Samsung AR07TXCAAWKNEU Service Manual Download Page 73

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SAMSUNG ELECTRONICS

9-2 Communication Error

9-2-1 Communication Error

Indoor display

7 SEG DISPLAY

DESCRIPTION

C101/C102

Communication error(Indoor<->outdoor)

Outdoor display

1min. Time out Comm.

Abnormal Communication

: LAMP ON

: LAMP OFF

: LAMP BLINK

1. Checklist :

1) Is the cable between the indoor unit and outdoor unit connected correctly?

2) Isn't the power cable and communication cable cross?

2. Troubleshooting procedure

Restartafter power off.

Isthecommunicationerroroccurredagain?

YES

Exchangetheindoorunit PBA.

Is theconnection of powercableand

communicationcablenormal?

Isthe powerisnormal?

(check theLED Lamp)

Isthecommunicationerroroccurredagain?

YES

Terminatetheservice.

Correct thewrong cable.

Exchangethe PBA of no powerunit

Terminatetheservice.

Exchangethe outdoorunit PBA.

Summary of Contents for AR07TXCAAWKNEU

Page 1: ...EU AR12TXCAAWKXEU AR09TXEAAWKXEU AR12TXEAAWKXEU AR18TXEAAWKXEU AR24TXEAAWKXEU AR09TXFCAWKXEU AR12TXFCAWKXEU AR18TXFCAWKXEU AR24TXFCAWKXEU 1 Precautions 2 3 Alignment and Adjustments 4 Disassembly and Reassembly 5 ASSY CONTROL 6 Wiring Diagram 7 PCB Diagram 8 Operating Instructions 9 Troubleshooting 10 Block Diagram 11 Reference Sheet AR T AAWKN AR09TXF WKX AR12TXF WKX AR09TXH WKX AR12TXH WKX AR T ...

Page 2: ...Display Error and Check Method 13 3 3 Setting Option Setup Method 14 4 Disassembly and Reassembly 18 4 1 Indoor Unit 19 4 2 Outdoor Unit 29 5 ASSY CONTROL 46 5 1 ASSY KIT CODE DB92 04845Q 46 5 2 ASSY KIT CODE DB92 04842A 47 5 3 ASSY KIT CODE DB92 04842J 49 5 4 ASSY KIT CODE DB92 04843A 51 5 5 ASSY KIT CODE DB92 04849A 53 6 Wiring Diagram 55 6 1 Indoor Unit 55 6 1 Outdoor Unit 56 7 PCB Diagram 57 7...

Page 3: ...cked First 67 9 2 Communication Error 68 10 Block Diagram 86 10 1 Indoor unit 86 10 2 Outdoor unit 87 11 Reference Sheet 90 11 1 Low Refrigerant Pressure Distribution 90 11 2 Pressure Capacity mark 90 11 3 Q A for Non trouble 91 11 4 Cleaning Filter Change 94 11 5 Installation 99 11 6 Installation Diagram of Indoor Unit and Outdoor Unit 100 11 7 Reference sheet 103 ...

Page 4: ...order to avoid a hazard The air conditioner must be plugged into an independent circuit if applicable or connect the power cable to the auxiliary circuit breaker An all pole disconnection form the power supply must be incorporated in the fixed wiring with a contact opening of 3mm Do not extend an electric cord to the air conditioner The air conditioner must be plugged in after you complete the ins...

Page 5: ...ontacts with your skin it can cause skin injury The package of the air conditioner should be recycled or disposed of properly for environmental reasons 1 5 Others Never store or load the air conditioner upside down or sideways to prevent the damage to the compressor Young children or infirm persons should be always supervised when they use the air conditioner Max current is measured according to I...

Page 6: ...e your energy consumption and reduce your electricity bill by adjusting the maximum operating capacity of the compressor Easy Filter There is no grille to remove before separating the filter from the air conditioner Therefore filter can be cleaned easily and more frequently Constant filter cleaning will prevent dust from entering the product or accumulating on the filter good sleep function good s...

Page 7: ...Sub Comp Model UB1AR5090FE6 UB1AR5090FE6 UB9TK2150FE4 UB1AR5090FE6 Motor In Code DB31 00694A DB31 00694A DB31 00637A DB31 00636A Name FMH2031SSA FMH2031SSA RD 310 25 8B SIC 37CVL F127 2 RD 310 25 8A AL SIC 41CVJ F127 2 Motor Out Code DB31 00693A DB31 00693A DB31 00658D DB31 00642C Name ZKFP 30 8 222 ZKFP 30 8 222 FMDC531SSE YMAP095AE01A1 RD 310 45 8B Expansion Φ L EEV Φ1 3 029 EEV Φ1 3 029 EEV Φ1 ...

Page 8: ...ugate1 5 N G S 4by4by1 Sub Comp Model UB1AR5090FE6 UB9TK3150FE4 UB9TK3150FE4 UB9TK2150FE4 Motor In Code DB31 00636A DB31 00637A DB31 00636A DB31 00636A Name RD 310 25 8A AL SIC 41CVJ F127 2 RD 310 25 8B SIC 37CVL F127 2 RD 310 25 8A AL SIC 41CVJ F127 2 RD 310 25 8A AL SIC 41CVJ F127 2 Motor Out Code DB31 00642C DB31 00642C DB31 00642C DB31 00658D Name Expansion Φ L EEV1 3 Φ1 4 Φ1 4 Φ1 4 Refrigeran...

Page 9: ... 24S 850 825mm Corrugate1 5 N G S 4by4by2 Sub Comp Model KTN130D42UFR KTN130D42UFR Motor In Code DB31 00636A DB31 00636A Name RD 310 25 8A AL SIC 41CVJ F127 2 RD 310 25 8A AL SIC 41CVJ F127 2 Motor Out Code DB31 00642C DB31 00642C Name RD 310 45 8B RD 310 45 8B Expansion Φ L Φ1 3 029 Φ1 3 029 Refrigerant type R32 R32 charge g 965 g 965 g SVC Valve Liquid Gas Φ6 35 Φ9 52 Φ6 35 Φ9 52 Tube Dis Suc Φ9...

Page 10: ...m Forced Smart Install Forced Smart Install Forced Smart Install PM 10 FILTER IndoorDisplay 8 8 AI Timer Wifi 8 8 AI Timer Wifi 8 8 AI Timer Wifi 88 SEG Model DEVELOPMENT MODEL DEVELOPMENT MODEL DEVELOPMENT MODEL DEVELOPMENT MODEL AR12TXEAAWK EU AR18TXEAAWKNEU AR18TXFCAWKNEU AR24TXFCAWKNEU Design IndoorUnit OutdoorUnit Net Weight IndoorUnit 10 6 12 5 12 5 12 5 OutdoorUnit 12 7 43 7 43 7 43 7 Net D...

Page 11: ...sign IndoorUnit OutdoorUnit Net Weight IndoorUnit 8 9 8 9 OutdoorUnit 34 34 Net Dimension IndoorUnit 889 299 215 889 299 215 OutdoorUnit 790 548 285 790 548 285 Noise IndoorUnit 42 56 dB 44 58 dB OutdoorUnit 51 59 dB 53 62 dB AirPurifying System PM 10 FILTER PM 10 FILTER IndoorDisplay 88 SEG 88 SEG ...

Page 12: ... 1 Indoor unit case DB90 11454A Q3 1 ASSY WIRELESS REMOCON DB96 24901C 1 MANUAL USER DB68 08595A 1 MANUAL USER DB68 08615A 1 MANUAL INSTALL DB68 08692A 1 HOLDER REMOCON DB61 06087A 1 Batteries for Remote controller 4301 000121 2 M4 x 12 Tapped Screws 6002 000213 2 Rubber Leg DB67 01533A 4 Outdoor unit case Drain plug DB67 20011A 1 ...

Page 13: ...Error occurs display the Error Mode Operation Mode Cool mode operate the cool mode by operating the compressor by force without the compressor ON OFF according to the set temperature indoor temperature Do not follow the antifreeze control Up down louver Up down swing mode Indoor Fan Turbo Note Because the teat mode operate the cool mode by force not related to the set temperature indoor temperatur...

Page 14: ...rror C122 C123 INDOOR MID INDOOR IN EVA TH sensor error C140 Dust sensor error C142 Humidity error C143 Motion sensor error C154 Fan error indoor C161 Mixed operation error C163 Option error C187 K1 filter feed back error C665 Drain pump error Note If the Set doesn t work No power check the Thermal fuse of Terminal block OPEN or SHORT with Multimeter Measure the Thermal fuse housing PIN 1 2 OPEN d...

Page 15: ...ature Sensor error C468 Current sensor error C474 Heatsink sensor error C485 Input current sensor error C465 Comp V_limit I_limit error C500 Heatsinkover temperature error C231 CON TH Cond temperature sensor error C203 Time out Comp Inv Micom Main Micom C458 Fan error C471 EEPROM data error Main Micom INV Micom C467 Comp wire missing error C440 Prohibit operation condition error Heating C441 Prohi...

Page 16: ...SEG19 SEG20 SEG21 SEG22 SEG23 SEG24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG30 SEG31 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39 SEG40 SEG41 SEG42 SEG43 SEG44 SEG45 SEG46 SEG47 SEG48 Enter the Option Setup mode 1 Tack out the batteries of remote control 2 Press the temperature button simultaneously and insert the battery again 3 Make sure the remote control display shown as Step 1 Enter the Options S...

Page 17: ...tion of the selection check you made right selections When pressing the operation ON OFF key with the direction of remote control for the sound Ding or Diriring isheard and the OPERATION ICON lampof the display is flickering at the same time then the input of option is completed If the deriving sound isn t heard try again pressing the ON OFF button Step 4 PressingtheON OFFbutton ...

Page 18: ...tep 1 Enter the Option Setup mode is executed Seg25 48 for setting remote control Setup Push the Mode button to set the display panerl to 2 Every time you push the button the display panel reads repeatedly Push the Mode button to set the display panerl to 1 Every time you push the button the display panel reads repeatedly ...

Page 19: ...ation test run Option Items General Install AR07TXCAAWKNEU 011A05 18C0E7 271416 371604 020002 100000 200101 300346 AR09TXCAAWK EU 011A05 19C0F7 271920 371604 020002 100000 200101 300346 AR12TXCAAWK EU 011A05 17C217 272328 371604 020002 100000 200101 300346 AR07TXEAAWKNEU 011A05 18C096 271416 371604 020000 100000 200101 300346 AR09TXEAAWK EU 011A05 18C0A6 271920 371504 020000 100000 200101 300346 A...

Page 20: ...Reassembly Necessary Tools Item Remark SCREW DRIVER Q ty 1 ea To assembly and disassembly the screw MONKEY SPANNER Q ty 1 ea To assembly and disassembly the Fan motor and Compressor SCREW DRIVER Q ty 1 ea To assembly and disassembly the screw ...

Page 21: ... Stop the driving of air conditioner and shut off main power supply 2 Detach FILTER PRE from the PANEL FRONT 3 The COVER PANEL is fixed to body by hooks in center and side area 4 Separate the hook pulling end of the COVER PANEL as shown in figures Watch out for the damage of hooks ...

Page 22: ...of Cover Panel after service end Piping and Drain Hose must be careful not to damage and progress must be done with both hands Need to check all bottom hooks in holes of the main frame before you push to assemble Caution Assemble push side hooks Assemble push center 5 hooks each ...

Page 23: ...g end of the GRILLE INLET as shown in figures Watch out for the damage of hooks 7 To detach the PANEL FRONT from the main frame unfasten 2 screws at the bottom use Screw Driver 8 To detach the PANEL FRONT from the main frame loosen 4 hook structures When separate the hooks pull out each ribs near the hooks as shown in figures Watch out for the damage of hooks ...

Page 24: ...EL FRONT upward as shown in the figure to separate the 3 hooks 2 CONTROL IN 10 To open the CONTROL IN raise the side flanges of the PLATE RIGHT at an angle and unlock 2 hooks 11 To detach the CONTROLIN unfasten a screw back of the PLATE LEFT as shown in figures use Screw Driver ...

Page 25: ...te Fan Motor wire as shown in figures Caution When you separate the connector pull pressing the locking button 13 Separate Blade Motor wire as shown in figures Caution When you separate the connector pull pressing the locking button 14 Cut off the Cable Tie tied up wires ...

Page 26: ...Use Screw Driver 16 The CONTROL IN is fixed to HOLDER PIPE by a hook bottom of the case as shown in the last figure Please loosen remaining connectors before detaching CASE CONTROL Caution When you separate the connector pull pressing the locking button 17 Put down of the HOLDER PIPE and push up the hook and lean side the case as shown in figures ...

Page 27: ...NG ELECTRONICS No Parts Procedure Remark 3 TRAY DRAIN 18 To detach the TRAY DRAIN from the main frame pull the bottom of the TRAY DRAIN and it leans toward to you as shown in figures 19 Pull out the Drain Hose ...

Page 28: ...e main frame loosen 2 hook structhres When separate hooks Use the Screw Driver Insert the Screw Driver into the gap of the hook and lean to the Motor side as shown in figures Watch out for the damate of hooks 22 Remove the HOLDER PIPE 23 Unfasten a screw of the Fan Motor side Use Screw Driver 24 Unfasten 2 screws of the opposite side of the Fan Motor Use Screw Driver ...

Page 29: ...29 SAMSUNG ELECTRONICS No Parts Procedure Remark EVAPORATOR 25 Pull up the EVAPORATOR of the opposite side of the Fan Motor 26 loosen a hook of the Fan Motor side 27 Pull up the EVAPORATOR toward to you ...

Page 30: ...MOTOR CROSS FAN 28 Unfasten a screw on the COVER Motor Use Screw Driver 29 Unwind the Motor Wire 30 Detach the COVER Motor 31 Unfasten a screw of the CROSS FAN a little Use Screw Driver 32 Raise up the CROSS FAN of the left side and pull out from the Motor ...

Page 31: ...ner please cut off the supply of power 2 Please separate outdoor after loosen the bottom screw 3EA of the front three places screw driver Use 3 Please separate the positions of the sides screw 1EA screw driver Use 4 Please remove the portions of the side screw 1 screw driver Use 5 Please separate lifting up and grab the ends of the lower end of the CABINET FRONT ...

Page 32: ...lease remove the screw 4ea located on the rear panel use screwdriver 7 Please separate the screw 2ea located on the side panel screw driver Use 8 Please separate the screw 4ea located on the side panel screw driver Use 9 Please remove the COVER CONTROL OUT downward ...

Page 33: ...r wire If the connector is excessively folded there is a risk of fire 11 Please remove the CABINET SIDE upward direction 2 FAN MOTOR 1 Please Loosen the NUT 1ea clockwise Using MONKEY SPANNER 2 Please remove the HOUSING s MOTOR WIRE 3 Remove the fixing points of the motor SCREW 2ea please disconnect the MOTOR turning counterclockwise ...

Page 34: ...Parts Procedure Remark 3 Assy Control Out 1 To remove the Cover control box Pull the motor wire is allow sufficient space as shown on the right side and then remove the screw 2 Detach several connectors from the Assy Control Out ...

Page 35: ... heat exchanger eliminate the refrigerant inside the compressor and heat exchanger completely with welding fire to remove the PIPE 2 Please separate NUT SERVICEVALVE 2EA MONKEY SPANNER or SCREW DRIVER Use 6 Condenser heat exchanger 1 Please remove the welds in one place COND IN 2 Please separate the two sides fixing screws loose SCREW DRIVER Use ...

Page 36: ...rclockwise using MONKEY SPANNER OLP external compressor 2 Disassemble COVERTERMINAL after remove the OLP BE CAUTION Engraved position C black S white R red OLP internal compressor 2 Please disassemble COVERTERMINAL how to distinguish from OLP internal external compressor Check the compressor label ...

Page 37: ...37 SAMSUNG ELECTRONICS No Parts Procedure Remark 3 Please remove the compressor after loosen the compressor fixed NUT 3ea Using MONKEY SPANNER 4 Please detach the two welds SUCTION DISCHARGE ...

Page 38: ... 4 3 Outdoor Unit N WW SI AR09TXEAAWKXEU AR09TXCAAWKXEU AR12TXEAAWKXEU AR12TXCAAWKXEU NO Parts Procedure Remark 1 Common work 1 Loosen each screws and detach the cabi Top cover 2 Loosen screws of the cabi front and detach it ...

Page 39: ...edure Remark 3 Remove the 4 Cond Bar from the holder of outdoor unit cabinet This process is supported by heating models only 4 Loosen ing screws from the Cabi Front Lh and detach it 5 Loosen ng screws from the Cabi Side Rh and detach it ...

Page 40: ...e picture on the right side Turn clockwise because the screw is left handed Use Monkey Spanner 2 Detach the Fan Propeller 3 Loosen 4 fixing screws to detach the Motor Use Monkey Spanner 4 Disconnect the wire between Ass y Control Out and Motor 5 Loosen fixing bolts and detach the Bracket Motor ...

Page 41: ...entspace as shown on the right side and then remove the screw 2 Detach several connectors from the Assy Control Out 3 Detach several connectors from the PCB of Assy Control Out 1 Release the refrigerant at first 2 Loosen ng screw on both sides 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger ...

Page 42: ...NICS NO Parts Procedure Remark 5 Compressor 1 Loosen the ng nut and detach the Compressor Lead Wire Use Monkey Spanner 2 Loosen the bolts at the bottom of Compressor like the picture on the right side Use Monkey Spanner ...

Page 43: ...TX WKXEU No Parts Procedure Remark 1 Common work 1 Loosen fixing screws from the cabi side Rh and detach it 2 L oosen each sc rews and detach the Cabi Top Cover 3 Loosen fixing screws from the cabi side 4 Loosen fixing screws from the cabi side Rh and detach it ...

Page 44: ...UNG ELECTRONICS No Parts Procedure Remark 1 Common work 5 Loosen fixing screws from the 6 L oosen fixing screws from the Cabi left and detach it and Remove the 4 Cond Bar from the holderof outdoor unit cabinet ...

Page 45: ...e picture on the right side Turn clockwise because the screw is left handed Use Monkey Spanner 2 Detach the Fan Propeller 3 Loosen 4 fixing screws to detach the Motor Use Monkey Spanner 4 Disconnect the wire between Assy Control Out and Motor 5 Loosen fixing bolts and detach the Bracket Motor ...

Page 46: ... as shown on the right side and then remove the screw 2 Detach several connectors from the Assy Control Out 3 Detach several connectors from the PCB of Assy Control Out 4 Heat Exchanger 1 Release the refrigerant at first 2 Loosen ng screw on both sides 3 Disassemble the pipes in both inlet and outlet with welding torch 4 Detach the Heat Exchanger ...

Page 47: ...NICS No Parts Procedure Remark 5 Compressor 1 Loosen the ng nut and detach the Compressor Lead Wire Use Monkey Spanner 2 Loosen the bolts at the bottom of Compressor like the picture on the right side Use Monkey Spanner ...

Page 48: ... WIRE DB61 05871A 1 EA 7 SCREW TAPPING 6002 001163 1 EA 8 SCREW TAPPING 6002 000213 2 EA 9 SCREW SPECIAL 6009 001001 3 EA 10 CABLE TIE 6501 001075 1 EA 11 TERMINAL BLOCK_4P_GLOBAL DB37 00033A 1 EA 12 ASSY PCB DISPLAY_88_WIFI DB92 04833B 1 EA 13 SENSOR HUMIDITY DB32 00272A 1 EA 14 ASSY CONNECTOR WIRE POWER DB93 17169A 1 EA 15 ASSY CONNECTOR WIRE COMM DB93 17055B 1 EA 16 ASSY CONNECTOR WIRE EARTH DB...

Page 49: ...49 SAMSUNG ELECTRONICS 5 2 ASSY KIT CODE DB92 04839Q ...

Page 50: ...50 SAMSUNG ELECTRONICS 5 3 ASSY KIT CODE DB92 04839Q ...

Page 51: ... EA 6 SCREW TAPPING EARTH 6009 001001 4 EA 7 ASSY SCREW MACHINE H S DB91 00933A 3 EA 8 HOLDER WIRE CLAMP DB61 02200A 1 EA 9 RUBBER DB67 01534A 1 EA 10 PLATE CONTROL UP DB61 06600A 1 EA 11 PLATE CONTROL LOW DB61 06713A 1 EA 12 PLATE CONTROL DB61 06715D 1 EA 13 COVER CONTROL UP DB63 03378A 1 EA 14 CASE CONTROL LOW DB61 06714A 1 EA 15 SPRING DB81 00635A 2 EA 16 LABEL DB98 34030A 1 EA 17 HEAT SINK DB6...

Page 52: ...IRE COMM DB93 16402A 1 EA 22 ASSY CONNECTOR WIRE COMP DB93 09497B 1 EA 23 ASSY CONNECTOR WIRE AC SIGNAL DB93 17177A 1 EA 24 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 EA 25 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 EA 26 ASSY CONNECTOR WIRE REACTOR DB93 17175B 1 EA 27 SENSOR TEMP DB32 00257A 1 EA 28 ASSY MODULE DB92 04837A 1 EA ...

Page 53: ... EARTH 6009 001001 5 EA 7 ASSY SCREW MACHINE H S DB91 00933A 3 EA 8 HOLDER WIRE CLAMP DB61 00250A 2 EA 9 CASE CONTROL LOW WW SI Q 480 DB61 06722A 1 EA 10 COVER CONTROL OUT WW SI DB63 04234A 1 EA 11 PLATE CONTROL N SI DB61 05897C 1 EA 12 SPRING DB81 00635A 2 EA 13 SEAL DB62 11637T 0 153 mm 14 LABEL DB98 34030A 1 EA 15 HEAT SINK DB62 13008A 1 EA 16 TERMINAL BLOCK DB65 00274A 1 EA 17 TERMINAL BLOCK D...

Page 54: ...TOR WIRE COMP DB93 09497B 1 EA 21 ASSY CONNECTOR WIRE AC SIGNAL DB93 17177A 1 EA 22 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 EA 23 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 EA 24 ASSY CONNECTOR WIRE REACTOR DB93 17175A 1 EA 25 SENSOR TEMP DB95 05164A 1 EA 26 ASSY MODULE DB92 04837D 1 EA ...

Page 55: ...6002 000239 3 ea 5 SCREW TAPPING 6002 000536 2 ea 6 SCREW TAPPING 6002 001306 2 ea 7 SCREW SPECIAL 6009 001001 4 ea 8 ASSY SCREW MACHINE DB91 00933A 7 ea 9 HOLDER WIRE CLAMP DB61 00250A 2 ea 10 CASE CONTROL UPPER DB61 04677A 1 ea 11 CASE CONTROL DB61 05917A 1 ea 12 PLATE CONTROL DB61 04698B 1 ea 5 6 ASSY KIT CODE DB92 04843A 2 3 4 5 6 8 7 9 10 11 12 13 14 15 16 17 18 19 20 22 24 33 34 36 37 38 39 ...

Page 56: ...A 1 ea 19 ASSY CONNECTOR WIRE POWER DB93 17207A 1 ea 20 ASSY CONNECTOR WIRE COMM DB93 16402A 1 ea 21 ASSY CONNECTOR WIRE COMP DB93 10905D 1 ea 22 ASSY CONNECTOR WIRE REACTOR DB93 17175A 1 ea 23 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 ea 24 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 ea 25 SENSOR TEMP DB32 00257A 1 ea 26 SUPPORT PCB DB61 05796A 1 ea 27 RUBBER DB67 01713A 1 ea 28 ASSY PCB INVERTER DB92 ...

Page 57: ...0239 3 ea PBA 5 SCREW TAPPING 6002 000630 1 ea EARTH 6 SCREW SPECIAL 6009 001001 4 ea H S 7 ASSY SCREW MACHINE DB91 00933A 3 ea 8 HOLDER WIRE CLAMP DB61 00250A 2 ea 9 CASE CONTROL LOW DB61 06722A 1 ea 10 COVER CONTROL OUT DB63 04234A 1 ea 11 PLATE CONTROL DB61 04690B 1 ea 12 SPRING DB81 00635A 2 ea 13 SEAL DB62 11637T 0 153 ea 5 7 ASSY KIT CODE DB92 04849A 1 18 34 5 7 9 2 3 4 6 6 8 10 11 12 12 13 ...

Page 58: ...ea 22 ASSY CONNECTOR WIRE COMM DB93 16402A 1 ea 23 ASSY CONNECTOR WIRE COMP DB93 09497B 1 ea 24 ASSY CONNECTOR WIRE AC SIGNAL DB93 17177A 1 ea 25 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 ea 26 ASSY CONNECTOR WIRE EARTH DB93 12121B 1 ea 27 ASSY CONNECTOR WIRE REACTOR DB93 17175A 1 ea 28 ASSY CONNECTOR WIRE T2P OUT DB93 07362A 0 ea 29 ASSY CONNECTOR WIRE COMM DB93 14716A 0 ea 30 ASSY CONNECTOR WIRE D...

Page 59: ...59 SAMSUNG ELECTRONICS 6 Wiring Diagram 6 1 Indoor Unit CODE DB68 08680A 01 ...

Page 60: ...TRONICS 7 2 Outdoor Unit CODE DB68 08682A 01 AR09TXFCAWKXEU AR12TXFCAWKXEU AR09TXEAAWKXEU AR12TXEAAWKXEU AR18TXEAAWKNEU AR18TXFCAWKNEU CODE NO DB68 08687A 00 AR24TXEAAWKXEU AR24TXFCAWKNEU AR09TXCAAWKXEU AR12TXCAAWKEXU ...

Page 61: ...61 SAMSUNG ELECTRONICS 7 PCB Diagram 7 1 Indoor Main PCB DB92 04839A ...

Page 62: ...62 SAMSUNG ELECTRONICS 7 2 Outdoor PCB DB92 04837A ...

Page 63: ...63 SAMSUNG ELECTRONICS ...

Page 64: ...V 7 OLP_TH 8 NTRST 8 TRACECLK 1 GND 8 GND 9 GND1 9 GND1 2 NULL 10 5VDC 10 5VDC 3 5VDC 1 U 11 5VDC 11 5VDC 4 CS 2 V 1 310VDC 12 NULL 12 NULL 5 RX 3 W 2 NULL 13 NULL 13 NULL 6 TX 3 GND 14 NULL 14 TRACE3 7 CLK 4 15VDC 15 NULL 15 NULL 1 REACTOR 1 5 Rx 16 NULL 16 NULL 1 REACTOR 2 6 FG 17 GND1 17 BOOT 1 ORG 18 CLK 18 TRACE2 2 RED 19 CS 19 TRACE1 3 YEL 1 12VDC 20 Tx 20 TRACE0 4 BLK 2 GND 5 GRY 3 N 4 L CN...

Page 65: ...65 SAMSUNG ELECTRONICS 7 4 Outdoor PCB DB92 04837D CN380 CN700 CN470 CN810 CNP901 CN551 CNP402 CNP052 CNP051 CN800 CNP001 CNP002 CNP031 CNP004 CN320 CN210 ...

Page 66: ...NULL 15 NULL 5 SO_MICOM_RX 16 NULL 16 NULL 6 SI_MICOM_TX 17 GND 17 GND 7 CLK 18 TRACE2 18 DA_CLK 19 TRACE1 19 DA_CS CNP031 4 WAY 20 TRACE0 20 DA_DATA 1 NE_A 2 NULL CNP0051 CNP0052 REACTOR CNP004 COMM_GND 3 LI_S 1 REACTOR 1 1 GND 2 REACTOR 2 CNP901 BLDC FAN CN700 HEATER 1 DC_LINK CN320 COMM 1 12V 2 NULL 1 5V 2 GND 3 GND 2 ENABLE 3 HEATER_N 4 5V 3 INVERSE 4 HEATER_L 5 FAN_PWM 4 TDX 6 FAN_FG 5 RXD CN...

Page 67: ...67 SAMSUNG ELECTRONICS 8 5 DISPLAY PCB DB92 04833B ...

Page 68: ...Is inverted Terminalhasbeencut 2 There shall be no empty space between Ring terminal and Screw after Clamp If not there exists a possibility of fire which can be caused by electric heat in the connecting part 1 2 Good 3 Bad Ring terminal is connected reversely 4 Bad Not clamped Screw 5 Bad In the gap between Ring terminal Screw 6 Bad Unused Ring Terminal ...

Page 69: ...i care filter 04 Wind Free panel 05 Air flow blade up and down 06 Air flow blade left and right 07 Power button Remote control receiver 08 Room temperature sensor 09 Display 09 08 07 01 02 03 04 05 06 01 Air intake 02 Air filter 03 Tri care filter 04 Wind Free panel 05 Air flow blade up and down 06 Air flow blade left and right 07 Power button Remote control receiver 08 Room temperature sensor 09 ...

Page 70: ...r Auto clean indicator 02 Timer indicator good sleep indicator 03 Eco indicator 04 Wi Fi indicator AR T A WKN AR T C WKN 01 02 03 04 05 01 Temperature indicator Filter reset indicator Auto clean indicator 02 Timer indicator good sleep indicator 03 Eco indicator 04 Wi Fi indicator 05 Motion detect sensor ...

Page 71: ...tal air swing indicator 10 Settings indicator 11 Power button 12 Temperature button 13 Options button 14 Timer button 15 Direction button Selection button 16 Vertical air swing button 17 Mode button 18 Fan speed button 19 Horizontal air swing button 20 Fast Wind Free button 21 SET button Temperature type button C F 01 05 06 07 08 09 16 17 20 13 21 02 03 04 10 11 14 19 18 15 12 n DB96 24901C 8 2 Wi...

Page 72: ...sted automatically with reference to a temperature of the air blew 3 Fan speed setting is not allowed in DRY mode The speed of the indoor fan is set to LL in DRY mode Fan speed is selected automatically in AUTO mode 4 Compressor stops operation intermittently in Dry mode Compressor operation is controlled automatically in DRY mode depending on the room temperature and humidity 5 Timer LED ORANGE o...

Page 73: ...door unit and outdoor unit connected correctly 2 Isn t the power cable and communication cable cross 2 Troubleshooting procedure Restartafterpoweroff Isthecommunicationerroroccurredagain NO YES ExchangetheindoorunitPBA Is theconnectionofpowercableand communicationcablenormal Isthepowerisnormal checktheLEDLamp Isthecommunicationerroroccurredagain NO YES NO YES YES NO YES Terminatetheservice Correct...

Page 74: ...ccordance with temperature 2 Troubleshooting procedure DetachtheassembledsensorfromthePBAsensor connectorandmeasurethesensorresistancewith ohmmeter tester YES ExchangetheindoorPBA YES ExchangetheindoorPBA NO NO Isthesensorresistancevalue 10kohm 3 attheroomtemperature of25 C YES Ass ySensorReplace Sensorresistancevalue 20 C 12 09kohm 30 C 8 31kohm 35 C 6 94kohm 40 C 5 83kohm ConnectthesensortoPBAco...

Page 75: ...PoweroffandSeparatetheFanmotorwire fromCN72onIndoorPBA ExchangetheFan motor YES YES NO YES YES Doesthefanrotate Isthefanerrorappearedagain Isthereshortamong eachpin 1 6 IsthevoltageofCN72 1 3over250Vdc IsthevoltageofCN72 3 5and 3 6within1Vdc 15Vdcduring theoperation Restartafterpoweroff Reassemblethefanwireandinputthepoweragain PBAproblemorMotorproblem ChangethePBAfirstandchecktheoperation Exchang...

Page 76: ... the resistance value of sensor connection pull up correct 2 Troubleshooting procedure Isthe sensorresistance value B 10kohm 3 attheroomtemperature of 25 Isthe sensor connector A connected correctly in accordance with a color YES YES Connectthe sensortoPBA connector supply power and measure the voltage of B in the connector NO NO Reconnect the sensor connector Sensor Replace Sensor resistance valu...

Page 77: ...ture 4 Is the resistance value of sensor connection pull up correct 2 Troubleshooting procedure Isthe sensor connector A connected correctly in accordance with a color NO YES Reconnect the sensor connector Isthe sensorresistance value B 10kohm 3 attheroomtemperature of 25 NO YES Sensor Replace Sensor resistance value 20 12 09kohm 30 8 31kohm 35 6 94kohm 40 5 83kohm Connectthe sensortoPBA connector...

Page 78: ...h temperature 4 Is the resistance value of sensor connection pull up correct 2 Troubleshooting procedure Isthe sensor connector A connected correctly in accordance with a color NO YES Reconnect the sensor connector Isthe sensorresistance value B 200kohm 3 attheroomtemperature of 25 NO YES Sensor Replace Sensor resistance value 20 242kohm 30 166ohm 35 138ohm 40 115kohm Connectthe sensortoPBA connec...

Page 79: ... Operation condition secession LAMP ON LAMP OFF LAMP BLINK 1 Checklist 1 Check the temperature around the outdoor unit 2 Troubleshooting procedure Restartafterpoweroff Istheoperationconditionsecession errorappearedagain Heatingmode Istheoutdoortemperatureover40 or under 30 Coolingmode Istheoutdoortemperatureunder 7 NO Terminatetheservice YES YES Thetemperatureconditionistoopoortooperate Waituntilt...

Page 80: ...rror no data OTP error EEPROM Data Error Main Micom Inv Micom LAMP ON LAMP OFF LAMP BLINK 1 Checklist 1 Is there a short around micom 2 Is there a short around A 3 Did you download or insert EEPROM IC after changing outdoor PBA 2 Troubleshooting procedure poweroffanddownloadEEPROMdata or InserttheserviceEEPROMIC Restartafterpoweroff Istheerrorappearedagain NO YES Terminatetheservice Exchangethe Ou...

Page 81: ...unding of motor and propeller 2 Troubleshooting procedure NO YES Power and Separatethe Fan motor wire from A on Outdoor PBA Exchange the Fan motor YES YES NO YES YES Does the fan rotate Is the fan error appeared again Is there short among each pin 1 6 Isthevoltageof A 1 3 over250Vdc Is the voltageof A 3 5 and 3 6 with in 1Vdc 15Vdc during the operation Restart after power Reassemble the fan wire a...

Page 82: ...ed clockwise U RED V BLU W YEL 3 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restart after power Is the restart error occurred again Is the connection of compressor wire is normal NO YES NO YES Terminate the service Connectthecomp wire normally Download the EEPROM data Is the restart error occurred again Is the compressor body and interphase resistance insulated N...

Page 83: ... for the compressor 2 Is the compressor wire is connected clockwise U RED V BLU W YEL 3 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restartafterpoweroff Istherestarterroroccurredagain NO YES Isthe connectionof compressorwireisnormal PBAandCompressor NO YES Istherestarterroroccurredagain NO YES Isthecompressorbodyand interphaseresistanceinsulated NO YES Terminateth...

Page 84: ...INK 1 Checklist 1 Is the PFC Shunt A resistance value correct Check the resistor is opened 2 Is the IPM Shunt B resistance value correct Check the resistor is opened 3 Is there no short or open around C 2 Troubleshooting procedure Restart after power Is the PFC shunt and IPM shunt resistance value correct NO YES Exchange the Outdoor PBA Is the current sensor error appeared again NO YES Terminate t...

Page 85: ...alue error 4 Is the interphase resistance of compressor normal 2 Troubleshooting procedure Restartafterpoweroff IstheO Cerroroccurred Isthe connectionofcompressorwireisnormal IstheO Cerroroccurredagain NO YES NO YES NO YES Terminatetheservice Connectthecompwirenormally Terminatetheservice Istheconditionofindoor outdoortemperature normalload NO Restartafterreturningtothenormalload IstheO Cerror occ...

Page 86: ...age of SMPS AC in Main PBA CN150 normal 6 Is the voltage of SMPS DC in Main PBA CN151 CN152 normal 2 Troubleshooting procedure Unplugthepowercord Restartafterpoweroff Isthepowercablefrom terminalblock toPBAiscorrect L CN002 N CN001 EARTH CN003 Checkthe fuseopenornot F001 YES YES Reconnectthepowerwirecorrectly NO ExchangetheMainPBA NO Isthepowernormal IsACpowerisnormalforSMPS CN150 220Vac 240Vac NO...

Page 87: ... with the connector CN61 CN62 CN63 2 Troubleshooting procedure Isthelampblinking Unplugthepowercordandplugitafter 30secondslater NO Checktheasintheprocedure Nopower YES Istheconnectedlouverwire NO YES ConnectthewirePBAtolouvermotor Isthevoltagechangeableatthepin 2 5ofCN61 CN62 CN63 louverconnector Doesoperationstartwhenswingbuttonofthe remotecontrolunitpushed YES NO NO YES Normal ExchangethePBA Up...

Page 88: ...gain Change electronic typed to a fluorescent light 4 Put the set in operation and check the voltage of display PBA 5 Replace the display PBA 2 Troubleshooting procedure Havethebatteryinremotecontrol YES YES If the connector was normally assemble Check the connector to normally assemble NO NO Insert the battery in remote control All the lights out NO YES Re checktheconnector NO Exchange thedisplay...

Page 89: ...stall mode 1 Press the SET Mode Power button simultaneously for 4 seconds Smart Install mode can be operated only with the supplied remote controller During the Smart install mode procedure remote controller cannot be operated 3 Troubleshooting procedure NO YES Did stop valve of the low pressure valve open perfectly Open perfectly stop valve Use the 4mm hex wrench Re connect after 3 seconds after ...

Page 90: ...O NO YES NO YES YES NO Restart after power off after10min 1Hr Is the OLP over temperature sensor error appeared again Check the OLP Sensor postion on the Compressor Top Is the OLP over temperature sensor error appeared again Check the service valve is closed Check the compressor locking or gas leak Is the OLP over temperature sensor error appeared again The condition is too poorforairconditionerto...

Page 91: ...ION EEPROM 485 COMM 2 WAY COMMUNICATION MAIN DC POER 15V 12V 5V STEP MOTOR H V WIRED REMOCON OUT MODULE BUZZER DC LOAD CONTROL SMPS ROOM SENSOR HUMIDITY SENSOR EVA SENSOR DETECT SENSOR SENSOR BLDC MOTOR EMI FILTER CAP ZERO MICOM TMPM3HPFDFG MAIN PBA INDOOR WIRED REMOCON OUT MODULE WiFi MODULE OPTION DISPLAY REMOCON RECEIVER DETECT ...

Page 92: ...MAIN MICOM LED SENSOR EEV1 4WAY V V DRED HEATER INDOOR 485 COMM POWER EEPROM INVERTER BLOCK UART COMM SMPS LED INVERTER MICOM CURRENT SENSING OPTION HIGH PRESSURE SWITCH FILTER CURRENT SENSING CAPACITOR PFCM DOWNLOAD FAN COMPRESSOR RAC ONLY SPEED OTN IPM ...

Page 93: ...ontrol circuit 4way circuit communication circuit OPTION EEV control circuit temperature sensing circuit 10 2 3 Indoor detailed inspection procedure No Procedure Inspection Method Cause 1 Plug out and pull the PCB out of the control box Check the PCB fuse 1 Is 1st fuse disconnected 2 Is 2nd fuse disconnected Over current Indoor Fan motor short AC part and pattern short of Indoor PBA 2 Supply power...

Page 94: ...ble Wiring 2 Is the C006 voltage 200Vac 240Vac Fuse open L N F1 F2 wire wrong wiring Terminal Block PBA 3 Is the CN150 voltage 200Vac 240Vac Power circuit is faulty Load short 4 Is the PFC050 26 27 voltage 200Vac 240Vac after 3 minutes later Fuse open L N F1 F2 wire wrong wiring Terminal Block PBA PTC020 open RY021 RY022 is faulty Outdoor Micom IC201 error 5 Is the CE101 voltage 280Vdc 320dc after...

Page 95: ...Temperature Outdoor Temperature Ps kg cm 2 g 32 29 27 24 21 11 10 9 8 7 10 20 30 40 11 2 Pressure Capacity mark Power Heat W cal s kcal h Btu h HP kg m s Ib m s 1 0 23885 0 85985 3 4121 0 001341 0 10197 0 73756 4 1868 1 3 6 14 286 0 0056146 0 42693 3 088 1 163 0 27778 1 3 9683 0 0015596 0 11859 0 85778 0 29307 0 06999 0 252 1 3 9302x10 4 0 029885 0 21616 745 7 178 11 641 19 2 544 4 1 76 04 550 9 8...

Page 96: ...ired temperature lower Leakage Q It floods the floor A Place the drain hose properly When it is not placed properly the drain water would flow back flooding the floor So straighten out the drain hose for the water to be drained well Q Water drips at the drain connection service valve of the outdoor unit A When a glass bottle is taken out of the refrigerator moisture gets condensed on its surface d...

Page 97: ...lls A It occurs generally when there are pet animals in the house Their smells stay at the same place But when the air conditioner is turned on the air gets circulated resulting in the circulation of the smells So find and root out the problem or refresh the room frequently Q It sends out bad smells A When the air filter is filthy it could send out bad smells So clean the filter and ventilate the ...

Page 98: ...n angle iron case with the outdoor unit in it outside the apartment Also it is illegal obstructing passers by with the outdoor unit installed outside Q What can be done to install the outdoor unit facing the road because it is a commercial building A The following is an excerpt from building code going into effect from JUNE 1 st 2005 The exhaust pipe of a cooling or ventilation facility installed ...

Page 99: ...r unit display shows the cleaning progress from 1 to 99 If you start another function while Auto clean is progressing Auto clean pauses and will resume when the other function stops When Auto clean completes the air conditioner turns off Deactivating Auto clean If Auto clean is activated it starts immediately when the air conditioner turns off To deactivate Auto clean before it starts press the bu...

Page 100: ...o clean the indoor unit display Do not use sulphuric acid hydrochloric acid or organic solvents such as paint thinner kerosene acetone benzene or alcohol to clean the unit surfaces Cleaning the heat exchanger on the outdoor unit 1 Turn off the air conditioner and wait until the fan stops 2 Disconnect the power supply 3 Spray water on the heat exchanger to remove dust and other debris CAUTION Do no...

Page 101: ...vacuum cleaner to remove any dust or debris on the 3 Soak the in a solution of water and mild detergent for 30 minutes 4 Rinse the and let it air dry in a well ventilated area that is out of direct sunlight 5 Reinstall the 6 Reset the reminder In operation Select Filter Reset Take care not to damage the during cleaning Do not scrub the air with a hard bristle brush or another cleaning utensil Do n...

Page 102: ...r NOTE To replace a Tri care filter purchase a new one at a service centre To use the Tri care filter for a long time in an environment where fish cooking and smoking cause odour ventilate the place by opening a window Replacing the Tri care filter Slide a new Tri care filter in the direction of arrow 2 Replace Tri care filters once every three years Replacement cycle may differ depending on the e...

Page 103: ...ind Free panel until it comes free from the air conditioner 3 Use a soft brush orvacuum cleanerto remove any dust 4 Hang the Wind Free panel in the grooves at the bottom left and right 5 Align the projections of the Wind Free panel with the grooves at the top middle and bottom of the front panel 6 After inserting the Wind Free panel press the top 4 places and the bottom 3 places by hand so that th...

Page 104: ...ce pipe expansion may continue until the pipe surface becomes uneven or torn apart Be sure to use a torque wrench to tighten pipes or flare nuts Leak Test Put an inset gas like nitrogen in the outdoor unit pipe and put soap bubbles or other test liquids on the pipe surface for the leak test Drain Hose Connecting Install the drain hose downward to drain water naturally Be sure to pour water into th...

Page 105: ...ve And mount the service port cap to 3 way valve 3 Open the valve of the low pressure side of manifold gauge counter clockwise 4 Purge the air from the system using vacuum pump for about 30 minutes After that please recheck that pressure is stabilized Close the valve of the low pressure side of manifold gauge clockwise Remove the hose of the low pressure side of manifold gauge 5 Set valve cork of ...

Page 106: ... to this procedure when the unit is relocated Carry out the pump down procedure refer to the details of pump down Remove the power cord Disconnect the assembly cable from the indoor and outdoor units Remove the flare nut connecting the indoor and the pipe At this time cover the pipe of the indoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering Disconnect the pi...

Page 107: ...irements must be fulﬁlled before and while taking the decommissioning procedure Before decommissioning the worker shall be familiarwith the product details The entire refrigerant shall be recovered safely Before starting the process oil and refrigerant samples shall be taken just in case analysis is required for reuse Before starting the process power supply must be available 1 Be familiarwith the...

Page 108: ...on PM1 0 Fliter PM1 0 Sensor WIFI SA Motion PM1 0 Fliter WIFI B Motion Eco Fliter WIFI C Motion WIFI D WIFI Eco Filter E WIFI F Eco Filter G OPTION X H 9th Export 1st Model A Export 2nd Model B Export 18 th Model R ITEM 8th Wind Free GEO A Wind Free AIRISE C Wind GEO Y Wind AIRISE Z Division Series Project Color name Division component Sinkeolreo code 10TH 11TH Remark QMD A Wind Free GEO DA White ...

Page 109: ...ngcsportal com Europe http gspn1 samsungcsportal com China http china samsungportal com Asia http gspn2 samsungcsportal com Middleeast Africa http gspn1 samsungcsportal com This Service Manual is a propert of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd November 2018 ...

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