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Troubleshooting

Samsung Electronics

4-7

Indoor unit display

 

X (Operation)      X (Defrost)     

 

 (Timer)    

 

(Fan)    

 

 (Filter)

 

Wire remote controller display

E198

Symptom

Error of Terminal Block's Terminal Fuse(Open)

Failure

Fuse open

4-2-4 Terminal Block's Terminal Fuse(Open)

No

No

Yes

Is the resistance 0Ω ?

Yes

Is the wire connector 

disconnected from the terminal block and 

PCB?(CN140)

Replace the PCB and restart the unit

Connect the connector to 

PCB and terminal block before 

restart the unit

Replace the Terminal Block and

restart the unit

Remove the wire connector from the PCB 
and measure the resistance between two 

terminals

All manuals and user guides at all-guides.com

Содержание AHU Series

Страница 1: ...Part List 6 Wiring Diagram 7 Reference Sheet INDOOR UNIT OUTDOOR UNIT Model AC018KNZDCH AA AC024KNZDCH AA AC030KNZDCH AA AC036KNZDCH AA AC042KNZDCH AA AC048KNZDCH AA AC054KNZDCH AA AC018JXADCH AA AC0...

Страница 2: ...play at error detecting 4 1 4 1 2 Wired Remocon Error Display 4 2 4 2 Troubleshooting by symptoms 4 4 4 2 1 Indoor temperature sensor open short 4 4 4 2 2 Eva in and out sensor open short 4 5 4 2 3 Fa...

Страница 3: ...ring Diagram 6 1 6 1 Indoor Unit 6 1 6 2 Outdoor Unit 6 3 7 Reference Sheet 7 1 7 1 Refrigerating Cycle Diagram 7 1 7 2 Index of Model Name 7 2 7 2 1 Indoor Unit 7 2 7 2 2 Outdoor Unit 7 3 All manuals...

Страница 4: ...ment of PCB Check the distance between the product and the other electronic appliances such as TV video and audio It should be over 2m If not it causes a bad picture quality or a noise Repairing the p...

Страница 5: ...re removing the connection pipe If the refrigerant pipe is not properly connected and the compressor works with the service valve open the pipe inhales the air and it makes the pressure inside of the...

Страница 6: ...om cool with highly energy saving and arises the efficiency of air conditioner Long Piping Length Height It can give the benefit to the installers and aries the reliability of the air conditioner Long...

Страница 7: ...552 622 x 1 492 x 552 Outdoor Unit mm 880 x 638 x 310 940 x 998 x 330 940 x 998 x 330 940 x 1 210 x 330 940 x 1 210 x 330 940 x 1 210 x 330 940 x 1420 x 330 Shipping Dimension WxHxD Indoor Unit mm 493...

Страница 8: ...QDWRUH G DULD SHU DPELHQWL DG XQLW 6HSDUDWH SDUHOKR GH DU FR QGLFLRQDGR WLSR 6 SOLW OLPDWLVHXU GH W S H V SDU HWHLOWH UDXPNOLPD DQODJH Installation manual 1 Essential Offer Indoor Unit Card Warranty 1...

Страница 9: ...Samsung Electronics 3 1 Item Remarks SCREW DRIVER Adjustable Wrench 8mm 10mm 13mm M6 M8 Hex Wrench Q Necessary Tools 3 Disassembly and Reassembly All manuals and user guides at all guides com...

Страница 10: ...the front screw CCW and detach the Cabinet Front Up 2 Disconnect the Connector Wire that is connected to the indoor unit s PBA 3 Unscrew the 1 fixed screws on middle of the PBA and 4 fixed PBA HOLDER...

Страница 11: ...nt screw CCW and detach the Cabinet Front Down 2 Loosen 2 of the Left side screw CCW 3 Loosen 5 of the front screw CCW and detach the 2 Bracket drain and 1 Bracket Low 4 Pull the Heat Exchanger and Dr...

Страница 12: ...etach the Cabinet Front Down 2 Loosen 2 of the Left side screw CCW 3 Loosen 5 of the front screw CCW and detach the 2 Bracket drain and 1 Bracket Low 4 Disconnect the Connector Wire that is connected...

Страница 13: ...5 FAN MOTOR 1 Loosen 11 of the front screw CCW and detach the Cabinet Front Down 2 Loosen 6 of the Front screw CCW and detach the Bracket 3 Disconnect the Connector Wire that is connected to the Motor...

Страница 14: ...DisassemblyandReassembly 3 6 Samsung Electronics No Parts Procedure Remark 6 Loosen 4 of the screw and 1 nut on the CASE and Detach the motor and fan All manuals and user guides at all guides com...

Страница 15: ...ork 1 loosen 1 pcs screw of cover control and detach it 2 loosen 5 pcs screws on both right and left cabniet side edges and to detach the cover top 3 Loosen 7 screwsfixed to disassemble cabi front and...

Страница 16: ...Parts Procedure Remark common work 4 loosen 7 screws to disassemble the cabi right and detach it 5 loosen 2 screws to disassemble steel bar 6 loosen 3 screws to disassemble cabi left All manuals and u...

Страница 17: ...ocedure Remark 2 fan motor 1 loosen 1 screw as indication and detached the fan 2 loosen 4 pcs motor screws and disconnect the wire betwwen assy control out and motor 3 loosen 2 pcs bracket motor screw...

Страница 18: ...cover control 2 detach several connections from assy con trol out take out assy control out 4 Heat exchanger 1 Release the refrigerant at first 2 Looosen fixing screw on both side 3 disaessembly the...

Страница 19: ...bly Samsung Electronics 3 11 No Parts Procedure Remark 5 compressor 1 disconnect the compressor lead wire 2 disassembly the felt comp sound loosen the 3 bolts at the bottom of All manuals and user gui...

Страница 20: ...1 Unscrew and remove two mounting screw in the Cabinet Front RH Use Screw Driver 2 Cabi Top 1 Unscrew and remove 9 screws on each side of the Cabinet Top Use Screw Driver 3 Cabi Install Front 1 Unscr...

Страница 21: ...the sensor from Guard Cond 2 Unscrew and remove 4 screws in the Guard Cond Use Screw Driver 5 Cabi Back RH 1 Pull the sensor from Cabi Back RH 2 Unscrew and remove 4 screws on each side of the Cabinet...

Страница 22: ...Parts Procedure Remark 6 Cabi Install Back 1 Unscrew and remove 1 screw in the Cabinet Install Back Use Screw Driver 7 Cabi Front LF 1 Unscrew and remove 10 screws in the Cabinet Front LF Use Screw D...

Страница 23: ...semblyandReassembly Samsung Electronics 3 15 No Parts Procedure Remark 8 Fan 1 Turn 2 mounting nuts as shown in the picture and remove it Use Adjustable Wrench All manuals and user guides at all guide...

Страница 24: ...1 Separate the Fan Propeller 2 Unscrew and remove the 8 Motor mounting screws Use Screw Driver 3 Disconnect the Motor wire From Ass y Control Out 10 Bracket Motor 1 Unscrew and remove 2 mounting scre...

Страница 25: ...cs 3 17 No Parts Procedure Remark 11 Control Out 1 Disconnect 4 Connecters From Ass y Control Out 2 Unscrew and remove 1 mounting screw in Control Out Use Screw Driver 3 Separate Ass y Control Out All...

Страница 26: ...s in muffler 3 Unscrew and remove 2 mounting screws in Service Valve Use Screw Driver 4 Separate the pipe from the Entrance Exit using a welder When removing the compressor Heat Exchanger and Pipe pur...

Страница 27: ...screw and remove 2 mounting screws in Service Valve Use Screw Driver 2 Separate the pipe from the Entrance Exit using a welder 14 Compressor 1 Unscrew and remove 1 mounting nut in Cover Terminal Use A...

Страница 28: ...3 As shown in the picture unscrew and remove 3 mounting screws from the bottom Use Adjustable Wrench 15 Cond Out 1 Unscrew and remove 3 screws on each side of the Assy Cond Out Use Screw Driver 2 Sepa...

Страница 29: ...Screw Driver 2 Cabi Top 1 Unscrew and remove 9 screws on each side of the Cabinet Top Use Screw Driver 3 Cabi Install Front 1 Unscrew and remove 1 screw in the Cabinet Install Front Use Screw Driver 4...

Страница 30: ...h side of the Cabinet Back RH Use Screw Driver 6 Cabi Install Back 1 Unscrew and remove 1 screw in the Cabinet Install Back Use Screw Driver 7 Cabi Front LF 1 Unscrew and remove 10 screws in the Cabin...

Страница 31: ...er 3 Disconnect the Motor wire From Ass y Control Out 10 Bracket Motor 1 Unscrew and remove 2 mounting screws in Bracket Motor Use Screw Driver 11 Control Out 1 Disconnect 4 Connecters From Ass y Cont...

Страница 32: ...Separate the pipe from the Entrance Exit using a welder When removing the compres sor Heat Exchanger and Pipe purge the Coolant inside the Compressor completely and remove the pipe with a welding flam...

Страница 33: ...s service valve 2 the refrigerant leakage X X Detection of the float switch X X X 1 Error of EEPROM 2 Error of Option setting 1 Error of Outdoor Temp sensor 2 Error of Cond Temp sensor 3 Error of disc...

Страница 34: ...mperature sensor error Outdoor sensor error Detection of Indoor Freezing when Comp Stops Outdoor unit protection control error Protection of Outdoor Overload when Comp Stops Outdoor unit protection co...

Страница 35: ...or Outdoor unit protection control error Compressor LOCK error Outdoor unit protection control error Outdoor fan 2 error Self diagnostic error IPM Overheat Error for Outdoor Unit Inverter Comp Outdoor...

Страница 36: ...erature table on the right Yes Is indoor temperature sensor disconnected from the connector in PCB Restart the system after replacing the PCB Restart the system after connecting to the PCB connector I...

Страница 37: ...Yes Is the indoor heat exchanger temperature sensor connector disconnected from the PCB Restart the system after replacing the PCB Restart the system after connecting the connector to PCB Failure of...

Страница 38: ...motor in the indoor unit Failure Fan error 4 2 3 Fan error No No Yes Yes Is the motor connector disconnected from the PCB CN301 Is there foreign substance stuck in the motor fan Replace the PCB and re...

Страница 39: ...ock s Terminal Fuse Open No No Yes Is the resistance 0 Yes Is the wire connector disconnected from the terminal block and PCB CN140 Replace the PCB and restart the unit Connect the connector to PCB an...

Страница 40: ...r Wire remote controller display E422 Symptom Clogging of outdoor s service valve Failure Valve clog 4 2 5 Outdoor s service valve Clog Yes No Is the outdoor service valve clogging Replace the PCB and...

Страница 41: ...connected from the MAIN PCB Failure Option error Yes Yes No No Is the EEPROM PCB disconnected from the MAIN PCB CN201 Is the error mode disappear Connect the EEPROM PCB to MAIN PCB The indoor unit wor...

Страница 42: ...Fan Filter Defrost Wire remote controller display E163 Symptom EEPROM option setting error Failure Option error Yes No Is the error mode disappear Input the right option to EEPROM PCB The indoor unit...

Страница 43: ...only possible in Master wired remote controller You can only check the indoor unit option code in Slave wired remote controller t Setting indoor unit option code is possible when one indoor unit is c...

Страница 44: ...press button to enter a Indoor Address setting screen 4 Press the button to set the Indoor unit Main RMC Address 5 Press the button to save and complete the option setting 6 Press the button to exit...

Страница 45: ...installation option code in order Press button to go to the next page SGE1 SGE2 SGE3 SGE4 SGE5 SGE6 0 2 RESERVED Exterior temperature sensor Central control RESERVED SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 1...

Страница 46: ...ils Indication Details Indication Details Indication Details 2 0 Disuse 0 Thermoon 0 Use of buzzer 1 ON OFF Control 1 Operation on 1 Non use of buzzer 2 OFF Control 3 WINDOW ON OFF Control Option SEG1...

Страница 47: ...manuals for minimum CFM for electric heat kit activation usually speed tap 5 4 Turn the circuit breakers on and reinstall air handler blower door 5 Turn on all electrical supply circuits to the air h...

Страница 48: ...1 628 0 2 452 0 2 599 0 3 410 0 3 569 0 4 370 0 4 536 0 5 325 0 5 500 0 6 270 0 6 458 0 7 210 0 7 411 0 8 130 0 8 352 2 0 1 525 5 0 1 682 0 2 497 0 2 658 0 3 466 0 3 633 0 4 430 0 4 605 0 5 385 0 5 5...

Страница 49: ...410 0 5 671 0 6 365 0 6 630 0 7 317 0 7 580 0 8 262 0 8 530 2 0 1 658 5 0 1 888 0 2 625 0 2 859 0 3 589 0 3 831 0 4 550 0 4 799 0 5 508 0 5 764 0 6 462 0 6 723 0 7 410 0 7 675 0 8 349 0 8 620 3 0 1 72...

Страница 50: ...904 0 9 486 0 9 864 1 419 1 823 2 0 1 987 5 0 1 1314 0 2 951 0 2 1282 0 25 932 0 25 1266 0 3 914 0 3 1251 0 4 875 0 4 1217 0 5 834 0 5 1183 0 6 790 0 6 1149 0 7 742 0 7 1113 0 8 690 0 8 1076 0 9 633...

Страница 51: ...0 9 864 1 419 1 823 2 0 1 987 5 0 1 1314 0 2 951 0 2 1282 0 25 932 0 25 1266 0 3 914 0 3 1251 0 4 875 0 4 1217 0 5 834 0 5 1183 0 6 790 0 6 1149 0 7 742 0 7 1113 0 8 690 0 8 1076 0 9 633 0 9 1039 1 5...

Страница 52: ...0 8 1005 0 9 685 0 9 964 1 620 1 922 2 0 1 1137 5 0 1 1315 0 2 1101 0 2 1282 0 25 1083 0 25 1266 0 3 1064 0 3 1251 0 4 1025 0 4 1217 0 5 984 0 5 1184 0 6 940 0 6 1149 0 7 892 0 7 1113 0 8 841 0 8 1076...

Страница 53: ...606 0 8 1224 0 9 510 0 9 1158 1 415 1 1078 2 0 1 1379 5 0 1 1739 0 2 1293 0 2 1705 0 3 1210 0 3 1670 0 4 1130 0 4 1633 0 5 1045 0 5 1597 0 6 963 0 6 1559 0 7 878 0 7 1522 0 8 795 0 8 1485 0 9 711 0 9...

Страница 54: ...1490 0 2 1960 0 25 1446 0 25 1940 0 3 1407 0 3 1923 0 4 1325 0 4 1887 0 5 1240 0 5 1847 0 6 1159 0 6 1807 0 7 1077 0 7 1762 0 8 993 0 8 1714 0 9 910 0 9 1664 1 826 1 1608 3 0 1 1642 Default Settin g 0...

Страница 55: ...hen the compressor is reoperated The same phenomenon occurs when a power is on As a phenomenon that the compressor is reoperated after a delay of 3 minutes the indoor fan is adjusted automatically wit...

Страница 56: ...N PCB Diagram AC018KNZDCH AC024KNZDCH AC030KNZDCH AC036KNZDCH AC042KNZDCH AC048KNZDCH AC054KNZDCH 5 PCB Diagram and Part List 5 1 Indoor Unit 10 9 8 4 5 6 7 3 1 2 All manuals and user guides at all gu...

Страница 57: ...1 SGND 12 5V 13 BUZZER 1 SGND 2 NC 3 5V 4 EEPROM SELECT 5 EEPROM SO 6 EEPROM SI 7 EEPROM CLK 1 12V 2 COM2 PCTRL MICOM 3 COM2 VCHECK A 4 COM2 VCHECK B 5 COM2 MICOM AD 6 VCC ON OFF CTRL 7 COM2 ENABLE 8...

Страница 58: ...Samsung Electronics 5 3 5 2 1 Main PCB Q AC018JXADCH 5 4 3 2 1 7 6 8 9 10 11 12 5 2 Outdoor Unit All manuals and user guides at all guides com...

Страница 59: ...5 6 COND THERMISTOR 1 10 Download 1 DV310V 3 GND 4 DC15V 5 FAN PWM 6 FAN Feedback 1 10 Download 1 COMP U Phase 2 COMP V Phase 3 COMP W Phase 1 2 Reactor CN030 4WAY VALVE CN951 SIGNALTO SUB PCB CN252 T...

Страница 60: ...PCBDiagramandPartList Samsung Electronics 5 5 5 2 2 SUB PCB Q AC018JXADCH 1 2 1 DC12V 2 GND 1 28 SIGNAL TO MAIN PCB CN12 DC12V CN951 SIGNALTO MAIN PCB All manuals and user guides at all guides com...

Страница 61: ...EARTH YDW236 01 WHT 10 3711 000177 CN303 COMM INDOOR YW396 02V RED 11 3716 001162 CN003 QUIET S W BR 7623 2P BLK 12 3711 005096 CN302 COMM OPTION SMW200 05 BLK 13 3711 007069 CN402 HIGH PRESSURE S W B...

Страница 62: ...ging 1 DC 360V 2 N C 3 GND 4 DC 15V 5 FAN RPM 6 FAN RPM feedback 1 DC 360V 2 N C 3 GND 4 DC 15V 5 FAN RPM 6 FAN RPM feedback 1 COMP U phase RED 2 COMP V phase BLU 3 COMP U phase YEL Reactor A1 B1 Reac...

Страница 63: ...nTRST 9 GND 10 11 5V 14 18 19 ENC 17 GND 20 SUB 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback 1 DC310V 2 N C 3 GND 4 DV15V 5 FAN RPM 6 FAN RPM Feedback 1 Compressor U phase RED 2 Compresso...

Страница 64: ...nics 5 9 Q AC024JXADCH AC030JXADCH AC036JXADCH AC042JXADCH AC048JXADCH AC054KXADCH L1 BRN N1 SKY BLU 1 3 AC 220 240V L1 AC POWER L phase N1 AC POWER N phase CN01 AC POWER 3 1 2 5 2 5 EMI PCB All manua...

Страница 65: ...Coil RED PIN 5 ORN DEFROST INDOOR BLOWER MOTOR HI SPEED TAP ORN ORN ORN ST5 ERROR EXPLANATION E101 E121 E122 E123 E162 E163 NO COMMUNICATION FOR 2 MINUTES BETWEEN INDOOR AND OUTDOOR UNIT ERROR ON ROOM...

Страница 66: ...6 2 Samsung Electronics 6 2 Outdoor Unit AC018JXADCH This Document can not be used without Samsung s authorization All manuals and user guides at all guides com a l l g u i d e s c o m...

Страница 67: ...Samsung Electronics 6 3 AC024JXADCH AC030JXADCH AC036JXADCH AC042JXADCH AC048JXADCH This Document can not be used without Samsung s authorization All manuals and user guides at all guides com...

Страница 68: ...6 4 Samsung Electronics AC054KXADCH This Document can not be used without Samsung s authorization All manuals and user guides at all guides com...

Страница 69: ...erature and low pressure coolant is compressed and sent to the cycling system Q EVAPORATOR Liquid coolant sucked in through the capillary tubes cools down the room by absorbing the surrounding heat as...

Страница 70: ...DIVE A RAC A3050 7 RAC Crystal U AIR HANDIING UNIT ASD Z AIR HANDLING UNITWITH FRESH Y HYDRO UNIT Wall mount EHS B HYDRO UNIT Standing X HYDRO UNIT TANK Integrated W WATERTANK K FLAT CEILINGTYPE _VTL...

Страница 71: ...LowTemp Q Inv Side TropicalTemp F Inv Top TropicalTemp B NonInv Side GeneralTemp N NonInv Side LowTemp R NonInv Side TropicalTemp NonInv Top TropicalTemp 4Way 4 MSPDuct M Ceiling C Power A A 115V 60h...

Страница 72: ...or domestic law Samsung Electronics Co Ltd March 2016 Printed in Korea Code No AC 00154E_1 GSPN GLOBAL SERVICE PARTNER NETWORK Area Web Site Europe CIS Mideast Africa gspn1 samsungcsportal com Asia gs...

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