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Samsung AC026FBRDEH, Service Manual

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Samsung Electronics

3-17

No

Parts

Procedure

Remark

3

assy control out

1) lossen fixing 1 screw from cover -control
2) detach several connections from assy con-
trol 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.

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Summary of Contents for AC026FBRDEH

Page 1: ...026FBRDEH EU AC026FCADEH EU AC035FBRDEH EU AC035FCADEH EU AC052FBRDEH EU AC052FCADEH EU AC071FBRDEH EU AC071FCADEH EU SPLIT TYPEAIRCONDITIONER SERVICE Manual 1 Precautions 2 Product Specifications 3 D...

Page 2: ...under applicable International and or domestic law Samsung Electronics Co Ltd Nov 2012 Printed in China Code No DB98 32705A 1 ELECTRONICS GSPN address Eurpoe CIS Mideast africa gspn1 samsungcsportal...

Page 3: ...Indoor Fan error 4 14 4 3 4 Communication error after completion of tracking 4 15 4 3 5 EEPROM circuit Part defect 4 15 4 3 6 When outdoor units cannot be turned on 4 17 4 3 7 DC link and over lower...

Page 4: ...with insulation gloves during the repair and measurement of PCB Check the distance between the product and the other electronic appliances such as TV video and audio It should be over 2m If not it cau...

Page 5: ...ed according to IEC standard for safety Current is measured according to ISO standard for energy efficiency When installing make sure there is no leakage When recovering the refrigerant ground the com...

Page 6: ...reen tea is contained in the filter and deactivates captured bacteria and unpleasant odors Silver Nano Evaporator Deodorizing Filter Activated carbon is incorporated in the filter efficiently absorbin...

Page 7: ...onsumption Cooling STD W 650 1090 1610 Heating STD W 970 1170 2200 Operation current Cooling STD A 3 4 5 1 7 2 Heating STD A 5 0 5 8 8 3 Noise Cooling Heating Indoor unit In case of strongest air blow...

Page 8: ...onsumption Cooling STD W 2360 Heating STD W 2850 Operation current Cooling STD A 10 5 Heating STD A 13 sound power Cooling Heating Indoor unit In case of strongest air blow dBA 63 Outdoor unit In case...

Page 9: ...ZIONI PER L USO MANUAL DE INSTRU ES MANUEL D UTILISATION GEBRAUCHSANWEISUNG Splut type Room Air Conditioner Aire acondicionado dom stico sistema Split Condizionatore d aria per ambienti ad unit Separa...

Page 10: ...Samsung Electronics 3 1 Necessary Tools Item Remark SCREW DRIVER MONKEY SPANNER 3 Disassembly and Reassembly...

Page 11: ...er supply 2 Open the FRONT GRILLE and pull out from the PANEL FRONT 3 Detach COVER TERMINAL from the PANEL FRONT use Screw Driver 4 Loosen connector wire white and detach the temperature sensor wire 5...

Page 12: ...ook of main frame 2 To detach TRAY DRAIN from the main frame pull the bottom of the TRAY DRAIN towards you 3 CONTROL IN 1 Unfasten the earth screw use Screw Driver 2 Detach COVER CONTROL from the CASE...

Page 13: ...r a m e R e r u d e c o r P s t r a P o N k 4 PBA 1 Unfasten the screw 2 Cut the cable tie 3 Loosen the terminal block wires Caution The terminal is locking type So when you separate terminals pull pr...

Page 14: ...5 Loosen Stepping MOTOR connector K Caution When you separate the connector pull pressing the locking button 6 Loosen Main Power connector K Caution When you separate the connector pull pressing the...

Page 15: ...s No Parts Procedure Remark 5 EVAPORATOR 1 Unfasten the screw at the right side use Screw Driver 2 Unfasten the screw at the left side use Screw Driver 3 Detach the HOLDER PIPE 4 Take off the EVAPORAT...

Page 16: ...screw in the HOLDER EVAP on the left side of evaporator use Screw Driver 2 unfasten the 3 points screws in the CASE CONTROL and then detach the CASE use Screw Driver 3 unfasten the screw a little use...

Page 17: ...lectronics 3 2 Outdoor Unit AC071FCADEH No Parts Procedure Remark 1 Common Work 1 Loosen 1 fixing screw of the Cover Control and detach the Cover Control 2 Loosen each 7 fixing screws and detach the C...

Page 18: ...ectronics 3 9 No Parts Procedure Remark 3 Loosen 2 screws fixed to assemble Control Box with Cabinet Side RH 4 Loosen fixing screws and detach the Cabinet Side RH 5 Loosen 2 screws fixed on the Guide...

Page 19: ...3 10 Samsung Electronics No Parts Procedure Remark 6 Loosen fixing screws of the Cabinet Front...

Page 20: ...lange like the picture on the right side Turn counter clockwise because the screw is right handed 2 Detach the Fan Propeller 3 Loosen 4 fixing screws to detach the Motor 4 Disconnect the wire between...

Page 21: ...from the PCB of ASS Y Control Out 3 Pull up the ASS Y Control Out 4 Heat Exchanger 1 Release the refrigerant at first 2 Loosen fixing screw on both sides 3 Disassemble the pipes in both inlet and out...

Page 22: ...No Parts Procedure Remark 5 Compressor 1 Loosen the fixing nut and detach the Compressor Lead Wire 2 Disassemble the Felt Compressor Sound 3 Loosen the 3 bolts at the bottom of Compressor like the pi...

Page 23: ...FCADEH No Parts Procedure Remark 1 common work 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...

Page 24: ...ng Electronics 3 15 No Parts Procedure Remark common work 4 loosen 7 screws to disassemble the cabi right and detach it 5 loosen 2 screws to disassemble steel bar 6 loosen 3 screws to disassemble cabi...

Page 25: ...No Parts Procedure Remark 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...

Page 26: ...screw from cover control 2 detach several connections from assy con trol out take out assy control out 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaess...

Page 27: ...3 18 Samsung Electronics No Parts Procedure Remark 5 compressor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom of...

Page 28: ...12 digit option setting is available Please refer to the wired remocon installation manual for setting with the wired remocon Step 1 Entering mode to set option 1 Remove batteries from the remote con...

Page 29: ...e Each time you press the button will be selected in rotation 6 Setting Fan mode Press Mode button to be changed to FAN mode in the ON status 7 Setting SEG9 SEG10 option Press Low Fan button to enter...

Page 30: ...you press the button will be selected in rotation 18 Setting Heat mode Press Mode button to be change to HEAT mode in the OFF status 19 Setting SEG23 SEG24 mode Press Low Fan button to enter SEG23 va...

Page 31: ...ial setting will be maintained 4 1 3 Setting an indoor unit address MAIN RMC When A F isenteredtoSEG5 6 theindoorunitMAINADDRESSisnotchanged IfyousettheSEG3as0 theindoorunitwillmaintainthepreviousMAIN...

Page 32: ...nditionofeachinstallationlocation Option No 02XXXX 1XXXXX 2XXXXX 3XXXXX Option SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 Explanation PAGE MODE RESERVED Useofexternal temperaturesensor Use of central control RPM s...

Page 33: ...5 PremiumMode AutoSetOFF30 Min 6 PremiumMode AutoSetOFF60Min 7 PremiumMode Auto SetOFF120Min 8 PremiumMode Auto SetOFF180Min 2 Indoor 2 3 Indoor 3 4 Indoor 4 If you input a number other than 0 4 on th...

Page 34: ...en changing a digit of an indoor unit address setting option set the SEG3 as A When changing a digit of indoor unit installation option set the SEG3 as 2 Ex When setting the buzzer control into disuse...

Page 35: ...it operates normally at first then detect an error again Description LAMP OPERATION TIMER DEFROST Communication error between indoor units X Error of temperature sensor in the indoor unit Open Short...

Page 36: ...art 10 E416 Discharge temperature of a compressor in an outdoor unit is overheated 11 E440 Heating operation is not available since the outdoor air tempera ture is over 30 C Heating E441 Cooling opera...

Page 37: ...nication 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...

Page 38: ...Outdoor unit protection 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 conn...

Page 39: ...ue deviate from the temp table beside Yes Is indoor temp sensor connector disconnected Resume operation after replacing PCB Resume operation after connecting to the connector PCB Indoor temp sensor se...

Page 40: ...mperature table beside Yes Is indoor Heat Exchange temp sensor connector disconnected Resume operation after replacing PCB Resume operation after connecting to the connector PCB Indoor Heat Exchange t...

Page 41: ...speed Cause of problem Check for motor connector disconnect check motor fan fastening Yes No No Is there any clogging binding of foreign substances in the MotorFan Yes Is Motor connector disconnected...

Page 42: ...mmunica tion line At this time the voltage between lines is a square wave that is above DC 0 7V as shown in the picture below 0 7V 0 7V After removing the communication line that links outdoor to indo...

Page 43: ...ect Resume operation after repairing it according to P8 2 circuit diagram s EEPROM part P6 6 10 component list If problem occurs during re operation replace PCB 4 3 5 EEPROM circuit part defect Indoor...

Page 44: ...place outdoor unit PCB for Outdoor MICOM defect Check and replace the wire that connects the outdoor terminal block to outdoor unit s PCB contact point short circuit No Is the voltage of N L of the ou...

Page 45: ...lower voltage error 1 Inspection items 1 Is compressor operating properly 2 Is there a connection between input power and power 2 Inspection order Yes Replace PCB Turn off the power then reconnect No...

Page 46: ...No Are outdoor units installed correctly No Reinstall after removing obstacles Are indoor units installed correctly No Check the connection status of the compressor Is the compressor connection line...

Page 47: ...Are the location of the temperature sensor and measurement value normal Yes Replace compressor No Yes Turn off the power then correct the sensor location or replace it No Is the connection cable betw...

Page 48: ...r phases normal 2 Inspection order Check the connection line No Restart after turning off the power Yes Replace the outdoor unit s PCB Replace the Compressor No Yes Terminate the service No Did error...

Page 49: ...nected without separation When measuring the resistance of both sides with a single temperature sensor does it indicate 10K at room temperature of 25 C Yes Replace PCB after turning off the power No A...

Page 50: ...d without separation When measuring the resistance of both sides with a single temperature sensor does it indicate 200K at room temperature of 25 C Yes Replace PCB after turning off the power No After...

Page 51: ...ted without separation When measuring the resistance of both sides with a single temperature sensor does it indicate 10K at room temperature of 25 C Yes Replace PCB after turning off the power No Afte...

Page 52: ...ection order Yes Replace PCB of the outdoor unit after turning off No Terminate service No Restart after turning off the power No Yes Is there a communication error Is there a communication connection...

Page 53: ...k Yes No Check fan is locked Replace the Fan No Does the color of fire wire match Yes Reconnect the connector No Is the connection between Fan and PCB proper Yes No Check if the outdoor unit s power s...

Page 54: ...the main PCB of the outdoor unit Yes No Is there any change in the voltage of the no 13 pin of the IC01 MICOM Replace BLDC fan motor 30 seconds after turning off the power separate BLDC Fan connector...

Page 55: ...correctly 4 Are there any obstacles around indoor outdoor units 2 Inspection order Yes Yes Yes Yes Reinstall after removing obstacle No Is the outdoor unit installed correctly No Reinstall after remo...

Page 56: ...nnect the sensor connector No Restart after turning off the power Yes Replace the outdoor unit s PCB Replace the compressor No Yes Terminate the service No Did error occur Yes Open valves No Is the se...

Page 57: ...occurs after the replacement of the compressor replace the PCB 3 OTP error Check PCB operates normally then replace the PCB 4 DC link Voltage Sensor Error Check the connection between input power and...

Page 58: ...Samsung Electronics 5 1 5 PCB Diagram and Parts List 5 1 PCB Diagram 5 1 1 Indoor Unit...

Page 59: ...CONNECTOR SMAW250A 04 RE BLDC FAN CONNETCOR YAN396 06V WHT EEV A CONNECTOR SMAW250A 05 RED DISPLAY CONNECTOR SMW200 10 NTR Display connector SMAW250A 03 red PC DOWNLOADCONNECTOR SMW200 10 BLK S NE T...

Page 60: ...HERMISTOR CONNECTOR S NET CONNECTOR EEV A CONNECTOR OUT DIS COND CONNECTOR DOWNLOAD MAIN CONNECTOR CENTRAL CTL CONNECTOR BLDC FAN CONNECTOR DOWNLOAD INV CONNECTOR COMP CONNECTOR REACTOR CONNECTOR YAW3...

Page 61: ...5 4 Samsung Electronics Outdoor Unit PCB cont Sub PCB AC071FCADEH 12V power connector YW396 02V BLU Main sub signal connectot SMW250 04 WHT Main sub signal connectot SMW200 15NTR 1 2 3...

Page 62: ...5 5 Outdoor Unit PCB cont SUB PCB AC026FCADEH AC035FCADEH AC052FCADEH EVAP THERMISTOR CONNECTOR SMW250 08 WHT EEV B CONNECTOR SMW250 05 YEL DISPLAY MAIN CONNECTOR SMW200 28 WHT 12V POWER CONNECTOR YW3...

Page 63: ...Samsung Electronics 6 1 6 Wiring Diagram 6 1 Indoor Unit...

Page 64: ...Samsung Electronics 6 2 6 2 Outdoor Unit...

Page 65: ...N PCB Samsung Electronics 7 1 This Document can not be used without Samsung s authorization POWER SMPS PART STEP MOTOR CONTROL PART ROOM PIPE IN TEMP SENSOR PART COMMUNICATION PART UP DOWN AUTO AGRILL...

Page 66: ...This Document can not be used without Samsung s authorization 7 2 Outdoor Unit PCB 7 2 1 MAIN PCB AC071FCADEH Samsung Electronics 7 2...

Page 67: ...This Document can not be used without Samsung s authorization Outdoor Unit PCB 7 2 2 SUB PCB RC060DHXEA RC071DHXEA RC052DHXEH RC060DHXEH AC060FCADEH AC071FCADEH Samsung Electronics 7 3...

Page 68: ...oor Unit PCB 7 2 3 MAIN PCB RC026DHXEA RC035DHXEA RC052DHXEA RC026DHXEH RC035DHXEH AC026FCADEH AC035FCADEH AC052FCADEH Samsung Electronics 7 4 This Document can not be used without Samsung s authoriza...

Page 69: ...Samsung Electronics Outdoor Unit PCB 7 2 4 SUB PCB RC026DHXEA RC035DHXEA RC052DHXEA RC026DHXEH RC035DHXEH AC026FCADEH AC035FCADEH AC052FCADEH This Document can not be used without Samsung s authorizat...

Page 70: ...cal Temp F Inv Top 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 ProductType Indoor Code Type F FLAGSHIP P PREMIUM D DELUXE...

Page 71: ...d ings thereby cooling the indoor area Service Valve Using a hex wrench turn the needle valve counterclockwise to open the valve It is used for vacuuming gas drain refrigerant injection refrigerant pu...

Page 72: ...tdoor 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 3...

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