Samsung AQV09UWLNXSA Service Manual
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Samsung AQV09UWLNXSA Service Manual

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AQV09/12UWLNXSA
AQV18UWLNXSA
AQV09/12UW LXXSA
AQV18UWLXXSA
AQV09UWLNXSA
AQV12UWLNXSA
AQV18UWLNXSA
THE FEATURE OF PRODUCT

Air Conditioner

Mode
Mode can help you sleep quickly and
soundly and wake up refreshed.

Quiet Mode

W
h
n e
o y
u
u
e s
h t
" e
Quiet
M
o
d
, " e
experience extremely quiet operation of your
air conditioner.
AQV09UWLXXSA
AQV12UWLXXSA
AQV18UWLXXSA
V18UWAXXSA
o y
u
can

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Summary of Contents for Samsung AQV09UWLNXSA

  • Page 1: Air Conditioner

    AQV09UWLXXSA AQV09UWLNXSA AQV12UWLXXSA AQV12UWLNXSA AQV18UWLXXSA AQV18UWLNXSA V18UWAXXSA THE FEATURE OF PRODUCT Air Conditioner Mode AQV09/12UWLNXSA Mode can help you sleep quickly and soundly and wake up refreshed. Quiet Mode " e Quiet , " e experience extremely quiet operation of your AQV18UWLNXSA air conditioner.

  • Page 2: Table Of Contents

    5-3 Ass’y Control In ..........................5-4 Ass’y Control Out 5-11 ..........................16. Electrical Parts List ........................17. Wiring Diagram ..........................7-1 Indoor Unit ............................7-2 Outdoor Unit ............................ 18. Schematic Diagram ........................8-1 Indoor Unit ............................8-2 Outdoor Unit ............................ Samsung Electronics...

  • Page 3: Table Of Contents

    ......................... 14-6 Installation 14-9 ............................14-7 Installation Diagram of Indoor Unit and Outdoor Unit 14-10 ............15-1 .WORKING RANGE ......................... 15-1 Power Supply 15-1 ..........................15-2 Working Range 15-1 .......................... 15-2-1 MULTIZONE/MONOZONE/SUMMIT 15-1 ................15-2-2 BIGFLOW 15-2 ..........................Samsung Electronics...
  • Page 6 good' sleep Mode good’sleep mode can help you sleep quickly and soundly and wake up refreshed. FULL HD FILTER Silver Nano Evaporator...

  • Page 7: Indoor Unit

    Model AQV09UWL(N/X) AQV12UWL(N/X) AQV18UWL(N/X) Buyer Name In/Out door Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit Indoor Unit Outdoor Unit Type Wall-Mounted Wall-Mounted Wall-Mounted 0.99 / 2.50 / 3.20 0.99 /3.50 / 4.00 1.60 / 5.00 / 6.00 Cooling kW Low / Std / Max Capacity 0.99 / 3.20 / 5.20 0.99 / 4.00 / 6.00...

  • Page 8: Outdoor Unit

    (W×H×D) Outdoor Unit 790 × 548 × 285 880 × 638 × 310 Noise Indoor Unit Outdoor Unit Air Purifying System Filter FULL HD FILTER FULL HD FILTER Indoor Display Three Color LED Display Three Color LED Display Samsung Electronics...
  • Page 9 DB90-04558A (AQV09/12UWLXSA) DB90-06524A (AQV18UWLXSA) DB93-11489G DB98-33747A Holder remocon DB61-04969B...

  • Page 14: Setting Option Setup Method

    3-3 Setting Option Setup Method min. Filter Reset Display Auto Clean Time Set Samsung Electronics...
  • Page 15 3-3 Setting Option Setup Method(continue) min. Filter Reset Display Auto Clean Time Set Samsung Electronics...

  • Page 16: Eeprom Service Process

    Ex.) If you order PBA (P/N : DB93-10938A) for AQ12PWAX, you must order EEPROM chip (P/N : DB98-00798A) RM server access In case, you can not access samsung official site or When you order the PBA part in unofficial site, You can order part through RM server...
  • Page 17 EEPROM Downloading Method 1) Power off 2) Take off the Cabinet : Check the LED off 3) Connect PC-Download Jig-PBA F1,F2 (2pin) 232 to 485 Converter F1,F2 (2pin)
  • Page 18 5) Execute the InverterDownload program AQV09UWLXSA DB82-00968A AQV12UWLXSA DB82-00969A AQV18UWLXSA DB82-00813A 6) Select COM Port and connect 7) Open the file 8) Click the Start button and reset the power...

  • Page 20: Power Supply

    FRONT.(use + Screw Driver) 4) Loosen connector wire(white) and detach the temperature sensor wire. 5) To detach the FRONT-PANEL the main frame, unfasten 2 screw at the bottom.(use + Screw Driver) 6) Take o the FRONT-PANEL,lifting up the bottom. Samsung Electronics...

  • Page 21: Operating Instructions

    2) To detach TRAY-DRAIN from the main frame, pull the bottom of the TRAY-DRAIN towards you. CONTROL IN 1) Detach COVER-CONTROL from the CASECONTROL. 2) Detach the temperature sensor. 3) Loosen MOTOR Wire. 4) Take o the CONTROL IN from the main frame. Samsung Electronics...
  • Page 22 1) Unfasten the screw and detach the Cover-Control. 2) Loosen the Main Power connector Caution: When you separate the connector, pull pressing the locking button. 3) Loosen the Stepping Motor connector Caution: When you separate the connector, pull pressing the locking button. Samsung Electronics...
  • Page 23 When you separate the connector, pull pressing the locking button. 6) Loosen Themistor-wire connector. Caution: When you separate the connector, pull pressing the locking button. 7) Loosen the Communication-wire connector Caution: When you separate the connector, pull pressing the locking button. Samsung Electronics...
  • Page 24 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 EVAPORATOR from the main frame. Samsung Electronics...
  • Page 25 2) unfasten screws in the CASE- CONTROL, and then detach the CASE. (use + Screw Driver) 3) unfasten the screw a little.(use + Screw Driver) 4) Lift up the evaporator slightly and pull the CROSS-FAN to the left side. Samsung Electronics...
  • Page 26 4-2 Outdoor Unit AQV09/12UWL...
  • Page 28 4-10...
  • Page 29 & Samsung Electronics...
  • Page 30  Heat Exchanger shape can be different depend on model. Ass'y Valve 4-Way (AQV**Series) & Ass'y Valve EEV or Capillary 4-11...
  • Page 31 AQV18UWL 4-12 Samsung Electronics...
  • Page 32 Samsung Electronics 4-13...
  • Page 33 & Samsung Electronics...
  • Page 34 Samsung Electronics 4-15...
  • Page 35 4-16 Samsung Electronics...

  • Page 36: Exploded Views And Parts List

    Operating Instructions and Installation 5. Exploded Views and Parts List 5-1 Indoor Unit AQV09/12UWLNXSA min. Filter Reset Display Auto Clean Time Set Samsung Electronics...
  • Page 37 EPS (30) DB63-02222A TRAY STABILIZER HIPS DB94-02195A ASSY DRAIN HOSE ASSY DB96-16496A ASSY EVAP UNIT ASSY DB61-03679A HOLDER EVAP HIPS DB94-01874B ASSY CROSS FAN ASSY DB94-01908A ASSY RUBBER BEARING ASSY DB31-00556A MOTOR FAN SIC-37CVL-F117-2 DB93-11489G ASSY REMOCON ASSY Samsung Electronics...
  • Page 38 AQV18UWLNXSA Filter min. Reset Display Auto Clean Time Set...
  • Page 39 DB62-03672A INSULATION-TRAY RH EPS (30) DB63-01329A TRAY STABILIZER HIPS DB94-02195A ASSY DRAIN HOSE ASSY DB96-13561D ASSY EVAP UNIT ASSY DB63-01331A COVER BEARING DB94-01556B ASSY CROSS FAN ASSY DB94-01908A ASSY RUBBER BEARING ASSY DB31-00589A MOTOR FAN SIC-37CVJ-F127-3 DB93-11489G ASSY REMOCON ASSY Samsung Electronics...
  • Page 40 AQV09/12UWLXXSA (See. AQV12UWA SM) 29-1 30-2 30-1...
  • Page 41 Q'TY PARTS CODE PARTS DESCRIPTION SPEC SERVICE AQV09/12UWLXXSA DB90-05530A ASSY CABI FRONT ASSY DB91-01041A ASSY GUARD FAN ASSY DB90-05522B ASSY BASE OUT ASSY DB90-05524D BRACKET-VALVE SECC-P, T1.6 DB31-00557A MOTOR FAN FMA6531SSD DB67-00397A FAN-PROPELLER DB60-00150A SCREW-SPECIAL M4, L26 DB60-30020A NUT-HEXAGON FLANGE M6, MSWR3 DB90-04199A ASSY BRACKET MOTOR...
  • Page 42 AQV18UWLXXSA 19-1 19-2 19-3 20-1 20-2...
  • Page 43 VALVE SERVICE ASSY B96-15867A ASSY ALVE EEV 20-1 DB62-05932B VALVE-EXPANSION COIL SPCC 20-2 DB62-04065A VALVE-EXPANSION BODY ASSY DB63-02471A GUARD COND HSWR(Q195) DB93-11329D ASSY CONTROL OUT ASSY DB95-04398A ASSY THEMISTOR ASSY DB63-02951A FELT-COMP SIDE FELT+PVC DB63-02957A FELT-COMP UPPER FELT+PVC Samsung Electronics...
  • Page 44 AQV09UWLNXSA DB93-11204E AQV12UWLNXSA DB93-11204E...
  • Page 45 AQV18UWLNXSA DB93-11204D 5-10...

  • Page 46: Ass'y Control Out

    5-4 Ass'y Control Out DB93-11329C AQV09UWLXXSA DB93-11329C AQV09UWLXXSA DB93-11329D AQV09UWLXXSA AQV09/12UWL AQV18UWL 5-11 Samsung Electronics...

  • Page 47: Electrical Parts List

    WIRE-NO SHEATH CU FE+CU+SN,300V,52mm(TAPING),1/0.6mm 3812-001283 J49 WIRE-NO SHEATH CU FE+CU+SN,300V,52mm(TAPING),1/0.6mm 3812-001283 J5 WIRE-NO SHEATH CU FE+CU+SN,300V,52mm(TAPING),1/0.6mm 3812-001283 J50 WIRE-NO SHEATH CU FE+CU+SN,300V,52mm(TAPING),1/0.6mm 3812-001283 J51 WIRE-NO SHEATH CU FE+CU+SN,300V,52mm(TAPING),1/0.6mm 3812-001283 J52 WIRE-NO SHEATH CU FE+CU+SN,300V,52mm(TAPING),1/0.6mm 3812-001283 J53 WIRE-NO SHEATH CU FE+CU+SN,300V,52mm(TAPING),1/0.6mm Samsung Electronics...
  • Page 48 R-CHIP 330ohm,5%,1/10W,TP,1608 2007-000076 R404 R-CHIP 330ohm,5%,1/10W,TP,1608 2007-000076 R601 R-CHIP 330ohm,5%,1/10W,TP,1608 2007-000076 R602 R-CHIP 330ohm,5%,1/10W,TP,1608 2007-000077 R116 R-CHIP 470ohm,5%,1/10W,TP,1608 2007-000078 R206 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R706 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R805 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R812 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R813 R-CHIP 1Kohm,5%,1/10W,TP,1608 Samsung Electronics...
  • Page 49 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C201 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C401 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C402 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C508 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C511 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C514 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C702 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C704 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C707 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 Samsung Electronics...
  • Page 50 2007-001096 R714 R-CHIP 62Kohm,1%,1/10W,TP,1608 2007-001206 R711 R-CHIP 82Kohm,1%,1/10W,TP,1608 2203-000440 C709 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-000440 C711 C-CER,CHIP 1nF,10%,50V,X7R,TP,1608 2203-005249 C710 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C712 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 DB41-01021A PCB PCB SUB-HVPS FR-1,T1.6 DB93-11484A - ASSY PCB MANUAL BORACAY-PJT,SSEC 3711-005658 CN72 CONNECTOR-HEADER NOWALL,4P,1R,2mm,ANGLE,SN,WHT Samsung Electronics...
  • Page 51 OUTDOOR MAIN PCB( DB93-10952 A ) Parts Code Design Loca on Parts Descrip on Spec. Quan ty KSB1151-Y,PNP,1300mW,TO- 0502-000245 IC156 TR-POWER 126,160-320 KIA7815API,TO- 1203-002735 IC153 IC-POSI.FIXED REG. 220IS,3P,10.3x15.3mm,PLASTIC,1 4.4/15.6V,2W,-30to+150,1A,ST TOP253PN,DIP,7P,6.35x9.57mm, 1203-006089 IC151 IC-PWM CONTROLLER PLASTIC,-0.3V/700V,15W,- 22ohm,1.4A,3100K,9.5mW/C,- 1404-001274 NTC151 THERMISTOR-NTC ,7.0,- 1404-001498 PTC020 THERMISTOR-PTC...

  • Page 52: Samsung Electronics

    DIODE-SWITCHING DAN202K,80V,100mA,SOT-23,TP KST2907A,PNP,350mW,SOT- 0501-000463 Q651 TR-SMALL SIGNAL 23,TP,100-300 KST2907A,PNP,350mW,SOT- 0501-000463 Q652 TR-SMALL SIGNAL 23,TP,100-300 FJV3102R,NPN,200mW,10K/10Ko 0504-000127 Q902 TR-DIGITAL hm,SOT-23,TP 0506-000175 IC701 TR-ARRAY 2003,NPN,7,1W,SOP-16,ST,1000 0506-000175 IC801 TR-ARRAY 2003,NPN,7,1W,SOP-16,ST,1000 SMD,RED,1.6 X 3.2mm,639nm,1.6 0601-002423 LED801 X 3.2mm SMD(REVERSE),YEL,1.6x1.5mm,58 0601-002955 LED803 8nm,3.2x1.6x1.1mm Samsung Electronics...
  • Page 53 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R354 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R501 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R505 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R510 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R511 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R512 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000078 R515 R-CHIP 1Kohm,5%,1/10W,TP,1608 2007-000080 R409 R-CHIP 2Kohm,5%,1/10W,TP,1608 2007-000080 R504 R-CHIP 2Kohm,5%,1/10W,TP,1608 Samsung Electronics...
  • Page 54 R-CHIP 1Kohm,5%,1/8W,TP,2012 2007-000481 R163 R-CHIP 1Mohm,5%,1/4W,TP,3216 2007-000481 R164 R-CHIP 1Mohm,5%,1/4W,TP,3216 2007-000481 R165 R-CHIP 1Mohm,5%,1/4W,TP,3216 2007-000614 R252 R-CHIP 24Kohm,1%,1/10W,TP,1608 2007-000614 R258 R-CHIP 24Kohm,1%,1/10W,TP,1608 2007-000614 R470 R-CHIP 24Kohm,1%,1/10W,TP,1608 2007-000614 R471 R-CHIP 24Kohm,1%,1/10W,TP,1608 2007-000614 R474 R-CHIP 24Kohm,1%,1/10W,TP,1608 2007-000614 R475 R-CHIP 24Kohm,1%,1/10W,TP,1608 Samsung Electronics...
  • Page 55 R-CHIP 0.01ohm,1%,2W,TP,6432 2007-010245 R452 R-CHIP 0.01ohm,1%,2W,TP,6432 2007-010245 R453 R-CHIP 0.01ohm,1%,2W,TP,6432 2203-000236 C054 C-CER,CHIP 0.1nF,5%,50V,C0G,TP,1608 2203-000257 C053 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C057 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C301 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C351 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C352 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 2203-000257 C517 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 Samsung Electronics...
  • Page 56 100nF,10%,50V,X7R,TP,1608 2203-005249 C202 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C203 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C204 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C205 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C206 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C207 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C208 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C210 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 2203-005249 C211 C-CER,CHIP 100nF,10%,50V,X7R,TP,1608 6-10 Samsung Electronics...
  • Page 57 PCB MAIN-OUT 4,2,T1.6,142*195mm,1,OUT, SI- INVERTER,600V OVER JUNGFRAU OUTDOOR INV DB91-01173A IC501 ASSY-MIC MICOM,STM-1040-OA, LM3S817, LM3S817,48,DC3V,50 DB09-00591A IC501-1 IC MICOM MHz,LQFP,LQFP,LQFP,-40 ~ Maldive Outdoor,STM-1042-OS, DB91-01178A IC201 ASSY-MIC S3F4A1H, 100TQFP, RAM 512KB S3F4A1H,100P,DC5V,12 DB09-00535A IC201-1 IC MICOM MHz,TQFP,16 Bit,16 Samsung Electronics 6-11...
  • Page 60 SMPS MODULE ZERO CROSS COMMUNICATION...

  • Page 62: Refrigerating Cycle Diagram

    9. Refrigerating Cycle Diagram...
  • Page 63 1 0 . 1 10-1...

  • Page 65: Main Parts

    Main parts Air intake (up and down) Blade pin lever (left and right) Display AQV**UWL Timer/Auto Clean indic ator SPi indicator...
  • Page 66 AQV09/12UWLXXSA AQV18UWLXXSA...

  • Page 67: During Operation

    Power Mode Set one of the 5 operating modes (see pages 10~11 for instructions). SPi : Set the SPi function on/off Quiet Smart Saver Reduce noise generated from an indoor unit Less energy usage makes your space during operation. cool between the temperature range Air swing of 24°C~30°C.

  • Page 69: Troubleshooting

    Is the power is normal? Exchange the PBA of no power unit (check the LED Lamp) Exchange the indoor unit PBA. Is the communication error Terminate the service. occurred again? Exchange the outdoor unit PBA. 12-2 Samsung Electronics...
  • Page 70 Indoor display Indoor room temp sensor error ○ ⊙ ○ 1.Checklist : 1) Is the indoor units temperature sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? Detach the assembled sensor from the PBA sensor connector and measure the sensor resistance with ohmmeter(tester)
  • Page 71 Indoor Eva-in temp sensor Indoor display error ⊙ ⊙ ○ 1.Checklist : 1) Is the indoor units temperature sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? Detach the assembled sensor from the PBA sensor connector and measure the sensor resistance with ohmmeter(tester)
  • Page 72 When the Up/Down louver motor does not operate (Initial Diagnosis) (Not displayed) 1.Checklist : 1) Is the input power voltage normal? 2) Is the Up/Down louver motor properly connected with the connector? (CN61) Unplug the power cord and plug it after 30seconds later.
  • Page 73 12-2-5 When the remote control is not receiving 1.Checklist : 1) Check if the connector was normally assembled. 2) Check the battery in remote control 3) All the lights out and check again : Change electronic typed to a luorescent light 4) Put the set in operation and check the voltage of display PBA 5) Replace the display PBA 12-6...

  • Page 74: Indoor Fan Error

    12-2-6 Indoor fan motor speed detecting error (BLDC fan) Indoor display Indoor fan error ○ ○ ⊙ 1.Checklist : 1) Is the indoor units fan motor properly connected with the connector(CN72)? 2) Is the AC voltage correct? Restart a er power off. Power off...

  • Page 75: Outdoor Temperature Sensor Error

    12-2-7 Outdoor temperature sensor error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor temperature sensor Outdoor display error ⊙ ○ ⊙ 1.Checklist : 1) Is the sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull-up correct? 2-1.
  • Page 76 2-2. Troubleshooting procedure (A*V24***) Is the sensor connector(CN502) Reconnect the sensor connector. connected correctly in accordance with a color(RED,4pin)? Sensor Replace Is the sensor resistance value #1- Sensorresistance value : 20℃ - 12.09kohm 30℃ - 8.31kohm 10kohm±3% at the room 35℃...
  • Page 77 12-2-8 Outdoor Coil temperature sensor error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Outdoor Coil temperature sensor error ⊙ ● ⊙ 1.Checklist : 1) Is the sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull-up correct? 2-1.
  • Page 78 2-2. Troubleshooting procedure (A*V24***) Reconnect the sensor connector. Is the sensor connector(CN501) connected correctly in accordance with a color(WHT,4pin)? Sensor Replace Is the sensor resistance value #3- Sensorresistance value : 20℃ - 12.09kohm 30℃ - 8.31kohm (CN501) 10kohm±3% at the room 35℃...
  • Page 79 12-2-9 Outdoor Discharge temperature sensor error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Outdoor Discharge temperature sensor error ⊙ ⊙ ○ 1.Checklist : 1) Is the sensor connected correctly? 2) Is the sensor placed correctly? 3) Does the both terminal of sensor satisfy the resistance value in accordance with temperature? 4) Is the resistance value of sensor connection pull-up correct? 2-1.
  • Page 80 2-2. Troubleshooting procedure (A*V24***) Is the sensor connector(CN502) Reconnect the sensor connector. connected correctly in accordance with a color(red,4pin)? Sensor Replace Is the sensor resistance value #3- Sensorresistance value : 20℃ - 242kohm #4 200kohm±3% at the room 30℃ - 166ohm temperature 35℃...
  • Page 81 12-2-10 Outdoor Discharge over temperature error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Outdoor Discharge over temperature error ○ ⊙ ● 1.Checklist : 1) Check the discharge temperature in the outdoor unit 2) Check the compressor locking or gas leak 3) Download the EEPROM data Restart a er power off.
  • Page 82 12-2-11 Outdoor Fan motor error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Outdoor fan error ○ ● ○ 1.Checklist : 1) Are the input power voltage and the power connection correct? 2) Is the motor wire connected to the outdoor PBA correctly? 3) Is there no assembly error or none-assembly in the terminal of motor wire connector? 4) Is there no obstacle at the surrounding of motor and propeller? Restart a er power off.

  • Page 83: Compressor Starting Error

    12-2-12 Compressor starting error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Comp starting error ○ ⊙ ○ 1.Checklist : 1) Is the connection of cable 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? Restart a er power off.
  • Page 84 12-2-13 Compressor wire missing error/rotation error Indoor display Outdoor error ⊙ ○ ⊙ Compressor wire missing error/rotation Outdoor display error ● ○ ● 1.Checklist : 1) Is the connection of cable 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? Restart a er power off.
  • Page 85 12-2-14 O.C(Over Current) error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Comp starting error ○ ○ ⊙ 1.Checklist : 1) Is the IPM Shunt(A*V18***:R451,R452,R453,A*V24***:R413,R414,R415) resistance value correct? Check the resistor is opened 2) Is the condition of surrounding temperature abnormal overload? 3) Is there any problem as like the temperature sensor separation or measurement value error? 4) Is the interphase resistance of compressor normal? Restart a er power off.
  • Page 86 12-2-5 DC_link voltage sensor error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display DC_link voltage sensor error ● ⊙ ⊙ 1.Checklist : 1) Is the input voltage of outdoor terminal block is normal? 2) Is the reactor wire connected? 3) Is the DC_link capacitor(A*V18***:CE101,CE102,CE103,A*V24***:CE001,CE002,CE003,CE004)) assembled in accordance the speci ication? (Outdoor PBA) 4) Is the DC_link resistor(A*V18***:R104,R106,R107,R108,A*V24***:R004,R005,R006,R007) value is normal? (Outdoor PBA) 2.Troubleshooting procedure...
  • Page 87 12-2-16 DC_link voltage under/over error, Over voltage protection error/PFC over load Indoor display Outdoor error ⊙ ○ ⊙ DC_link voltage under/over error Outdoor display Over voltage protection error PFC over load ○ ● ⊙ 1.Checklist : 1) Is the input voltage of outdoor terminal block is normal? 2) Is the input voltage is higher than 300Vac? 3) Is the reactor wire connected? 3) Is the DC_link capacitor(A*V18***:CE101,CE102,CE103,A*V24***:CE001,CE002,CE003,CE004)) assembled in accordance the speci ication? (Outdoor PBA)
  • Page 88 12-2-17 I_trip error, PFC over current Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display I_trip error, PFC over current ● ⊙ ● 1.Checklist : 1) Is the PFC Shunt(A*V18***:R062,R063,A*V24***:R807,R808,R809) resistance value correct? Check the resistor is opened 2) Is the condition of surrounding temperature abnormal overload? 3) Is there any problem as like the temperature sensor separation or measurement value error? 4) Is the interphase resistance of compressor normal? 2.
  • Page 89 12-2-18 Current sensor error/Input current sensor error Indoor display Outdoor error ⊙ ○ ⊙ Current sensor error/Input current sensor Outdoor display error ⊙ ⊙ ● 1.Checklist : 1) Is the PFC Shunt(A*V18***:R062,R063,A*V24***:R807,R808,R809) resistance value correct? Check the resistor is opened 2) Is the IPM Shunt(A*V18***:R451,R452,R453,A*V24***:R413,R414,R415) resistance value correct? Check the resistor is opened 3) Is there no short or open around IC451(A*V18***) or IC451,IC452(A*V24***)? Restart a er power off.
  • Page 90 12-2-20 Comp Vlimit error/Comp current limit error Indoor display Outdoor error ⊙ ○ ⊙ Comp Vlimit error/Comp current limit Outdoor display error 1.Checklist : ⊙ ● ○ 1) Is the IPM Shunt(A*V18***:R451,R452,R453,A*V24***:R413,R414,R415) resistance value correct? Check the resistor is opened 2) Is the condition of surrounding temperature abnormal overload? 3) Is there any problem as like the temperature sensor separation or measurement value error? 4) Is the interphase resistance of compressor normal?
  • Page 91 12-2-21 EEPROM error/OTP error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display EEPROM error OTP error ○ ● ○ 1.Checklist : ● ○ ⊙ 1) Is there a short around micom? 2) Is there a short around IC202(A*V18***) or IC701(A*V24***)? 3) Did you download or insert EEPROM IC, after changing outdoor PBA? 2.Troubleshooting procedure power off...
  • Page 92 12-2-23 Operation condition secession error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display AC zero cross signal error ● ⊙ ○ 1.Checklist : 1) Check the temperature around the outdoor unit. Restart a er power off Is the opera on condi on Terminate the service secession error appeared again? * Hea ng mode *...
  • Page 93 12-2-24 Capacity miss match error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Capacity miss match error ⊙ ○ ○ 1.Checklist : 1) Check the Btu between indoor and outdoor unit 2) Check the indoor unit option and outdoor unit EEPROM data Exchange the one of them according to the exact Is the rated Btu between indoor model spec...
  • Page 94 12-2-25 Gas leak error Indoor display Outdoor error ⊙ ○ ⊙ Outdoor display Gas leak error 1.Checklist : ● ● ○ 1) Is the position of indoor Eva_in sensor normal? 2) Check the pipe crack 3) Check the EEV valve connection in Outdoor unit 4) Check the refrigerant was charged 2.Troubleshoting procedure Is the posi on of indoor eva_in...
  • Page 95 12-2-26 No power indoor (Initial Diagnosis) (Not displayed) 1.Checklist : 1) Is input power normal? 2) Is AC power linked correctly? 3) Is input voltage of DC_link capacitor normal? 4) Is the voltage of DC regulator normal? Unplug the power cord Is the power cable from outdoor Reconnect the power cord correctly.

  • Page 96: Outdoor Pcb

    1. Check if you pulled out the AC power plug when you eliminate the PCB or front panel 2. Don't hold the PCB side not impose excessive force on it to eliminate the PCB 3. Don’t pull the lead wire but hold the whole housing to connect or disconnect a connector to the PCB 4.
  • Page 97 procedure Inspec on Method Cause Plug out and pull the PCB out of the control box . Over current 1) Is 1st fuse disconnected? Check the PCB fuse . AC part and pa ern short of Outdoor PBA (Wait 3 minutes a er power off) 1) Is the Compressor wire connected clockwise? 2) Is the Reactor wire connected normal?
  • Page 98 procedure Inspec on Method Cause Check the power voltage 1) Is the voltage between Terminal block L- . Power cord is faulty, Wrong Power cable N 200Vac~240Vac? Wiring . Fuse open 2) Is the C002 voltage 200Vac~240Vac? . L,N,F1,F2 wire wrong wiring (Terminal Block- PBA) .
  • Page 99 12-32...
  • Page 101 13-2 13-2 13-2...
  • Page 102 Ex.) Maldives (Grille – White) Heat Pump12k Btu/h Model Indoor Unit (6) Project (7) Grille Color (8) Version (1), (2) Product Division Mont Blanc (Premium) SSEC Black Cooling Only Cry stal - Temporary Silver Max(including Smart) Heat Pump White - Temporary Mont Blanc (Deluxe) La Fleur (9) Unit...

  • Page 103: Low Refrigerant Pressure Distribution

    Note : Please measure the refrigerant pressure after the air conditioner operates on testing cooling mode during more than 10 minutes. Indoor Temp. Variation : 20°C ~ 32°C Outdoor Temp. Variation : 16°C ~46°C Low Refrigerat Pressue Distribution AQV09UWLXSA AQV12UWLXSA AQV18UWLXSA Outdoor Temperature[ ] Samsung Electronics 14-2...

  • Page 108: Cleaning The Air Conditioner

    the air conditioner • the wall socket when cleaning the air conditioner. Cleaning the indoor unit Wipe the surface of the unit with a slightly wet or dry cloth when needed. • Contact the service center when you clean the indoor unit heat exchanger because it needs to be disassembled.
  • Page 109 the air and slide it down. Open the panel and put the A ter out. Clean the A ter with a vacuum cleaner or soft brush. If dust is too heavy, rinse it with running water. Insert the Ai lter back in its original position Dry the Ai lter in a ventilated area.
  • Page 113 Samsung Electronics Co., Ltd. June. 2011. Printed in Thailand.

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