Samsung AM27B1C07 Service Manual
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Samsung AM27B1C07 Service Manual

Samsung AM27B1C07 Service Manual

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Table of Contents

See also: Installation Instructions & Owner's Manual
SERVICE
AIR CONDITIONER
E DB98-05644A(1)

ROOM AIR CONDITIONER

INDOOR UNIT
AM27B1C07
AM27B1C13
Manual
OUTDOOR UNIT
UM27B1C3
CONTENTS

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Summary of Contents for Samsung AM27B1C07

  • Page 1: Table Of Contents

    ROOM AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT AM27B1C07 UM27B1C3 AM27B1C13 SERVICE Manual AIR CONDITIONER CONTENTS 1. Installation 2. Disassembly and Reassembly 3. Troubleshooting 4. Exploded Views and Parts List 5. Refrigerating Cycle Block Diagrams 6. Wiring Diagrams 7. Schematic Diagrams...

  • Page 2: Installation

    1. Installation 1-1 Refrigerant Refill Procedure • You can install 15m of connecting pipe to the maximum, and you don’t have to charge any addtional refrigerant. • Piping length and the height 1. Remove the valve stem cap and service port of 3-way valve.
  • Page 3 1-2 “Pump down” Procedure 1. Confirm that both the 2-way and 3-way valves are set to the open position. (1) Remove the valve stem caps. (2) Be sure to use a hexagonal wrench to operate the Gas side valve stems. 2.

  • Page 4: Disassembly And Reassembly

    2. Disassembly and Reassembly Stop operation of the air conditioner and remove the power cable before repairing the unit. 2-1 Indoor Unit Parts Procedure Remark Front Grille 1) Stop the air conditioner operation and block the main power. 2) Separate tape of front panel upper. 3) Contract the second finger to the left, and right handle and pull to open the inlet grille.
  • Page 5 Parts Procedure Remark Electrical Parts 1) Do “1”above. (Main PCB) 2) Take all the connector of PCB upper side out. (Inclusion Power cord) 3) Separate the outdoor unit connection wire from the terminal block. 4) If pulling the Main PCB up. it will be taken out. Ass’y Tray Drain.
  • Page 6 2-2 Outdoor Unit Parts Procedure Remark Cabinet 1) Turn off the unit and remove the power cable 2) Remove the top cover. 3) Remove the control box cover. 4) Unplug the ass'y cable. 5) Remove the cabi-side. 6) Remove the cabi-front. * When you assemble the parts, check if the each parts and electric connectors are fixed firmly.
  • Page 7 MEMO...

  • Page 8: Troubleshooting

    3. Troubleshooting 3-1 Items to be checked first 1) The input voltage should be rating voltage ±10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 4 cables.

  • Page 9: Fault Diagnosis By Symptom

    3-2 Fault Diagnosis by Symptom 3-2-1 No Power (completely dead)-Initial diagnosis Checklist : (1) Is input voltage normal? (2) Is AC power linked correctly? (3) Is output voltage of DC regulator IC KA78L05 (IC02) normal? (4.5VDC-5.5VDC) Troubleshooting procedure Remove power cord and plug in again in approx.
  • Page 10 3-2-2 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) Checklist : (1) Is the indoor unit fan motor properly connected with the connector (CN72)? (2) Is the AC voltage correct? (3) Is HALL IC in indoor fan motor properly connected with the connector (CN42)? (4) Is the running capacitor (CR71) properly connected with PCB board? Troubleshooting procedure After unplugging out the power cord should...
  • Page 11 3-2-3 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the set temperature of the remote control higher than room temperature in COOL mode? (3) Is the POWER IN connector (CN71) linked correctly? (4) Is the outdoor unit properly connected with the TERMINAL BLOCK connector((N1), 1)? Troubleshooting procedure After unplugging out the power cord should be...
  • Page 12 3-2-4 When the UP/DOWN Louver Motor Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. Is STD lamp blinking? Check as in the procedure "No Power parts".
  • Page 13 3-2-6 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) Troubleshooting procedure Remove power cord and plug in again approx. 5 Seconds Is operation lamp blinking? Check as in the procedure “NO Power parts”. Refer to page 8. “ “...
  • Page 14 3-2-7 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the set temperature of the remote control higher than room temperature in COOL mode? (3) Is the CONNECTOR-WIRE OUTDOOR linked correctly? (4) Is the indoor unit wire properly connected with the outdoor unit wire? Troubleshooting procedure Remove power cord and plug in again in approx.
  • Page 15 3-3 Set up the Model option The Method for Setting up the model option with remocon • It is necessary to set up option code after replacing the main-PCB as a service parts. Make sure that you can set up the option of code the remote controller after you replace the main PBA otherwise, the unit won’t be working properly and all LED lamps on display will be flickering.
  • Page 16 ! If the first number is , it is correct otherwise press until appear. @ When pressing the button appear on the display, select one of them. # When pressing the button appear on the display, select one of them. $ When pressing the button appear on the display,...
  • Page 17 <Table of the option code> MODEL OPTION CODE AM27B1C13 030000-100373 AM27B1C07 030000-10020C...
  • Page 18 MEMO...

  • Page 19: Exploded Views And Parts List

    4. Exploded Views and Parts List 4-1 Indoor Unit 18-6 18-6-1 18-1 18-4 18-5 18-3 18-2 13-4 13-2 13-3 13-1...
  • Page 20 Parts List Q’TY CODE NO Description REMARK AM27B1C13 AM27B1C07 DB64-00085A GRILLE AIR INLET DB63-00064B GUARD-AIR FILTER DB95-00287K FILTER CLEANER ASS´Y DB63-00067A COVER TEMINAL DB92-00031L ASS´Y PANEL DB67-00051A SPACER EVAP LOW DB67-00032A SPACER EVAP UP DB63-00083A COVER U BEND DB94-00020A ASS´Y FAN CROSS...
  • Page 21 4-2 Outdoor Unit 19(19-1~19-7) 13(13-1~13-6) 16(16-1) 9(9-1~9-2) 17(17-1~17-4)
  • Page 22 Parts List CODE NO Description Specification Q’TY Remark DB90-00075D ASSY CABI FRONT ASS’Y DB90-20207A ASSY BASE OUT ASS’Y DB67-50067A FAN PROPELLER AS+G/F20%,D495 DB31-00095A MOTOR FAN OSM-738SRC DB61-20093A BASE MOTOR SGCC-M,T1.2 DB63-30027C GUARD COND SC-90073T DB94-50041D ASSY PARTITION ASS’Y DB90-10574B ASSY CABI SIDE ASS’Y DB90-40120B ASSY COVER...
  • Page 23 4-3 ASS’Y CONTROL IN (DB93-01223B) Parts List Description Specification Remark HOLDER CONTROL DB61-00160B ASSY MAIN PCB DB93-01018A TERMINAL BLOCK ASSY DB65-00078A ASSY DISPLAY PCB DB93-00268A CONNECTOR WIRE PCB U/D DB39-00147A HOLDER CLAMP IN DB61-00219A SEAL CONTROL SIDE DB72-10191T SEAL H/CONTROL FRONT DB72-00127V SCREW MACHINE LABEL...

  • Page 24: Refrigerating Cycle Block Diagrams

    5. Refrigerating Cycle Block Diagram OUTDOOR UNIT INDOOR UNIT Refrigerating cycle temperature and pressure Piping Temp.(˚F) Use Temp. Condition (˚F) STD Pressure Operating Condition (psi) Indoor Outdoor 3-WAY V/V Standard 64~78 50~54 50~54 Cooling Max over load 61~64 61~64 Low temp 34~39 34~39...

  • Page 25: Wiring Diagrams

    6. Wiring Diagrams 6-1 Indoor Unit...
  • Page 26 6-2 Outdoor Unit...

  • Page 27: Schematic Diagrams

    7. Schematic Diagrams 7-1 Indoor Unit AS07A5(6)MA / AS09A5(6)MA...
  • Page 28 7-2 Outdoor Unit...
  • Page 29 ELECTRONICS Printed in Korea.

This manual is also suitable for:

Am27b1c13Um27b1c3

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