N 4 WAY 4S MINI 4 WAY 4R Round Panel version 1 2 Korean market use A B Export foreign market use Color B Black E WINE U White V Ivory Language K Korean C Chinese M 8 Languages E English TYPE A Automatic boarding slide S STANDARD H PREMIUM F Wind free TYPE N NASA Global 4 Way Panel Pattern Waffle Stripe Korean market u...

Страница 92: ...liquid to gas Absorbing heat required for evaporation SERVICE VALVE You can open the valve by turning the need valve counterclockwise using hex wrench and it is used for vacuum gas purging coolant injection coolant purging and indoor outdoor unit connection ACCUMULATOR Accumulator prevents the flow of liquid state coolant into the compressor Liquid state coolant flowing into the compressor will ov...

Страница 93: ...utdoor C 5 0 10 0 15 0 20 0 0 0 5 0 10 0 15 0 20 0 20 10 0 10 20 30 40 50 32 2 3 27 1 32 23 27 19 21 15 Outdoor Temp C WaitingMode Pressure kgf cm G S Waiting Mode 32 23 27 19 21 15 50 18 5 16 7 15 9 35 15 7 14 7 13 4 20 15 2 14 3 13 6 7 9 1 9 1 9 1 5 5 6 5 6 5 6 20 3 0 3 0 3 0 Indoor C Outdoor C 15 0 20 0 25 0 30 0 35 0 20 10 0 10 20 32 2 3 27 1 28 18 27 19 20 15 Outdoor Temp C Heating Pressure k...

Страница 94: ...ervice Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Dce 2017 Printed in China ...

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