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Samsung AQ12A5(6)MB, Service Manual

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Samsung AQ12A5(6)MB Service Manual Download Page 29

Troubleshooting

5-12

Samsung Electronics

<Table of the option code>

MODEL

AQ12A5MB

AQ12A6MB

AQ12A5ME

AQ12A6ME

AQ09A5ME

SH09ZA5

AQ09A6ME

SH09ZA6

AQ07A5ME

SH07ZA5

AQ07A6ME

SH07ZA6

AQ09A7ME

SH09ZA7

AQ09A8ME

SH09ZA8

AQ07A7ME

SH07ZA7

AQ07A8ME

SH07ZA8

OPTION CODE

017725-17021d

007725-17021d

017626-17021d

007626-17021d

016A25-1700d9

006A25-1700d9

014A25-1700b7

004A25-1700b7

016825-1700d9

006825-1700d9

014825-170067

004825-170067

 00181_TSHOO_9  11/6/00 5:18 PM  Page 5-12

Summary of Contents for AQ12A5(6)MB

Page 1: ...UQ09A5 6 ME SH09ZA5 6 X UQ07A5 6 ME SH07ZA5 6 X UQ09A7 8 ME SH09ZA7 8 X UQ07A7 8 ME SH07ZA7 8 X CONTENTS AIR CONDITIONER 1 Precautions 2 Product Specifications 3 Operating Instructions and Installati...

Page 2: ...ELECTRONICS Samsung Electronics Co Ltd Sep 2000 Printed in Korea Code No DB81 00181A 2...

Page 3: ...into a power cord This practice may result in malfunction or fire 6 After completing repairs and reassembly check the insulation resistance Procedure Prior to applying power measure the resis tance be...

Page 4: ...1 2 Samsung Electronics MEMO...

Page 5: ...12086 12008 AS12A1 2 ME SC12ZA1 2 SC12ZA1 2 A Indoor unit Outdoor unit Wall mounting 12000 1 4 7 4 19 38 50 10 3 1 220 240 50 1170 5 0 101 7 30 250V 10 16A 790 x 245 x 165 720 x 532 x 245 31 1 x 9 6...

Page 6: ...To cancel the On Time press the Set Cancel button The Off Timer enables you to switch off the air conditioner automatically after a given period of time that is from 30 minutes to 24 hours To cancel t...

Page 7: ...emperature The unit operates in DRY mode Compressor ON OFF Time is controlled compulsorily can not set up the fan speed always breeze Protective function Low temperature release Prevention against fre...

Page 8: ...epping motor Memory louver When ON OFF button is pressed at stop state the BLADE H returns to its original location which is operating state before stop Swing Set Press the button under the remote con...

Page 9: ...3 4 Samsung Electronics MEMO...

Page 10: ...r 3 Contract the second finger to the left and right handle and pull to open the inlet grille 4 Take the left and right filter out 5 Loosen one of the right fixing screw and separate the terminal cove...

Page 11: ...se from the extension drain hose 2 Pull tray drain out from the back body 1 Do 1 and 2 3 above 2 Loosen two fixing earth screws of right side 3 Separate the connection pipe 4 Separate the holder pipe...

Page 12: ...Common Work 1 Loosen the fixing screw and separate the Handle Cabi RH 2 Separate the connection wire from the termi nal block 3 Loosen 6 fixing screws and separate the upper cabinet 4 Loosen the fixi...

Page 13: ...Reassembly No Parts Procedure Remark 2 Fan Motor 1 Loosen 4 fixing screw of the Guard Fan 2 Remove the nut flange Turn to the right to remove as it is a left hand screw 3 Separate the fan 4 Loosen fo...

Page 14: ...the cover E parts 2 Separate the connection wire from the termi nal block 3 Loosen five fixing screws and separate the cabi Upper 4 Loosen two fixing screws of Ass y E part 5 Loosen nine fixing screws...

Page 15: ...rate the motor 1 Do 1 2 above 2 Loosen two fixing screws of left and right side 3 Disassemble the inlet and outlet pipe by welding 4 Separate the heat exchanger 1 Do 1 above 2 Loosen the nut on the te...

Page 16: ...fixing tow screws and separate the COVER TERMINAL 2 Loosen the fixing two screws and seperate the cover control 3 Separate the connection wire from the termi nal block 4 Loosen six fixing screws and...

Page 17: ...separate the motor 5 Loosen two fixing screws and seperate the motor bracket from the base 1 Do 1 2 above 2 Loosen two fixing screws of left and right side 3 Disassemble the inlet and outlet pipe by w...

Page 18: ...or stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases It indicates power is on The LED stops blinking if the operation ON OFF button on the remote control unit...

Page 19: ...icom normal Is voltage at 50 terminal of the Micom normal 0VDC Is voltage at 18 terminal of the Micom normal 5VDC Is rating voltage 10 range applied to the primary side of the BD71 Check linkage betwe...

Page 20: ...g After unplugging out the power cord should be reconnected within five seconds Does the STD lamp Green blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan motor suffi...

Page 21: ...Does the STD lamp blink YES YES NO NO NO NO YES YES Outdoor unit is out of order Power relay is out of order Power relay should be replaced PCB should be checked Microcomputer is out of order PCB shou...

Page 22: ...IC06 KID65003 is faulty Micom IC04 is faulty Normal Check as in the procedure No Power parts Refer to page 5 2 5 2 5 In the mode When there is no warm air current Check this first 1 Is the set tempera...

Page 23: ...lty Replace button Micom is faulty Receiver module is faulty Q601 C4375Y or Q602 C1623Y is faulty IR LED CL 1L5EU is faulty sound heard from the indoor unit when ON OFF button on the remote control un...

Page 24: ...its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polish...

Page 25: ...oltage at BD71 rating voltage 10 range 2 DC voltage at BD71 about 325 v 10 3 DC voltage at IC02 IN GND DC12 v OUT GND DC5 v 4 Voltage waveform at Q201 collector GND squarewave Voltage check 1 check vo...

Page 26: ...e of the fan motor Normal Abnormal Abnormal if voltage does not change from 0V to 5V Normal At ambient temperature 10 C 30 C Abnormal O open or short Measure resistance between red wire and each termi...

Page 27: ...temperature raise down key simultane ously 3 Insert the battery again Result If the screen of remocon displays as shown in the right go to the second step 2nd step Method If the first digit of LCD is...

Page 28: ...ound Ding or Diriring is heard and then the input of option is completed Refer to the right side if the error appears ERROR MODE 1 When the lamp STANDARD NATURE TIMER is flickering failure of option i...

Page 29: ...A5ME SH09ZA5 AQ09A6ME SH09ZA6 AQ07A5ME SH07ZA5 AQ07A6ME SH07ZA6 AQ09A7ME SH09ZA7 AQ09A8ME SH09ZA8 AQ07A7ME SH07ZA7 AQ07A8ME SH07ZA8 OPTION CODE 017725 17021d 007725 17021d 017626 17021d 007626 17021d...

Page 30: ...Samsung Electronics 5 13 MEMO...

Page 31: ...Samsung Electronics 6 1 6 Exploded Views and Parts List 6 1 Indoor Unit 19 16 14 24 9 7 23 3 4 5 6 21 22 8 12 17 18 25 13 4 13 3 13 2 13 13 1 11 10 2 1 15 20 1 20 5 20 4 20 20 6 20 6 1 20 2 20 3...

Page 32: ...DB94 40003A DB93 00251L GRILLE AIR INLET GUARD AIR FILTER FILTER CLEANER ASS Y COVER TEMINAL ASS Y PANEL SPACER EVAP LOW SPACER EVAP UP COVER U BEND ASS Y FAN CROSS SF BOLT SPECIAL MOTOR FAN IN THERMI...

Page 33: ...Samsung Electronics 6 3 6 2 Outdoor Unit UQ12A5 6 MB E...

Page 34: ...TOR MOTOR TERMINAL BLOCK ASS Y LEAD WIRE O L P O L P O L P SPRING ASS Y SOLENOIDE CLOTH COMP BOTTOM ASS Y 4WAY VALVE COMPRESSOR COMPRESSOR GROMMET ISOLATOR NUT WASHER GASKET COVER TERMINAL NUT FLANGE...

Page 35: ...loded Views and Parts List 6 5 Samsung Electronics Outdoor Unit 1 2 3 4 12 18 1 8 4 17 17 1 22 20 21 19 18 2 18 10 16 14 11 15 13 5 8 2 8 3 8 8 1 8 5 6 7 9 UQ07A5 6 ME SH07ZA5 6 X UQ09A5 6 ME SH09ZA5...

Page 36: ...13 14 15 16 17 17 1 18 18 1 18 2 19 20 21 22 DB63 00086B DB60 30004A DB67 00036A DB31 10058C DB90 00264A DB94 00078A DB90 00077B DB93 00478B DB93 00478A 2501 001228 2501 001229 2301 001375 DB33 00481A...

Page 37: ...Electronics 6 7 Outdoor Unit 1 4 2 1 4 1 4 1 1 1 3 1 1 4 1 1 2 1 1 1 2 1 3 6 1 3 1 4 5 4 4 4 3 4 2 4 1 1 3 3 1 3 5 1 3 4 1 3 2 4 5 3 7 1 8 1 2 1 5 1 6 1 0 9 9 1 SH07ZA7 8 X UQ07A7 8 ME SH09ZA7 8 X UQ0...

Page 38: ...G OLP PROTECTOR O L MRA12110 12008 PROTECTOR O L MRA12086 12008 GASKET EPDM COVER TERMINAL NUT FLANGE NUT WASHER CLOTH COMP SIDE BRAKET VALVE CONDENSER ASS Y ASS Y 4WAY VALVE SOLENOIDE COIL ASS Y ASS...

Page 39: ...tronics 6 9 6 3 Remote Control PCB Box Parts List No 1 2 3 4 5 6 7 Description INLAY LCD CASE TOP LCD KEY RUBBER ASS Y PCB REMOCON CASE LOW BATTERY COVER Q TY 1 1 1 1 1 1 1 Remark 6 3 1 ASS Y REMOCON...

Page 40: ...SS Y TERMINAL BLOCK ASS Y DISPLAY PCB CONNECTOR WIRE PCB U D BRACKET EARTH HOLDER WIRE CLAMP CONNECTOR WIRE EARTH SCREW SCREW SCREW HOLDER CLAMP IN SEAL PANEL FRONT RH SEAL H CONTROL FRONT Specificati...

Page 41: ...7 1 Samsung Electronics 7 Block Diagrams 7 1 Refrigerating Cycle Block Diagram Note Note The check valve is applied only to UQ12A5 6 ME SH12ZA5 6 X as below UQ12A5 6 MB use only...

Page 42: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 ASS Y MAIN PCB DB93 00267A TOP PATTERN...

Page 43: ...ILM C AL C AL C AL C ELEC C CERAMIC C FILM TR SWITCH Specification 120 x 93 UPD780024CW G3MB202PL KA7805A KA7533Z PC817 UG2B ST02D 200 INR14D471K BS 4MHz V2 JT1916 1701P HP1 P10 5mH 50mA 4 7uH 0 5A FT...

Page 44: ...Samsung Electronics 8 3 8 2 ASS Y MAIN PCB DB93 00267A BOTTOM PATTERN...

Page 45: ...EKA ULN2003AFW CS2012Y54104Z500 CS2012Y5V103Z500 CS2012X7R102K500 R3216 220k 5 R2012 6 8k 5 R3216 100k 5 R2012 330k 5 R2012 4 7k 5 R2012 220k 5 R2012 470k 5 R2012 10k 5 R2012 6 8k 5 R2012 1k 5 R2012 0...

Page 46: ...EMOCON DIODE SWITCHING R CARBON CONNECTOR WIRE TACT SWITCH C CERAMIC C CERAMIC JUMP COVER DISPLAY UP Specification 64 5x53 SO5511 SY5511 PNA4612MOOHB IN4148 470 1 2W 5 SMAW200 10P KPT 1105A 104Z 102K...

Page 47: ...Samsung Electronics 9 1 9 Wiring Diagrams 9 1 Indoor Unit...

Page 48: ...Samsung Electronics 9 2 9 2 Outdoor Unit DIAGRAM OUTDOOR UQ A5 6 C1 MOTOR CAPACITOR C2 COMP CAPACITOR DB68 01624A DIAGRAM OUTDOOR UQ A7 8 SH ZA7 8 X C1 MOTOR CAPACITOR C2 COMP CAPACITOR DB68 01765A...

Page 49: ...y not in whole or in part be copied photocopied reproduced translated or converted to any electronic or machine readable from without prior written permission of Samsung Electronics Co Ltd SyncMaster...

Page 50: ...10 1 Indoor Unit Samsung Electronics 10 1 10 Schematic Diagrams...

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