Samsung AS09HPB Service Manual Download Page 72

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Troubleshooting

12-15

Samsung Electronics

12-2-13 Communication error

1. Checklist :

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

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

2. Troubleshooting procedure

Yes

Restart after power off.

Terminate the service.

Is the communication error

occurred again?

Correct the wrong wiring.

Isn't the power cable

and communication cable error?

Correct the connection of

communication cable.

Is the connection of

communication cable normal?

Exchange the indoor/outdoor unit PCB.

Exchange the outdoor unit PCB.

Is it the outdoor

2 Micom(In Main) model?

24437A(1)_1 1/16/05 9:58 PM Page 12-15

Summary of Contents for AS09HPB

Page 1: ...control SERVICE Manual For more information Please access to our service web site http itself sec samsung co kr Basic INDOOR UNIT OUTDOOR UNIT Basic AS09HPB Basic AS12HPB Model AS09BPA Model AS12BPA M...

Page 2: ...and Option Specifications 2 7 13 Alignment and Adjustments 3 1 3 1 Indoor Display Error and Check Method 3 1 3 2 Outdoor LED Error Display and Check Method 3 2 3 3 Setting Option Setup Method 3 3 14...

Page 3: ...hooting 12 1 12 1 Items to be checked first 12 1 12 2 Fault Diagnosis by Symptom 12 2 12 3 PCB Inspection Method 12 20 12 4 Main Part Inspection Method 12 22 13 Block Diagram 13 1 13 1 Indoor Unit 13...

Page 4: ...n 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 from the p...

Page 5: ...safety Current is measured according to ISO standard for energy efficiency 1 4 Disposing of the unit Before throwing out the air conditioner remove the batteries from the remote control When you dispo...

Page 6: ...ow this product to set place in anywhere Excellent dust collection filter With a metallic dust filter that upgrades the dust collection function than a common plastic filter you can enjoy the best cle...

Page 7: ...ndicator Blue Remote control sensor Room Temperature sensor Air Inlet Note In the Auto mode 2 fan indicators increase and decrease continuously and turn round In the modes except the Auto mode the fan...

Page 8: ...Product Specifications 2 3 Samsung Electronics 2 2 2 Outdoor Unit Air Inlet Rear Air Outlet Connection Valve inside...

Page 9: ...5 0 85 3 5 5 0 1 25 7 8 6 1 4 5 31 5 13 0 8 2 6 5 4 9 31 5 13 0 40 25 51 40 25 51 4 13 4 1 3 4 3 86 3 9 3 36 1 220 240 50 240 610 1 030 220 900 1 490 1 5 3 0 5 0 1 35 4 4 6 85 91 0 92 0 2 3 15 950x268...

Page 10: ...tation Blue LED Display Net Weight Indoor Unit Outdoor Unit Outer Dimension Indoor Unit WidthxHeightxDepth Outdoor Unit Noise Indoor Unit Outdoor Unit Air Purifying System Filter Indoor Display Item I...

Page 11: ...tation Blue LED Display Net Weight Indoor Unit Outdoor Unit Outer Dimension Indoor Unit WidthxHeightxDepth Outdoor Unit Noise Indoor Unit Outdoor Unit Air Purifying System Filter Indoor Display Item I...

Page 12: ...INSTRUCCIONES ISTRUZIONI PER L USO MANUAL DE INSTRU ES MANUEL D UTILISATION GEBRAUCHSANWEISUNG Splut type Room Air Conditioner Aire acondicionado dom stico sistema Split Condizionatore d aria per amb...

Page 13: ...ulation DB72 50165A 1 Vinyl Tape Width 50mm DB72 00459A 1 Drain Plug DB67 20011A 1 Rubber Leg DB73 00179A 4 Pipe Clamps A DB39 20224A 3 Pipe Clamps B DB39 20224B 3 Cement Nail 6 M4x16 Tapping Screws 6...

Page 14: ...1min Time out Communication 12 Fan Error 13 OTP Error 14 Compressor Rotation Error 15 Low High Operation condition secession 16 DC Link valtage sensor Error 17 I_Trip error PFC Over current 18 Gas Le...

Page 15: ...e sensor error Dual Single 11 Current sensor error 12 Compressor Limit error 13 Coil temperature sensor error Dual Single 14 1min Time out Communication 15 Fan error 16 OTP error 17 Compressor rotatio...

Page 16: ...the display panel reads or repeatedly Setting is not required if you must a value which has a default Push the button to set the display panel to Every time you push the button the display panel read...

Page 17: ...ction key to set the display part to and check the display part The display part shows Press the Mode Selection key to set the display part to and check the display part The display part shows Step 4...

Page 18: ...SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 AS09BPAN AS12BPAN 0 0 A 7 7 7 1 7 5 2 4 7 0 1 4 6 7 7 1 7 5 2 6 7 For Australia exceptionally REMOCON MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9...

Page 19: ...ng the unit No Parts Procedure Remark 1 Panel Front 1 Stop the air conditioner operation and shut off the main power 2 Detach the Front Grille after pushing out it 3 Loosen 1 of the right screw and de...

Page 20: ...in Heat Exchanger 6 Loosen 5 fixing screws of Panel Front 7 Unlock 2 hooks to fix Panel Front and Tray Drain 8 Unlock 2 hooks to fix Panel Front and Back Body 1 Detach the connected wire of Stepping M...

Page 21: ...3 No Parts Procedure Remark 2 Detach the Room Sensor 3 Detach the Holder Pipe at the rear side of the unit 4 Loosen 3 fixing screws of left Holder Evap 5 Loosen 1 fixing screw of right Holder Motor 6...

Page 22: ...right Holder control 2 Take all the connector of PCB upper side out Including Power Cord 3 Detach the outdoor unit connection wire from the Terminal Block 4 Pull the PCB up to detach 1 Loosen 2 fixing...

Page 23: ...ew of the Cover Side 2 Loosen each 3 fixing screws on both right and left Cabinet Side edges and a fixing screw on the Cabinet Front lower to detach the Cabinet Front 3 Detach the Cabinet Front like t...

Page 24: ...4 6 Samsung Electronics No Parts Procedure Remark 5 Loosen 2 fixing screws on the rear side of Cabinet Side RH 6 Loosen 3 screws fixed to assemble Bracket Valve with Cabinet Side RH 7 Loosen 2 fixing...

Page 25: ...rocedure Remark 2 Ass y Control Out 1 Detach the Motor Wire from the PCB of Ass y Control Out 2 Detach several connectors from the PCB of Ass y Control Out 3 Detach 2 Connect Wires from Reactor 4 Loos...

Page 26: ...ing screws on both sides 2 Disassemble the pipes in both inlet and outlet with welding torch 3 Detach the Heat Exchanger 1 Loosen 4 bolts fixed to assemble Valve Service with Bracket Valve like the pi...

Page 27: ...5 1 10 12 16 11 5 13 19 21 22 15 7 23 23 1 3 6 17 14 1 18 9 4 8 24 14 6 14 1 1 1 1 2 9 2 9 3 2 5 23 2 3 2 3 4 3 1 3 3 2 1 2 6 2 5 1 2 4 2 2 2 3 9 1 14 5 14 2 14 3 14 4 20 2 5 Exploded Views and Parts...

Page 28: ...ER PCB DVM HIPS 1 1 SA 6 DB61 02050A HOLDER EVAP ABS 1 1 SA 7 DB61 02052A HOLDER MOTOR PP 1 1 SA 8 DB93 03449A ASS Y CONTROL IN ASS Y 1 1 SA 9 DB96 03835C ASS Y EVAP TOTAL ASS Y 1 1 SA 9 1 DB60 00198A...

Page 29: ...DB93 01549C ASS Y CONNECTOR POWER ASS Y 1 1 SA 21 DB93 03016R ASS Y REMOCON ARH 1315 1 1 SA 22 DB92 00643G ASS Y GRILLE ASS Y 1 1 SA 23 DB90 01829A ASS Y COVER DISPLAY ASS Y 1 1 SA 23 1 DB63 01108A CO...

Page 30: ...MEMO Samsung Electronics 5 4...

Page 31: ...Samsung Electronics 5 5 1 3 16 15 7 20 9 8 4 18 6 14 13 19 11 12 23 24 21 10 22 17 17 3 19 2 19 1 20 2 20 1 20 3 17 4 17 2 17 1 17 5 5 2 5 2 Outdoor Unit...

Page 32: ...SA 15 DB64 00982A CABINET SIDE LF SECC P SC 90073T 1 1 SA 16 DB64 00992A HANDLE LF PP SC 90073R 1 1 SA 17 G4C090LU2ER COMPRESSOR ROTARY BLDC 1 1 SA 17 1 DB73 00070A GROMMET ISOLATOR NR 3 3 SA 17 2 DB...

Page 33: ...ELODY PCB ASS Y SA 5 DB70 00516A PLATE TERMINAL LOW SGCC M T1 2 1 SNA 6 DB61 00171A HOLDER WIRE CLAMP ABS 1 SA 7 6001 000929 SCREW MACHINE PH M3xL22 1 SNA 8 6001 001054 SCREW MACHINE TH M4xL10 2 SNA 9...

Page 34: ...MEMO Samsung Electronics 5 8...

Page 35: ...Samsung Electronics 5 9 5 4 Ass y Control Out AS09BPAX DB93 03450B AS12BPAX DB93 03450A...

Page 36: ...000536 SCREW TAPPING PH 2S M4 L10 1 1 SNA 8 DB93 02968B ASS Y PCB EMI FR 1 139x40 1 1 SA 9 DB61 02513A CASE CONTROL BASE HEAT RESISTING ABS V0 T2 0 1 1 SA 10 DB61 02535A PLATE CONTROL OUT SGCC M T0 6...

Page 37: ...1 000879 CONNECTOR HEADER BOX 3P 1R 2 5mm STRAIGHT SN 1 SNA CN61 3711 004236 CONNECTOR HEADER BOX 5P 1R 2mm STRAIGHT SN 1 SNA CN71 3711 000313 CONNECTOR HEADER 1WALL 3P 1R 7 92mm STRAIGHT SN B 1 SNA C...

Page 38: ...20Kohm 5 1 10W TP 1608 1 SNA R503 2007 000078 R CHIP 1Kohm 5 1 10W TP 1608 1 SNA R504 2007 000962 R CHIP 5 1Kohm 1 1 10W TP 1608 1 SNA R505 2007 000070 R CHIP 0ohm 5 1 10W TP 1608 1 SNA R701 2006 001...

Page 39: ...No Description Q TY SA SNA Remark Specification DISPLAY PCB DB93 02806A 1 PCB MODULE FR1 T1 6 2 CONNECTOR HEADER BOX 3P 1R 2mm ANGLE SN 3 C CERAMIC MLC AXIAL 1nF 10 50V Y5P TP 1 9 x 3 5 4 DIODE SWITCH...

Page 40: ...3 0402 001213 DIODE RECTIFIER MRA4005 600V 1A SMC TP 1 SNA PC31 0604 001172 PHOTO COUPLER TR 100 300 200mW SOP TP 1 SNA PC32 0604 001172 PHOTO COUPLER TR 100 300 200mW SOP TP 1 SNA Q301 0504 001064 TR...

Page 41: ...50V GP TP 10x16 5 1 SNA C417 2203 000192 C CER CHIP 100nF 80 20 50V Y5V TP 2012 1 SNA C418 2306 000123 C FILM LEAD PPF 100nF 5 630V BK 26x16 5x8 5 2 1 SNA C419 2203 000192 C CER CHIP 100nF 80 20 50V Y...

Page 42: ...STIC 3 716 1 SNA IC55 0506 000175 TR ARRAY 2003 NPN 7 1W SOP 16 ST 1000 1 SNA IC56 0506 000175 TR ARRAY 2003 NPN 7 1W SOP 16 ST 1000 1 SNA IC701 1103 001175 IC EEPROM 93LC56 128x16 SOP 8P 5x4mm 2 5 6...

Page 43: ...1608 1 SNA R536 2007 000109 R CHIP 1Mohm 5 1 10W TP 1608 1 SNA R537 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 SNA R538 2007 000090 R CHIP 10Kohm 5 1 10W TP 1608 1 SNA R539 2007 000493 R CHIP 2 2Koh...

Page 44: ...A 10mohm 1 SNA FT00 DB98 17990A ASSY EMI FILTER LS615044 SH12BWH 1 SNA FT01 DB98 17990A ASSY EMI FILTER LS615044 SH12BWH 1 SNA TB L 9901 000087 WIRE HOLE 2 4mm 1 SNA TB N 9901 000087 WIRE HOLE 2 4mm 1...

Page 45: ...Samsung Electronics 7 1 This Document can not be used without Samsung s authorization 7 Wiring Diagram 7 1 Indoor Unit...

Page 46: ...Samsung Electronics 7 2 This Document can not be used without Samsung s authorization 7 2 Outdoor Unit...

Page 47: ...Samsung Electronics 8 1 This Document can not be used without Samsung s authorization 8 Schematic Diagram 8 1 Indoor Unit...

Page 48: ...Samsung Electronics 8 2 8 2 Outdoor Unit This Document can not be used without Samsung s authorization...

Page 49: ...PCB Circuit Descriptions This Document can not be used without Samsung s authorization SMPS INDOOR FAN CONTROL ZERO CROSSING PART INDOOR TEMPERATURE SENSOR BUZZERPART SUB PCB CONNECTOR DISPLAY STEP MO...

Page 50: ...ns 9 2 TEMPERATURE SENSOR EEV BLDC FAN COMMUNICATION PFC SMPS INVERTER Circuit Descriptions Samsung Electronics This Document can not be used without Samsung s authorization 9 1 2 Outdoor Unit 1 16 05...

Page 51: ...g Cross Fan Liquid Side Expansion Valve Capillary Tube Gas Side Ti To Propeller Fan Heat Exchanger Condenser Heat Exchanger Evaporator 3 Way Service Valve 3 8 2 Way Service Valve 1 4 Compressor 4 Way...

Page 52: ...Sensor Anions Auto grill 1 Auto grill 2 Temperature Sensor BLADE H Step Motor HVPS High voltage Generator 1 DISPLAY PCB Connection 2 Melody PCB Connection 3 Test Board Connection 4 Indoor Fan Motor 10...

Page 53: ...ctronics 10 2 Power N Power L BLDC FAN Communication N Communication Comp Cond Temperature Sensor Outdoor Discharge Temperature Sensor EEV Connector Comp Connector Wire Reactor Connector Wire 10 2 Out...

Page 54: ...until is displayed Press the button to select the fan speed until the required setting is displayed Heat Mode Press the button on the remote control until is displayed Press the button to select the...

Page 55: ...and Installation Samsung Electronics 11 2 Dry Mode Press the button on the remote control until is displayed Fan Mode Press the button on the remote control until is displayed Basic Function cont Mod...

Page 56: ...o Cleaning Press the button Function Sound On Off Press the button to turn off the sound Function Anions Function Press the button If you press the button when the air conditioner is off the air condi...

Page 57: ...eed adjustment button Sound On Off indicator Battery life indicator Fan speed indicator Anions indicator Sleep mode indicator Off Timer button On Timer button Power On Off button On Timer indicator Tu...

Page 58: ...l The compressor and indoor fan stop intermittently in HEAT mode In case of heat pump model Indoor fan and outdoor fan stop operation intermittently in a HEAT mode 1 2 3 4 5 6 7 8 9 Operation of air c...

Page 59: ...eck the display board operate Press the Power Button on the remote control unit to operate the air conditioner Reconnect wires correctly No Check whether 2 wires of power cord are connected correctly...

Page 60: ...Yes Yes Yes Is the voltage of indoor unit terminal block 1 and 2 correct after power input Is the R701 resistance of indoor PCB 200 Exchange the PCB No Normal Operation Exit Exchange the fuse Is the i...

Page 61: ...oting procedure Yes No Yes Yes Check as in the procedure No Power No Is STD lamp blinking Normal Yes Does operation start when swing button of the remote control unit pushed Micom IC04 is faulty No Vo...

Page 62: ...o No No Is the Pin voltage of CN01 1 3 over 250V Yes Yes Follow the Check Procedure of outdoor unit power supply error check FAN DRIVE CIRCUIT Q901 Q902 etc error Exchange the PCB Exchange the PCB MIC...

Page 63: ...6 Is there no ventilation obstruction at the surrounding of outdoor Outdoor unit cover Fan front obstruction etc 2 Troubleshooting procedure Yes Yes Yes Yes Reinstall and remove the obstruction No Is...

Page 64: ...he refrigerant No Yes Yes Is much frost in the heat exchanger Is the outdoor air sensor and outdoor heat exchanger attached correctly Connect the connecter correctly No No Does the 4 WAY valve operate...

Page 65: ...ring the operation Does the EEV operate normally EEV coil error NG The over shortage of refrigerant Insufficient Capacity Load estimation error Yes Does the outdoor fan operate at the operation of com...

Page 66: ...14 5 4 13 22 31 40 49 58 67 76 85 94 103 400 0 350 0 300 0 250 0 200 0 150 0 100 0 50 0 0 0 Yes Yes Yes Yes No No No Is the temperature sensor connected correctly without separation Does the both term...

Page 67: ...40 48 56 64 72 80 88 96 104 112 120 128 136 144 152 160 600 0 500 0 400 0 300 0 200 0 100 0 0 0 Yes Yes Yes Yes No No No Is the temperature sensor connected correctly without separation Does the both...

Page 68: ...14 5 4 13 22 31 40 49 58 67 76 85 94 103 400 0 350 0 300 0 250 0 200 0 150 0 100 0 50 0 0 0 Yes Yes Yes Yes No No No Is the temperature sensor connected correctly without separation Does the both term...

Page 69: ...sfy the resistance value in accordance with temperature 4 Is the resistance value of sensor connection pull_up correct 2 Troubleshooting procedure Yes Yes Yes No Is the connector connected correctly N...

Page 70: ...re R112 R113 R114 470 Kohm 4 Is R115 14 3Kohm 2 Troubleshooting procedure Yes Yes Yes No Is the capacitor C101 C102 C103 for DC Link assembled in accordance the specification No No No Is the voltage o...

Page 71: ...nate the service No Is the Shunt resistance value normal Exchange the PCB No Is the interphase resistance value of compressor u v v w w u normal Exchange the Compressor No No Yes Is the compressor bod...

Page 72: ...Troubleshooting procedure Yes Yes Yes Yes Restart after power off Terminate the service No Is the communication error occurred again Correct the wrong wiring No Isn t the power cable and communicatio...

Page 73: ...g procedure Yes Yes Yes Yes Restart after power off Terminate the service No Is the restart error occurred again Exchange the compressor No Is the interphase resistance value of compressor u v v w w u...

Page 74: ...ng procedure Yes Yes Yes Yes Restart after power off Terminate the service No Is the lock error occurred again Exchange the compressor No Is the interphase resistance value of compressor u v v w w u n...

Page 75: ...rocedure Yes Yes Yes Yes Yes Yes Yes Yes Restart after power off Terminate the service No No Is the DC Link voltage error occurred again Terminate the service Is the power voltage normal Exchange the...

Page 76: ...voltage descends below 3V the assembly module PCB is normal and the main PCB is poor Then replace the main PCB 3 Replace the assembly display PCB because the module PCB is poor if the voltage between...

Page 77: ...ower If the operating lamp twinkles at this time the above 1 3 have no relation Press the ON OFF button Press the ON OFF button 1 FAN Speed High 2 Continuous Operation 1 Is the fuse disconnected F701...

Page 78: ...BLDC FAN Wire 1 Is the green LED light on once per second 2 Is the indoor outdoor connection able connected in order 3 Is the grounding wire connected to the both of indoor outdoor unit 4 Is the volt...

Page 79: ...en or Short Measure the resistance between terminals of the connector CN72 with a tester Normal At the normal temperature 10 C 30 C Abnormal 0 Open or Short Measure the resistance between the red wire...

Page 80: ...MEMO 12 23 Samsung Electronics...

Page 81: ...FAN SPEED SELECT H M L AUTO BLADE H MOVING SELECT ON OFF TIMER SELECT CANCEL ENERGY SAVING SELECT SOUND ON OFF SELECT DIGITAL ON OFF TEMPERATURE SELECT UP DOWN ZERO VOLTAGE DETECT BLADE CONTROL INDOOR...

Page 82: ...13 2 Samsung Electronics Block Diagram INDOOR FAN CONTROL SMPS AC COMMUNICATION SUB PCB BUZZER CONTROL...

Page 83: ...CONTROL 4 WAY CONTROL PFC CONTROL COMPRESSOR CONTROL BLDC LED CONTROL INDOOR COMMUNICATION EEPROM R W FAN CONTROL SIGNAL EEV CONTROL SIGNAL 4 WAY CONTROL SIGNAL PFC CONTROL SIGNAL COMPRESSOR CONTROL...

Page 84: ...Block Diagram 13 4 Samsung Electronics DC_LINK CAP B D DIODE IPM OUTDOOR FAN SMPS IGBT...

Page 85: ...type Split type P HB For Western M HB For others PAC Version No Mark the manufacturing specification for each model Split type R22 Use the numeric R410 Use the English alphabet Mark A for the classif...

Page 86: ...5 11 10 5 10 9 5 9 8 5 8 7 5 7 5 0 5 10 15 20 25 30 35 40 45 14 3 Pressure Capacity mark W cal s kcal h Btu h HP kg m s ib m s 1 4 1868 1 163 0 29307 745 7 9 8067 1 3558 0 23885 1 0 27778 0 06999 178...

Page 87: ...se select Cooling or set the desired temperature lower 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 straig...

Page 88: ...t without drying up the inside with Ventilation mold would grow inside resulting in must So open the windows and switch on the Ventilation function to get rid of the saturated smell inside Q Whenever...

Page 89: ...le to install the outdoor unit outside A It is possible to install it at a designated place in the apartment or on the rooftop nearby But it s illegal hanging an angle iron case with the outdoor unit...

Page 90: ...l to release 4 Remove all dust on the air filter with a vacuum cleaner or brush 5 When you finish insert the top of the filter into the slot and fix it to 5 tabs of the grille 6 Clean the front grille...

Page 91: ...remove odours and dust in your room You should clean the filters every 3 months 1 Open the upper front grille by pulling the lower right and left tabs of the grille 2 Pull out the Anti Allergy and De...

Page 92: ...ipe cutter and grind all the burrs of the cut surface 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...

Page 93: ...se the valve of the low pressure side of manifold gauge clockwise Remove the hose of the low pressure side of manifold gauge 7 Check for gas leakage At this time especially check for gas leakage from...

Page 94: ...e air conditioner Relocation of the air conditioner Refer 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 Disconn...

Page 95: ...MEMO Samsung Electronics 14 11...

Page 96: ...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 Dec 2005 Printed in Kor...

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