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SERVICE MANUAL

Model: HA10TG20SW/S/B

20

Issue 2009-7-24

Rev. Ref0907S005V0

5-5.PCB Test

1. The products will enter compulsive starting mode if press the key one time on the control PCB.In
this mode,the compressor and the fan motor start working .
2. The same operation like step 1 again under compulsive starting mode ,The products will enter
forcing defrosting mode .Under this mode,the compressor and fan motor stop working.Defrost heater
starts working.
3. The same operation like step 1 under forcing defrosting mode ,it will back to normal.

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Содержание HA10TG31SW

Страница 1: ...d repair technicians only and is not designed for use by the general public It dose not contain warnings and cautions to advice non technical individuals of potential dangers in attempting to service a product Product powered by electricity should by serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service...

Страница 2: ...sting Heater Parameter 7 2 5 External views 8 2 6 Function Schedule 8 Chapter 3 Disassembly 9 3 1 FRZ Air duct disassembly 9 3 2 REF air duct assembly disassembly 10 3 3 Door disassembly 12 Chapter 4 System flow principle 13 4 1 Refrigeration flow chart 13 4 2 Flow of cold air 14 Chapter 5 Circuit diagram 15 5 1 Brief principle diagram 15 5 2 Control PCB diagram 16 5 3 Defrosting Principle 17 5 4 ...

Страница 3: ...avoid an electrical shock hazard 3 In the case of a live line test insulating gloves should be worn to avoid potential electrical shock 4 Confirm the rated current voltage and capacity before testing with any kinds of instruments 5 Watch if the upper door is open when we check something at a lower position 6 Take out every part in the cabinet before moving the machine especially things like panels...

Страница 4: ...g clearance or power outage Wait at least five minutes to resume the power supply in order to prevent damage to the compressor caused by continuous restart Photo used in this manual The illustration and photos used in this Manual may not base on the final design of products which may differ from the products in some way 1 3 How to read this Service Manual 1 3 1 Using Icons Icons are used to attrac...

Страница 5: ...g water outlet Yes Yes Yes Air circulating ventilator Yes Yes Yes Kind of coolant R134a R600a R600a R600a R600a Voltage frequency V Hz 115 60 115 60 115 60 Input power W A 70 2 70 2 70 2 Length of cable incl plug cm 200 200 200 Temperature range from to 4 18 C 4 18 C 4 18 C Control panel Manual Manual Manual Control panel interior exterior interior interior interior Interior light W 1 5 1 5 1 5 Un...

Страница 6: ...ort Circuited 0 Ω PTC Starter Relay Measure the resistance with a tester Ambient temperature Room temperature 25 C Model QP3 4 7A G1 Normal 4 7 Ω Abnormal Open Ω or Short Circuited 0Ω Overload Protector Measure the resistance with a tester Ambient temperature Room temperature 25 C Model BT78 120 Normal Less than 1 Ω Abnormal Open Ω or Short Circuited 0Ω Running Capacitor Measure the resistance wit...

Страница 7: ...aracteristic Value Unit 1 Rated voltage 115 V 2 Input power 5 9 w 3 Output power 2 2 w 4 Rotate speed with load 3000 rpm 5 Rated frequency 60 Hz 6 Voltage range 104 126 V 2 4 Defrosting Heater Parameter No Characteristic Value Unit 1 Rated voltage 115 V 2 Output power 150 w 3 Heater length 700 mm ...

Страница 8: ... Air cooling and automatic defrosting 2 Round door design and fashion handles 3 Energy saving 4 Adjustable humidity crisper 5 Isolated food shelf 6 Crisper with adjustable moisture A freezer shelf B control panel C shelf D crisper cover E crisper F door shelf G coke shelf H butter tray I door rack A B C D E F G H I ...

Страница 9: ...bly 3 1 FRZ Air duct disassembly 1 Remove four screws which fixed the air passage cover with screwdriver 2 Hold the protruding part of the air passage cover as picture disconnect the fan motor cable connectors and then take off the air passage cover 3 We assemble it according to reverse order ...

Страница 10: ...24 Rev Ref0907S005V0 3 2 REF air duct assembly disassembly 1 Remove three screws which fixed the thermostat house with screwdriver 2 Disconnect all the cable connectors take out the assembly 3 Take off the tape 4 Take off the sensor 5 Remove the LED cover ...

Страница 11: ... HA10TG20SW S B 11 Issue 2009 7 24 Rev Ref0907S005V0 6 Take off the LED 7 Take off the screws and control panel could be removed 8 Take off the knob 9 Take off the foam assembly 10 We assemble it according to reverse order ...

Страница 12: ...mbly 1 Take off the screws which fixed the top hinge box and remove the hinge box 2 Remove the screws which fixed the top hinge take it off 3 Take off the screws which fixed the central hinge 4 Hold the REF and FRZ door with our hands and drag it slightly and then we could take off the door ...

Страница 13: ...E MANUAL Model HA10TG20SW S B 13 Issue 2009 7 24 Rev Ref0907S005V0 Chapter 4 System flow principle 4 1 Refrigeration flow chart 1 Compressor 2 Condenser 3 Filter drier 4 Capillary tube 5 Evaporator 6 Fan motor ...

Страница 14: ... 2009 7 24 Rev Ref0907S005V0 4 2 Flow of cold air A freezer door B door rack C Ref door D door rack E can shelf F door rack G crisper H fan motor I fan cover J freezer shelf K evaporator L defrost heater M air tower N LED O ref shelf P compressor ...

Страница 15: ...Brief principle diagram Brief Description of Control Principle The refrigerator is controlled by control PCB REF sensor controls the operation of compressor also fridge temperature When ambinet is too low ambinet sensor on control PCB will adjust the operation ON OFF point to ensure fridge temperature L N ...

Страница 16: ... SERVICE MANUAL Model HA10TG20SW S B 16 Issue 2009 7 24 Rev Ref0907S005V0 5 2 Control PCB diagram ...

Страница 17: ...ated compressor run time of 3 48 hours according to ambinet temperature door open close 2 2 It will stop defrosting when defrost sensor temperature reach 12 or the defrost time is up to 50 munutes 2 3 If the defrost time does not reach 50 minutes but the temperature reaches 12 the defrost will be stopped immediately 3 Rated defrost heater power 150W Note It must be in rated voltage 115V 60Hz above...

Страница 18: ...32 31 35 93 30 33 84 30 33 07 29 31 88 29 31 16 28 30 04 28 29 37 27 28 32 27 27 69 26 26 70 26 26 12 25 25 19 25 24 64 24 23 77 24 23 25 23 22 43 23 21 95 22 21 18 22 20 73 21 20 00 21 19 58 20 18 90 20 18 50 19 17 86 19 17 49 18 16 89 18 16 54 17 15 97 17 15 64 16 15 11 16 14 80 15 14 30 15 14 00 14 13 53 14 13 25 13 12 81 13 12 55 12 12 14 12 11 89 11 11 50 11 11 27 10 10 90 10 10 68 9 10 33 9 ...

Страница 19: ... 13 3 440 13 3 373 14 3 283 14 3 219 15 3 134 15 3 073 16 2 922 16 2 935 17 2 858 17 2 803 18 2 730 18 2 678 19 2 609 19 2 559 20 2 493 20 2 446 21 2 384 21 2 339 22 2 280 22 2 237 23 2 180 23 2 140 24 2 086 24 2 047 25 1 977 25 1 960 26 1 911 26 1 876 27 1 830 27 1 796 28 1 753 28 1 721 29 1 679 29 1 649 30 1 609 30 1 580 31 1 542 31 1 514 32 1 478 32 1 452 33 1 418 33 1 392 34 1 360 34 1 339 35 ...

Страница 20: ... the control PCB In this mode the compressor and the fan motor start working 2 The same operation like step 1 again under compulsive starting mode The products will enter forcing defrosting mode Under this mode the compressor and fan motor stop working Defrost heater starts working 3 The same operation like step 1 under forcing defrosting mode it will back to normal ...

Страница 21: ...tor is connect well Check if compressor accessories and compressor is normal Adjust temperature setting Decrease the opening frequence 1 Don t put too much food into the refrigerator once 2 Inner compartment should keep some gap so that the air flows and do not block the aire outlet 3 Hot food should be cooled prior to being stored Don t put refrigerator near hot source or sunshiny place Other obj...

Страница 22: ... to check defrost sensor No defrosting Check the resistance of heater on PCB Normal resistance is 93Ω 5 NO Check the resistance of heater in the freezer room YES Check if the fuse is broken if yes change the fuse Check if the voltage of heater N on PCB is normal Normal is 115V YES NO Change PCB Check the voltage of L and N on PCB NO YES Check the power supply ...

Страница 23: ... SERVICE MANUAL Model HA10TG20SW S B 23 Issue 2009 7 24 Rev Ref0907S005V0 Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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