Samsung AW0503B Service Manual
Samsung AW0503B Service Manual

Samsung AW0503B Service Manual

Room air conditioner
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SERVICE
AIR CONDITIONER

ROOM AIR CONDITIONER

AW0503B
AW0505B
AW0603B
AW0605B
AW0803B
AW0805B
AW1003B
AW1005B
AW1203B
AW1205B
AW1403B
AW1803B
AW1805B
Manual
CONTENTS
SAM0001

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Summary of Contents for Samsung AW0503B

  • Page 1: Table Of Contents

    ROOM AIR CONDITIONER AW0503B AW0505B AW0603B AW0605B AW0803B AW0805B AW1003B AW1005B AW1203B AW1205B AW1403B AW1803B AW1805B Manual SERVICE AIR CONDITIONER CONTENTS 11. Precautions 12. Product Specifications 13. Installation and Operating Instructions 14. Disassembly and Reassembly 15. Troubleshooting 16. Exploded Views and Parts List 17.
  • Page 2: Precautions

    Relocate the unit if necessary. 9. Keep children away from the unit while it is being repaired. 10. Be sure to clean the unit and its surrounding area. Fig. 1-3 No Kids Nearby! Fig. 1-4 Clean the Unit Samsung Electronics...
  • Page 3: Product Specifications

    2.Product Specifications 2-1 Table Unit of Item AW0503B AW0505B AW0603B AW0605B Measure Type WINDOW Dimension: 424×310×326 (Width×Height×Depth) Voltage Volt Phase SINGLE Frequency Operation Current Power Consumption Refrigerant Type FREON Refrigerant Change Capacity BTU/h 5200 5200 6100 6100 BTU/h.W Net Weight 18.5...
  • Page 4 2×11 2×11 Evaporator Fan Type Blower Blower Fan Motor MODEL YSK40-6S-1 YSK40-6S-1 Compressor(Rotary) MODEL 44A080HUAEB 44A080HUAEB Overload Protect KA-122LFGN17K KA-122LFGN17K μF/VAC Compressor Capacitor 45/370 45/370 μF/VAC Fan Motor Capacitor 8/450 8/450 Fan Speed 1030/980/920 1030/980/920 Thermo Control THERMISTOR Samsung Electronics...
  • Page 5 YGN60-6B-1 YGN60-6B-1 Compressor(Rotary) MODEL 2P16S126B1G 2P16S126B1G 2P18S126B1H 2P18S126B1H Overload Protect MRA98695 MRA98695 MRA98896-9200 MRA98896-9200 μF/VAC Compressor Capacitor 45/370 45/370 45/370 45/370 μF/VAC Fan Motor Capacitor 15/250 15/250 15/250 15/250 Fan Speed 930/890/850 930/890/850 900/850/800 900/850/800 Thermo Control THERMISTOR Samsung Electronics...
  • Page 6 Blower Fan Motor MODEL YGN59-6B YSK160-6A-3 YSK160-6A-3 Compressor(Rotary) MODEL 44B135HX1EL 48D180IU1EQ 48D180IU1EQ Overload Protect MRA98693-12007 MRA12046-12007 MRA12046-12007 μF/VAC Compressor Capacitor 50/370 35/450 35/450 μF/VAC Fan Motor Capacitor 15/450 6/450 6/450 Fan Speed 900/850/800 1050/1000/960 1050/1000/960 Thermo Control THERMISTOR Samsung Electronics...
  • Page 7 2-2 Dimensions 2-2-1 Main Unit (Unit : mm) (Unit : mm) (Unit : mm) (Unit : mm) Model Name Width Height Depth AW0503B AW0505B AW0603B AW0605B AW0803B AW0805B AW1003B AW1005B AW1203B AW1205B AW1403B AW1803B AW1805B Front view Front view Front view...
  • Page 8: Installation And Operating Instructions

    (obtain a clearance of at least one meter). Caution: Do not use the air conditioner in the following environments : greasy areas (including areas near machines), or marine areas. Contact your local dealer for advice. Samsung Electronics...
  • Page 9: Function Description

    2) Fan motor control in compressor off : After compressor off, the fan motor is operated breeze for 2 minutes and then it turn off. 3) After the fan motor off, the compressor and fan motor is operated normally when the compressor on. Samsung Electronics...
  • Page 10 ERROR OPERATION LED DISPLAY ROOM THERMISTOR E1 displayed (OPEN or SHORT) 1) Set operation in case of error occurrence. • Malfunction of each temperature sensor (open, short) - Error mode display, warning sound. - The operation status is off. Samsung Electronics...
  • Page 11 MEMO Samsung Electronics...
  • Page 12: Disassembly And Reassembly

    Perform soldering function Problem? Fill system with nitrogen gas Check for leakage Corrective action Leakage? Check refrigerant oil level Release nitrogen gas? Low oil level? Evacuate system Add oil as necessary Recharge system Pinch and braze filling tube Samsung Electronics...
  • Page 13: Checking The Oil

    4. When the refrigerant is replaced ..add 30cc oil. 5. After vacuum is completed, the oil is filled through the high pressure side. 6. In the event of a refrigerant leak, generally it is not necessary to add oil. (Unless the oil has leaked significantly.) Samsung Electronics...
  • Page 14 4-3.Disassembly and Reassembly Procedure (AW0503B/AW0505B/AW0603B/AW0605B) Stop operating the air conditioner, and pull out the power cord before repair. Part Name Procedures Remarks Ass’y Grille 1.Pull the Grille air inlet and Guard air filter out. (Pull both sides of Grille air inlet forward carefully, then take out the filter.)
  • Page 15 Disassembly and Reassembly Procedure (AW0503B/AW0505B/AW0603B/AW0605B) Part Name Procedures Remarks CASE EVAP 1.Take the case evap up forward carefully. UP & ASSY (tear all the seal on it before ) EVAP 2.Pull the frame up upward. Blower 1.Remove all screws on the evaporator.
  • Page 16 2.Remove 3 screws fixed on the partition and plate evaporator casing. 3.Remove the screw fixed for the power cord. 4.Un-connect the motor wire and comp lead (The picture maybe have a little wire, then take out the control box upward. different from actual product) Samsung Electronics...
  • Page 17 & Motor Fan 2.Pull up the condenser from the base pan. 3.Remove the nut and remove the Propeller fan. 4.Remove the screw fixed on the partition and earth screw fixed on the base pan, then take out the motor backward. Samsung Electronics...
  • Page 18 2.Remove all screws fixed on the partition and plate evaporator casing. 3.Remove the screw fixed for the power cord. 4.Un-connect the motor wire and comp lead (The picture maybe have a little wire, then take out the control box upward. different from actual product) Samsung Electronics...
  • Page 19 4.Remove 4 screws fixed on the plate reinf, then take out the case cond. 5.Remove 4 screws fixed on the mount motor then take out the motor backward. 6.Remove 4 screws fixed on the base and partition then remove the mount motor. Samsung Electronics...
  • Page 20: Troubleshooting

    • Check whether the unit is in "FAN" mode. setting (In "FAN" mode, only the current temperature is displayed, and the desired temperature is not set.) Checking and Display of Fault Area ERROR OPERATION ERROR OPERATION ROOM THERMISTOR (OPEN OR SHORT) E1 displayed Samsung Electronics...
  • Page 21 • Check and replace the C101~104. the C103 electrolytic condenser? • Check the IC01, and IC02 for cold Are the IC01(KA7812) and IC02(KA7805) normal? soldering and a short. • Replace the IC01, and IC02. Replace the assembly main PCB. Samsung Electronics...
  • Page 22 Q905 for a short, key pad. Q901 ~ Q905 square wave? and replace it. Check the IC07 Is the voltage of the for a short, and IC07 No. 10~16 a square replace it. value? Replace the membrane key pad Samsung Electronics...
  • Page 23 • Replace relevant components. • Check the R415 components. Is the input voltage of the micom(IC04) No.15 • Check the assembly main PCB pin of the assembly main PCB a aquare wave? micom(IC04). Replace the assembly main PCB. Samsung Electronics...
  • Page 24 - When the compressor is ON, the RY71 should operate. • Replace the relay. • Check the operation of the O.L.P, and replace it if necessary. Is the compressor normal? • Check the compressor resistance.(0Ω : short, ∞Ω : open) Replace the compressor. Samsung Electronics...
  • Page 25 - When the air-swing motor is operated, the (Normal: About 400Ω) RY75 should be operated. • Replace the relay. • Check the air-swing motor resistance. Is the air-swing motor normal? (0Ω : short, ∞Ω : open) Replace the air-swing motor. Samsung Electronics...
  • Page 26 - When the fan motor is Low, RY76 should operate. • Check the fan motor resistance. (0Ω : short, ∞Ω : open) Is the fan motor normal? • Check the fan motor thermal fuse? (130˚C) Replace the fan motor. Samsung Electronics...
  • Page 27 MEMO Samsung Electronics...
  • Page 28: Exploded Views And Parts List

    6. Exploded View and Parts List 6-1 Main unit Samsung Electronics...
  • Page 29: Exploded View And Parts List

    Exploded View and Parts List ■Part List Q'TY Description Code No. Specification AW0503B AW0505B AW0603B AW0605B ASSY PANEL FRONT DB92-00516A DB92-00516B SEA WALMART PANEL FRONT DB64-00902A SEA-2004 GRILLE AIR INLET DB64-00903A DB64-01078A SEA WALMART BLADE V-S DB66-00663A HIPS,T2.0,-,- BLADE V-L DB66-00546A HIPS,T2.0,-,-...
  • Page 30 6. Exploded View and Parts List 6-3 Main unit Samsung Electronics...
  • Page 31 SGCC-M,T0.45 34-9 THERMISTOR DB32-10051E 10K/25,-,3435K, 34-10 ASS'Y MAIN PCB DB93-02478C H,SEA 34-11 PANEL CONTROL DB64-00918A H1-P/J,ABS,T2.0,W90 34-12 SWITCH MEMBRANE DB34-00031A PE,SEA DB34-00031D PE,SEA##WALL TUBE CAPILLARY DB62-02298A 1.42×1200mm ASSY BASE DB90-01255A H1-P/J ASSY-SCREW DB97-30156C SPS/GEA, BRACKET INSTALL DB61-30219F GE,SPS-P/J,SGCC-A Samsung Electronics...
  • Page 32 6. Exploded View and Parts List 6-5 Main unit Samsung Electronics...
  • Page 33 H2-P/J,ABS,-,W79.8, 30-12 SWITCH MEMBRANE DB34-00032A -,-,-,PE,-,-,40~350 DB34-00032D -,-,-,PE,SEA##WALL TUBE CAPILLARY DB62-02367A AW10**HAA,C1220T-O,- ASSY BASE DB90-01285B H2-P/J,44 FRAME ASSY-SCREW DB97-30156C -,-,-,-,-,-,SPS/GEA, BRACKET INSTALL DB61-30219F GE,SPS-P/J,SGCC-A MOTOR FAN DB31-00211A YFK-70A-6B DB31-00211B YGN60-6B-2 PLATE REINF DB70-00367A H2-P/J,SGCC-M REMOCON ASSY DB93-01433S OK-PJT,ARC-735 Samsung Electronics...
  • Page 34 6. Exploded View and Parts List 6-7 Main unit Samsung Electronics...
  • Page 35 AC230V,50/60HZ,DC DB26-00006J AC115V,50/60HZ,DC TUBE CAPILLARY DB96-02970A ID1.3×1200×3EA DB96-03150A ID1.42×1400×2EA ASSY BASE DB90-01215B H3-PJT DB90-01215C H3-PJT,FOR 44 COMP ASSY-SCREW DB97-90014U M-P/J,(XAX) BRACKET INSTALL DB61-30219F GE,SPS-P/J,SGCC-A,T MOTOR FAN DB31-00214C YSK160-6A-3,18K-C TOP DB31-00236A YGN59-6B PLATE REINF DB70-00342A H3-P/J,SGCC-M,-,T0.8 REMOCON ASSY DB93-01433S Samsung Electronics...
  • Page 36: Block Diagram

    Fan speed (med) • Buzzer control Fan speed (low) • Temperature control Power circuit (DC 5V) • Fan motor control Powercircuit (DC 12V) Cool Energy saver Down Trans (AC15V) Reset Circuit Temp.setting(↑) Oscillation Circuit Temp.setting(↓) Power input (AC220V) Samsung Electronics...
  • Page 37 P3.6 REMOCON SENSOR THERMIS- P2.3 P3.5 EEPROM CS TOR(103AT) P2.4 P3.4 LOW FAN OPTION P2.5 P3.3 COMPERSSOR OPTION P2.6 P3.2 MIDDLE FAN OPTION P2.7 P3.1 HIGH FAN OPTION P4.5 P3.0 4-WAY VALVE SAVE OPTION AVref AVss SWING MOTOR Samsung Electronics...
  • Page 38: Pcb Diagram

    8. PCB Diagram 8. PCB Diagram 8. PCB Diagram 8. PCB Diagram ASSY MAIN PCB:DB93-02480 FRONT SIDE BACK SIDE Samsung Electronics Samsung Electronics Samsung Electronics Samsung Electronics...
  • Page 39: Part List

    38 JUMP WIRE PH0.6,L7.5mm J1,J2,J4--J8,J11--J15 39 JUMP WIRE PH0.6,L10mm 40 JUMP WIRE PH0.6,L12.5mm 41 PCB-MAIN 5KFR-1,63*113*1.6MM 30522A4 42 IC KA75330Z IC05 43 CHIP-MCU KS88C4716 IC04 44 LED DISPLAY CSE-42202G LED01 45 REMOCON FRP-4021H10 RM41 46 FUSE HOLDER HF-004/J F701 SAMSUNG ELECTRONICS...
  • Page 40 8. PCB Diagram 8. PCB Diagram 8. PCB Diagram 8. PCB Diagram ASSY MAIN PCB:DB93-02478 FRONT SIDE BACK SIDE Samsung Electronics Samsung Electronics...
  • Page 41 37 SCREW TAPPING PH3 L8 38 JUMP WIRE PH0.6,L7.5mm J1,J2,J4--J9,J11--J14 39 JUMP WIRE PH0.6,L10mm 40 PCB-MAIN FR-1,63*113*1.6MM 30522B4 41 IC KA75330Z IC05 42 CHIP-MCU KS88C4716 IC04 43 LED DISPLAY CSE-42202G LED01 44 REMOCON FRP-4021H10 RM41 45 FUSE HOLDER HF-004/J F701 SAMSUNG ELECTRONICS...
  • Page 42: Wiring Diagram

    9. Wiring Diagram COMP- RESSOR CAPACITOR MOTOR AW0503B/AW0505B DIAGRAM AW0603B/AW0605B Samsung Electronics...
  • Page 43 9. Wiring Diagram AW0803B DIAGRAM AW0805B Samsung Electronics...
  • Page 44 9. Wiring Diagram AW1003B/AW1203B/AW1403B DIAGRAM AW1005B/AW1205B/AW1803B/AW1805B Samsung Electronics...
  • Page 45: Schematic Diagram

    10. Schematic Diagrams DB93-02480 10-1 Samsung Electronics...
  • Page 46 10. Schematic Diagrams DB93-02478 10-2 Samsung Electronics...
  • Page 47 Itself Solution Integrated technology supporting electronic library http://itself.sec.samsung.co.kr Copyright © 2003 By Samsung Electronics Co., Ltd. All rights reserved. This manual may 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.
  • Page 48 ELECTRONICS © Samsung Electronics Co., Ltd. Dec. 2003. Printed in China Code No. DB81-00025A...

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