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Samsung APH289SEF, Service Manual

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Samsung APH289SEF Service Manual Download Page 33

Troubleshooting

Samsung Electronics

32

1. Causes of Failure

1) Low remote control voltage.

2) Poor receiving module of panel PCB remote control.

2. Inspection Items

1) Check "Beep" sound from the indoor unit panel. This indicates normal signal transmission from remote control.

3. Inspection Procedure

Turn power off and on in 5 seconds.

Check wave style from panel PCB MICOM

U101 Pin No. #20, spherical?

Press On/Off button on panel, then real

temperature displayed and start running?

Press On/Off button on remote control,

then "Beep" sound and stop running?

Check remote control battery voltage, over DC2.5V?

Exchange panel PCB MICOM(IC101).

Press On/Off button on remote control
after exchanged, in normal operation?

Check the inspection items

during power off.

Exchange remote control.

Exchange panel PCB

receiving module.

Normal

Exchange the battery.

Yes

Yes

Yes

Yes

Yes

No

No

No

No

No

5-3-7 When remote control does not operate.

Summary of Contents for APH289SEF

Page 1: ...1 Product Specifications 12 Operating Instructions 13 Disassembly and Reassembly 14 Refrigerating Cycle Diagram 15 Troubleshooting 16 Exploded Views and Parts List 17 Block Diagram 18 PCB Diagram 19 Wiring Diagram 10 Schematic Diagram FLOORSTANDTYPEAIRCONDITIONER ...

Page 2: ...p g Unit Packing Unit Packing Packing Unit Packing Unit Packing Indoor Outdoor Construction Fin Capillary Tube No of Polarities Capacitor RPM Cooling Heating Type Construction Fin R22 Maker Model Type No of Polarities Capacitor RPM Cooling Heating Type High pressure side Low pressure side Indoor Unit Outdoor Unit Weight Electric Characteristics Size 575 x 1 840 x 320 678 x 1 910 x 432 880 x 798 x ...

Page 3: ... Chaos calculation into High Medium and Low Natural is available in Auto mode only AUTO Operation Cooling Operation Heating Operation Dry Operation Humidity control by the difference between set temperature and room temperature 18 C 30 C FAN Operation Operating the room fan motor only Low Medium High Room temperature control by the set temperature 18 C 30 C Room temperature control by the set temp...

Page 4: ...se dust collecting efficiency the Air Flow Blade Up Down will start rotating automatically Self diagnosis Function Displays an error message on the temperature display window of Panel Display Operates the indoor fan motor Turbo and compressor for 30 minutes regardless of the set temperature and put down the Air Flow Blades Up Down Digital Flow Available for Cooling Heating only If you select any e...

Page 5: ...mperature adjustment buttons Fan speed Lock function indicator Air purity level indicator Perfect air cleaning button Turbo button Operating mode Selection button Remote control sensor On Off button 1 To operate the air conditioner press the On Off button 1 Result The air conditioner starts up in the mode selected when the unit was last used The indoor unit beeps If you want to stop press the On O...

Page 6: ...3 seconds once again Air purity level display 1 If the air conditioner is on the air purity level is displayed automatically on the control panel 1 Example Very pure 1 Example Pure 1 Example Impure 2 If the air conditioner is off press the button for 3 seconds once again 2 Result The air purity level is displayed on the control panel 3 To clear the control panel press the button for 3 seconds once...

Page 7: ...lowing again after completion of installation 1 Check the piping connection area for any gas leakage 2 Is the drain hose properly connected 3 Is the insulation of the piping in good condition 4 Is grounding properly made Insulation Above 30m Indoor connection area Outdoor connection area ...

Page 8: ...instructions Be sure to check whether the service valve is opened before attempting to perform the test operation Be sure to perform the test operation after installation It is easy to start the test operation in winter if you increase the sensor temperature to 23 C 25 C by holding the indoor temperature sensor Cooling operation When the outdoor temperature is below zero do not test operation for ...

Page 9: ...e power cord before repairing the unit No Parts Procedure Remark 1 Indoor Unit 1 Stop the air conditioner and shut off the Main Power 2 Open the ass y Inlet and detach the connection hook 3 Loosen 2 fixing screws at the bottom of the ass y Panel Display 4 Detach the connection wire between the Main PCB and the Display ...

Page 10: ... No Parts Procedure Remark 5 Detach the other wires connected to the Main PCB 6 Loosen 3 fixing screws between the ass y Shutter and the Perfect Cleaner 7 Loosen 2 fixing screws at the bottom of the ass y Shutter 8 Lift the ass y Shutter to detach it ...

Page 11: ...9 Loosen 4 fixing screws on both sides of the Perfect Cleaner 10 Lift the Perfect Cleaner to detach it 11 Detach the ass y Cover Evaporator Up 12 Loosen 2 fixing screws to connect the ass y Panel Drain and the Cabinet 13 Pull the ass y Evaporator upward toward you to detach it ...

Page 12: ...isassembly and Reassembly No Parts Procedure Remark 14 Detach the Panel Drain 15 Detach the Holder Pipe 16 Detach the Cover Bell Mouth 17 Loosen the Blower nut to detach the Blower 18 Loosen the ass y duct and 4 fixing screws ...

Page 13: ... Disassembly and Reassembly No Parts Procedure Remark 2 Shutter 19 Detach the ass y duct from the Cabinet 20 Loosen 3 Motor fixing screws and 1 Earth screw 1 Loosen 1 fixing screw of the cover Main PCB 2 Detach the Main PCB ...

Page 14: ...Disassembly and Reassembly 13 Samsung Electronics No Parts Procedure Remark 3 Detach the Cover Evaporator Front 4 Detach the Cover Outlet LF RH 5 Detach the ass y Body Outlet ...

Page 15: ...ng Electronics 14 No Parts Procedure Remark 6 Detach the Holder Hinge at the bottom of the Panel Shutter 7 Split the Body Outlet to both sides to detach the hinge Shutter low 8 Loosen the fixing screw connected to the hinge Shutter Up ...

Page 16: ...Disassembly and Reassembly 15 Samsung Electronics No Parts Procedure Remark 9 Detach the Panel Shutter 10 Push down the Gear Rack to detach it 11 Detach 2 Link Blade Hs 12 Detach the Support Blade H ...

Page 17: ...amsung Electronics 16 No Parts Procedure Remark 13 Detach 5 Blade Hs and 1 Blade H Motor 14 Detach 2 Link Blade Vs 15 Detach 6 Blade Vs and 2 Blade V Motors 16 Detach the wire connected to each Motor 17 Detach the PCB Photo Sensor ...

Page 18: ...Disassembly and Reassembly 17 Samsung Electronics No Parts Procedure Remark 18 Detach 2 Motor Blade Vs 19 Detach the Guard Motor 20 Detach 1 Motor Blade H ...

Page 19: ... No Parts Procedure Remark 3 4 Panel Display Perfect Cleaner 1 Detach the ass y Panel Display 2 Loosen 3 fixing screws connected to the Cover Panel PCB in the back 3 Detach the Cover Panel PCB 4 Detach the Panel PCB 1 Detach the Ass y Perfect Cleaner ...

Page 20: ...o Parts Procedure Remark 2 Detach the ass y Electric Filter 3 Detach the Cover HVPS DC 4 Loosen the wire fixing bolt connected to the Plate HVPS and detach the High Pressure Generator 5 Detach the fixing screw of the ass y Magnet on the top left corner ...

Page 21: ...assembly Samsung Electronics 20 No Parts Procedure Remark 6 Detach the Cover Magnet S W 7 Detach the Guide Cross Fan Up 8 Detach the Anion Generator 9 Detach both the Cross Fan and the Motor from the Guide Cross Fan Low ...

Page 22: ...assembly 21 Samsung Electronics No Parts Procedure Remark 5 6 Evaporator Inlet 1 Loosen 9 fixing screws of the Cover Evaporator LF RH 1 Open the Grille Inlet LF RH and pull out 2 Filter Pres 2 Detach the Guide Inlet Air ...

Page 23: ...op by removing the screws fixing Cover Top 2 Detach the Back Cabinet by removing the screws fixing Back Cabinet 3 Detach the Control Box by removing the screws fixing Control Box The feature of wiring may vary with the models 4 Detach the Cover Front by removing the screws fixing Cover Front M6 SCREW ...

Page 24: ...an 5m 40g of R22 refrigerant should be refilled per extension length of 1m Allowable pipe length Maximum 15m Allowable pipe drop distance Maximum 10m Operating Condition STD Pressure kg cm2 G GAS SIDE Piping Temp Use Temp Condition C T1 T2 Indoor Outdoor DB 4 5 5 5 6 5 7 5 3 4 18 5 20 5 40 45 50 55 30 35 32 36 36 40 28 32 9 12 14 18 1 4 65 75 70 80 40 45 27 32 21 20 27 20 19 23 16 35 43 21 7 21 2 ...

Page 25: ...e lamp on deice is on at the control panel and the compressor operates During the heating the outdoor unit fan motor repeats start stop or even the compressor repeats the start and stop During the heating the compressor and outdoor unit fan motor operate but indoor unit fan motor does not operate 1 2 3 4 5 6 7 Phenomena Description The operation of compressor is delayed for 3 minutes for the prote...

Page 26: ...r Pipe Temperature Sensor Open Short Check the Gas Sensor voltage 0V 5V Check the connection wire Check the Temperature Sensor Check the main PCB pattern and wire Open Short Check the Auto Shutter Sensor Check the Sensor and Motor driven wire Check the mechanical lock Check the RPM Feedback wire Check the Motor wire Check the wire between Main and Panel Check the CN901 Connector voltage of the Mai...

Page 27: ...DC5 5V 5 Connection harness between Main PCB and panel PCB 3 Inspection Procedure Turn power off and on in 5 seconds Press OPER key LED Lights on and shutter open Check U303 output voltage 5V Check voltage of CN901 1 5 of panel PCB 12V If yes then Inspect and exchange panel PCB Poor panel PCB Power voltage normal Fuse AC AC AC198V AC264V Good set operation Check wire between indoor unit outdoor un...

Page 28: ...change indoor Fan motor Control both operating mode key and remote control key to enter FAN mode Select Turbo High Medium or Low by Fanspeedkey thenseeifRY708 Low RY707 Medium RY706 High or RY705 Turbo operates Check Fan speed output wave style of pins No MICOM U101 20 21 22 and 23 HIGH Check relay coil edge voltage for each Fan speed Turbo High Medium Low DC12V Select Turbo High Medium or Low by ...

Page 29: ...Procedure Turn power off and on in 5 seconds Exchange compressor Start cooling by remote control both relay RY702 and compressor on in 3 minutes Check Fan speed output wave style of pins No MICOM U101 26 during compressor on HIGH Check relay RY702 coil edge voltage during compressor on DC12V Outdoor power type check edge No 1 3 of wire between indoor and outdoor during compressor on Good compresso...

Page 30: ...pection Procedure Turn on and turn the Air flow blade right left on with remote control Exchange the Air flow blade right left of left side Check swing of the Air flow blade right left of left side OK Check connector wire cut or wrong Check voltage between Main PCB CN201 No 5 6 and GND DC12V Check wave style from Main PCB CN201 No 1 2 3 4 spherical Good motor of the Air flow blade right left of le...

Page 31: ...tion Procedure Turn on and turn the Air flow blade right left on with remote control Exchange the Air flow blade right left of right side Check swing of the Air flow blade right left of right side OK Check connector wire cut or wrong Check voltage between Main PCB CN201 No 11 12 and GND DC12V Check wave style from Main PCB CN201 No 7 8 9 10 spherical Good motor of the Air flow blade right left of ...

Page 32: ...ing motor on 3 Inspection Procedure Turn on and turn the Air flow blade up down on with remote control Exchange the Air flow blade up down Check swing of the Air flow blade up down OK Check connector wire cut or wrong Check voltage between Main PCB CN202 No 5 and GND DC12V Check wave style from Main PCB CN202 No 1 2 3 4 spherical Good motor of the Air flow blade up down Inspect and exchange connec...

Page 33: ...el PCB MICOM U101 Pin No 20 spherical Press On Off button on panel then real temperature displayed and start running Press On Off button on remote control then Beep sound and stop running Check remote control battery voltage over DC2 5V Exchange panel PCB MICOM IC101 Press On Off button on remote control after exchanged in normal operation Check the inspection items during power off Exchange remot...

Page 34: ...er off and on in 5 seconds Check voltage between HVPS input edges DC12V Power on and Air cleaner on with remote control Check voltage between CN710 No 1 2 DC12V Check MICOM Pin No 23 HIGH Inspect and exchange HVPS assembly You are not able to check the input voltage of HVPS unless Reed switch contacts the magnet Check MICOM Pin No 15 LOW Inspect and exchange U12 Check if the connecting harness was...

Page 35: ...3 and CN707 No 4 DC12V Perfect on and Anion generator on Check voltage between Anion generator input connector No 1 3 DC12V Check voltage of MICOM Pin No 44 5V Check voltage between HVPS white connector No 1 3 DC12V Exchange anion generator Check voltage between CN707 No 3 4 12V Exchange anion generator Exchange the connecting harness Exchange Main PCB Exchange reed switch Yes No Yes Yes Yes No No...

Page 36: ...spection Procedure Turn power off and on in 5 seconds Power on or off Rise with shutter Descend with shutter Check voltage between CN704 No 1 5 220V Check voltage between CN704 No 1 5 220V Defection of both shutter and motor Defection of both shutter and motor Exchange Main PCB Exchange Relay RY709 Exchange in case poor Open RY710 Exchange in case poor Close Check coil voltages of RY709 Open and R...

Page 37: ...CB must be poor 3 Operability of Fan motor while outdoor unit is running If yes motor must be poor 4 Cold lead remnant in Main PCB 501 condenser 450V 1 2uF 3 Inspection Procedure Turn power off and on in 5 seconds Power on and Perfect Air Cleaning on Check voltage between CN501 No 3 5 220V Check CN502 connecting harness Exchange Fan motor Exchange Main PCB Reconnect connector Yes Yes No No 5 3 11 ...

Page 38: ...MEMO 37 Samsung Electronics ...

Page 39: ... 8 1 8 2 1 10 10 1 14 17 15 9 6 5 7 2 4 3 2 3 2 2 2 1 1 1 16 7 1 7 3 7 2 4 1 8 10 2 You can search for the updated part code number through the ITSELF URL http itself sec samsung co kr 6 Exploded Views and Parts List 6 1 Indoor Unit ...

Page 40: ...R GAS SENSOR AP SR2370 HIPS 1 1 SNA 7 3 DB93 00368B ASS Y PCB GAS SENSOR SP3S AQ2 LEAD FREE 1 1 SA 8 DB94 00477B ASS Y PANEL DRAIN HP S2371 ABS 1 1 SA 8 1 DB64 00580A PANEL DRAIN AP SR2370 ABS GREEN 1 1 SC 8 2 DB94 00315P ASS Y HOSE DRAIN HP SR2371GB SUPREME PJT 1 1 SA 9 DB90 01344A ASS Y BELL MOUTH HP S2371 SUPREME P J 1 1 SA 10 DB90 01414B ASS Y COVER TOP HP S182P Supreme 1 1 SA 10 1 DB63 00544D...

Page 41: ...3 4 29 27 28 19 14 18 15 18 17 13 24 26 15 22 6 25 12 21 20 9 10 7 8 5 1 11 23 16 16 2 Samsung Electronics 40 Exploded Views and Parts List 6 1 1 ASS Y SHUTTER Indoor Unit No 14 ...

Page 42: ...0531A COVER MOTOR V AP SR2370 HIPS 2 2 SC 14 12 DB66 00358A GEAR SHUTTER AP SR2370 POM BLACK 1 1 SA 14 13 DB66 00355B BLADE H MOTOR HP SR2371 HIPS WHITE S 1 1 SA 14 14 DB66 00359B BLADE H HP SR2371 HIPS WHITE S PJT 5 5 SA 14 15 DB66 00356B BLADE V MOTOR HP SR2371 HIPS WHITE S 2 2 SC 14 16 DB66 00360B BLADE V HP SR2371 HIPS WHITE S PJT 6 6 SA 14 17 DB66 00353A LINK BLADE H AP SR2370 POM BLACK S 2 2...

Page 43: ...Samsung Electronics 42 Exploded Views and Parts List 10 3 7 5 6 9 7 4 11 1 8 2 6 1 2 ASS Y INLET Indoor Unit No 15 ...

Page 44: ... HP SR2371 HIPS 1 1 SA 15 4 DB63 00533C COVER INLET RH HP SR2371 HIPS 1 1 SA 15 5 DB64 00591C GRILLE INLET LF HP SR2371 HIPS 1 1 SA 15 6 DB64 00592C GRILLE INLET RH HP SR2371 HIPS 1 1 SA 15 7 DB63 00547B FILTER PRE HP S2371 COMPOSITE PP 3 5 100 0 688 2 2 SA 15 8 DB61 01036A GUIDE INLET AIR AP SR2370 HIPS S 1 1 SC 15 9 DB61 01023A PLATE SPRING A AP SR2370 STS304 SU 1 1 SNA 15 10 DB61 01024A PLATE S...

Page 45: ... 2 1 SA 16 4 DB63 00534A COVER MAGNET S W AP SR2370 HIPS 1 SNA 16 5 DB61 01043A PLATE HVPS AP SR2370 STS304 SUPR 2 SNA 16 6 DB70 00173B PLATE MAGNET HP SR2370 SECC P 1 0 60 34 2 SNA 16 7 DB94 00248A ASS Y CROSS FAN AP SR2370 SUPREME PJT 1 SA 16 8 DB91 00297A ASS Y ELECTRIC S PJT DC12V 1 SNA 16 9 DB94 00258A ASS Y BEARING G PJT CR BLK 1 SA 16 10 DB63 00536A COVER HVPS DC AP SR2370 HIPS V0 1 SC 16 1...

Page 46: ... 0 135 1 SNA 17 2 DB66 00357C BLADE CLEANER HP S182P ABS 2 0 SC 0162 1 SA 17 3 DB64 01051A INLAY WINDOW HP SR2371GB TRANSPARENCY ACRYL 1 0 1 SA 17 4 DB64 00959A BUTTON CONTROL HP SR2371GB HIPS SU 1 SNA 17 5 DB94 00524A ASS Y COVER PANEL PCB HP S2371B 1 SA 17 6 DB93 01419F ASS Y PCB DISPLAY S CIS APH289SE PANEL N 1 SA 17 7 DB95 20138A ASS Y MOTOR STEPPING GSP 24RW 046 AS 568 1 SA Code No No Specifi...

Page 47: ...Samsung Electronics 46 6 5 4 3 11 16 15 2 15 4 18 8 2 14 12 15 1 15 15 3 17 1 7 13 9 10 6 2 Outdoor Unit ...

Page 48: ...E RH APH289SE CIS TYPE 1 SA 11 DB90 00569A ASS Y CABINET UPPER AP L23 1 SA 12 DB95 10243B ASS Y COMP APH 701H ZR34K3 PFJ 1 SA 13 DB60 30028A SCREW MACHINE HEX 2C M8 ZPC 4 SA 14 DB73 10023A GROMMET COMP EPDM T41 BLK 4 SNA 15 DB93 02606A ASS Y CONTROL BOX OUT HP 1 SA 15 1 DB34 90057C SWITCH MAGNET 45CG20ALB 220 240V20 1 SA 15 2 2301 001369 C FILM LEAD OTHER 3000nF 10 5 450V BK 1 SA 2501 001240 C OIL...

Page 49: ...right left Auto Shutter Control Load Drive Part Remote Control Sensor Part MICOM ASS Y PANEL PCB MICOM Reset Part ASS Y MAIN PCB DC Power Part 5V DC Power Part 12V Indoor Room Temperature Sensor Outdoor Piping Temperature Sensor Gas Sensor Buzzer Control Indoor Pipe Temperature Sensor AC Power Part AC 220 240V 50Hz Key Input Part Communication Part Display Part Remote Controller ...

Page 50: ...49 Samsung Electronics 8 PCB Diagram 8 1 ASS Y MAIN PCB DB93 02594D TOP BOTTOM ...

Page 51: ...W AA TP 1 8x3 2mm 1 R303 R CARBON 150ohm J 1 8W AA TP 1 8x3 2mm 1 R405 406 407 R CARBON 330ohm J 1 8W AA TP 1 8x3 2mm 3 R301 R CARBON 6 8ohm J 1 8W AA TP 1 8x3 2mm 1 R401 402 403 R METAL 6 8Kohm F 1 8W AA TP 1 8x3 2m 3 R702 R CARBON 27Kohm J 1 8W AA TP 1 8x3 2mm 1 R102 R CARBON S 470ohm J 1 2W AA TP 2 4x6 4mm 1 R701 R METAL OXIDE 200Kohm J 2W AA BK 5 5x16mm 1 D302 DIODE TVS ST02D 170 155 170 185V ...

Page 52: ... RY702 RY710 RELAY POWER US11 12S1 DC12V 3A 9 T301 TRANS SWITCHING S PJT AP S2370 220V EE2216 1 CN101 CONNECTOR HEADER SMW200 03 YEL 1 CN201 CONNECTOR HEADER SMW200 06 YEL 1 CN202 CONNECTOR HEADER SMW200 06 WHT 1 CN203 CONNECTOR HEADER SMW200 05 WHT 1 CN204 CONNECTOR HEADER SMW200 06 RED 1 CN401 CONNECTOR HEADER SMW200 06 BLU 1 CN403 CONNECTOR HEADER SMW200 03 WHT 1 CN501 CONNECTOR HEADER YW396 05...

Page 53: ...Samsung Electronics 52 8 2 ASS Y PANEL PCB DB93 01419F TOP BOTTOM ...

Page 54: ...W SOT 23 TP 1 1 Q602 603 TR DIGITAL KSR1102 NPN 200mW 10K 10K SOT 23 TP 2 U101 IC MICOM S3C8245X30 QWR5 80P 5V 10MHZ STM 0019 1 R601 R CARBON 560ohm 5 1 4W AA TP 2 4x6 4mm 1 J1 J21 JUMP WIRE 52mm 23 J24 J25 C109 111 601 C AL 47uF 20 25V GP TP 5x11 2 5 3 C113 C AL 1uF 20 50V GP TP 5x11 5 1 SW901 902 903 SWITCH TACT JTP1280A6 15V 20mA 160gf 50gf 6x3 4mm S 6 SW905 906 907 U102 IC VOLTAGE KA7533 TO 92...

Page 55: ...ETH EVAP THERMISTOR SENSOR RY707 MOTOR IN MED DRIVE RELAY RY702 COMP DRIVE RELAY RY708 MOTOR IN LOW DRIVE RELAY RY703 4 WAY V V DRIVE RELAY RY709 SHUTTER MOTOR DRIVE RELAY OPEN RY704 OUTDOOR FAN DRIVE RELAY RY710 SHUTTER MOTOR DRIVE RELAY CLOSE ERROR MODE E0 GAS SENSOR ERROR E5 EVAP THERMISTOR ERROR E1 ROOM THERMISTOR ERROR E6 COND THERMISTOR ERROR E2 SHUTTER MOTOR ERROR EA MAIN PANEL PCB COMMUNIC...

Page 56: ...hout Samsung s authorization 9 2 Outdoor Unit Code No DB98 03401A CM COMPRESSOR TP 1 2 TERMINAL PLATE 52C1 MAGNETIC CONTACTOR 20S SOLENOID COIL CPC CAPACITOR FOR COMP SPK SPARK KILLER FM FAN MOTOR 63H HIGH PRESSURE S W CPM CAPACITOR FOR MOTOR F1 FUSE 250V 2A ...

Page 57: ...Samsung Electronics 56 10 Schematic Diagram 10 1 MAIN PCB This Document can not be used without Samsung s authorization ...

Page 58: ...57 Samsung Electronics 10 2 PANEL PCB This Document can not be used without Samsung s authorization ...

Page 59: ...MEMO Samsung Electronics 58 ...

Page 60: ...MEMO 59 Samsung Electronics ...

Page 61: ...MEMO Samsung Electronics 60 ...

Page 62: ...e Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law Samsung Electronics Co Ltd Jun 2005 Printed in Korea Code No DB98 18969A 2 ...

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