Haier HRF-628AF6 Service Manual Download Page 25 | Manualshive

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SERVICE MANUAL

Model: HRF-628AF6/IF6

25

Issue 2013-04-07

REF. Ref1304S001V0

7-2. Brief principle diagram

AGORA - CONFIDENTIAL - AGORA

Downloaded / printed on Agora software : 16/03/2021

by customer : ADEPEM 75010

AGORA - CONFIDENTIAL - AGORA

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Summary of Contents for HRF-628AF6

Page 1: ...e 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 information by anyone else could result in serious injury or death Haier Group WARNING A G O R A C O N F I D E N T I A L A G ...

Page 2: ...ated test functions 18 5 1 Air damper 18 5 2 Control principle of fan motor 18 5 3 Defrost control 18 5 4 Ice making control 18 5 5 Self testing function 20 5 7 Water inlet quantity setting 21 Chapter 6 System flow principle 22 6 1 System flow scenograph 22 6 2 System flow chart 23 Chapter 7 Circuit diagram 24 7 1 Main control PCB diagram 24 7 2 Brief principle diagram 25 7 3 Sensors and error cod...

Page 3: ...can be avoided 8 If there is a breakdown with the refrigeration system please surrender the machine to the service center else the leaked refrigerant may pollute the atmosphere 9 The refrigerator use AC of 220V with a frequency of 50Hz 10 A big fluctuation of voltage exceed the range 187 242V may cause a start failure of the refrigerator a burn out of the control panel and compressor or an abnorma...

Page 4: ...mation that is not indispensable Caution A caution is used when there is danger through incorrect manipulation may damage equipment loose data get an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury Reference A reference guides to find additional information on a specific topic A G O R A C O N F I D E N T I A L A G O R A D o ...

Page 5: ...15 1 15 Max storage time by power failure Freezer h 5 5 Refrigerant R600a 80g R600a 80g 3 Control panel External control display LED LED Temperature range from to C Fridge 9 1 C freezer 24 14 C Fridge 9 1 C fre ezer 24 14 C Super Cooling Fridge YES YES Super Freezing Freezer YES YES Stand by function Holidays YES YES 4 Basics datas Voltage frequency 220 50 220 50 Input power mains fuse intensity W...

Page 6: ...Super bright LED energy saving brighter better reliability 3 With automatically ice making function Can making ice automatically and get ice ice cubes or cold water through dispenser selection operation 4 Fault code automaticly hiding function 2 3 External views A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o...

Page 7: ...sue 2013 04 07 REF Ref1304S001V0 A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 8: ...assembly 1 Remove the ice store box like picture 2 Loosen two screws from the ice maker supporter 3 Disconnect the ice maker supporter cable and put it out 4 Disconnect the ice crushed motor box cable A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L...

Page 9: ... the diaplay panel with sucker and disconnect the cable 3 Loosening 2 screws fixed the display PCB 5 Loosen four screws fixed the ice crushed motor box and put it out A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 10: ...he cover plank 2 Remove screws and demount cover 3 Disconnect the cable 4 Demount the foam and disconnect the cable A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 11: ... disassembly 1 Remove the screw cover 2 Remove one screw remove the cover with the sucker 3 Disconnect the cable and remove the support A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 12: ... REF Ref1304S001V0 4 Dismantle the below cover A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 13: ...tatus icon J Quick chill icon K Quick freezing icon L Holiday mode icon M Lock icon Lock Mode This feature will lock the temperature and function settings When locked the lock icon will blink and a beep will sound To lock Press and hold the OK button for 3 seconds Fig 2 15 The LOCK icon will switch on and the refrigerator will lock A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p ...

Page 14: ... in this mode the fridge will be automatically set to 17 C To turn on 1 Press the FUNC SET button until Holiday mode is selected Fig 2 16 2 Now press the OK button the HOLIDAY mode icon will turn on To turn off 1 Press the FUNC SET button until Holiday mode is selected 2 Now press the OK button the HOLIDAY mode icon will turn off Quick Cool Mode This function is to chill food quickly so that the f...

Page 15: ...the food The Quick Freeze mode will turn off once it has reached the set temperature Use this feature before putting large quantities of food in to the freezer chamber at any one time We recommend that you turn on the Quick Freeze mode 12 hours in advance as this will lower the temperature in the freezer compartment before you place any food in it To turn on 1 Press the FUNC SET button until Quick...

Page 16: ...erature Press the Frz Temp button Fig 2 20 The freezer temperature display will start blinking which means the freezer section is in the temperature setting mode Press the Frz Temp button to scroll in turn through the freezer temperature range from 14 C through to 24 C Without any further operation in 5 seconds the blinking will stop and the temperature will be set The temperature will also stay s...

Page 17: ...Change Status Icon turn on it is indicating that the water filter requires changing approximately every 6 months After finishing the change press FunctionSelector button for 3 seconds Filter Change Status Icon will disappear Demo mode Under lock mode press function and FRZ set buttons at the same time for 3 sec The alarming beep will aloud then enter demo mode the display board will display 18 04 ...

Page 18: ...r mode the defrost circle is comp working time reach to 4 hours At the normal mode The defrost circle time is alterable it decided by open door close door open door times temperatures When open the door more times the defrost circle is 7 12 hours When open the door less times the defrost circle is 12 20 hours The longest cycle is 73 hours 5 4 Ice making control 1 Control principle When the water e...

Page 19: ...return to ice making delay time to wait another ice detection action and then come into being cycle 4 Ice releasing If the result of ice detection is not full ice box will rotate to release ice After ice releasing machine going on another water in action and then come into being cycle 2 Ice maker testing Under locked state press Dispenser Ice on off for 3 sec when the beep sound open FRZ door with...

Page 20: ...ompressor start work 3 Freezer FAN work with high votage Cooling FAN work with high votage 4 defrost heater off 5 REF air damper open Forced defrost 1 R and F display areas T2 T2 2 Enter defrost mode compressor OFF Freezer Cooloing FAN OFF Defrost heater work if the D SNR 7 D HTR work 10 sec and then quit test 2 mode if the D SNR 7 D HTR will keep working until the D SNR 7 and then quit test 2 mod...

Page 21: ...n 35 to 85 every time you press Ref Temp REF display will reduce 5 and till it display 35 Every time you press Frz Temp REF display will increase 5 and till it display 85 2 Every 5 is equal to 0 5 sec A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L...

Page 22: ...1V0 Chapter 6 System flow principle 6 1 System flow scenograph A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 23: ... 07 REF Ref1304S001V0 6 2 System flow chart A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 24: ...001V0 Chapter 7 Circuit diagram 7 1 Main control PCB diagram A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 25: ... REF Ref1304S001V0 7 2 Brief principle diagram A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

Page 26: ...t side of the REF cabinet measure the temp of the REF compartment Icemaker sensor ICE SNR under the ice box in FRZ measure the temp of the ice box Defrosting sensor D SNR on the top of the evaporator in FRZ measure the temp of the evaporator Freezer sensor F SNR middle of freezer compartment measure the temp of the FRZ compartment Sensor Location A G O R A C O N F I D E N T I A L A G O R A D o w n...

Page 27: ... 89 13 3 373 3 440 44 0 892 0 908 17 15 640 15 97 14 3 219 3 283 45 0 858 0 873 16 14 800 15 11 15 3 073 3 134 46 0 826 0 839 15 14 000 14 30 16 2 935 2 922 47 0 794 0 808 14 13 250 13 53 17 2 803 2 858 48 0 764 0 777 13 12 550 12 81 18 2 678 2 730 49 0 736 0 748 12 11 890 12 14 19 2 559 2 609 50 0 708 0 720 11 11 270 11 51 20 2 446 2 493 70 0 346 0 351 10 10 680 10 906 21 2 339 2 384 9 10 120 10 ...

Page 28: ...an motor failure normal E2 more than 30 seconds without signal 9 failure communication normal E0 No reflect when setting between display PCB and Power PCB no signal transmitted over 2 min 10 Defrosting system failure normal Ed can not reach 12 within 2 hours 11 Icemaker failure normal Er icemaker defective Error code display Attention These error codes cannot be displayed automatically Checking me...

Page 29: ...rtment then water getting to cold in fridge compartment for drink use from dispenser 2 Ice maker principle Water enter into ice maker from water valve which at the back of cabinet then after some time the ice maker test if the ice box if full and pushing ice Then let water into ice maker again to continue a new ice making process A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r ...

Page 30: ...air door cable is not connected properly and install it correctly if not so Verify that the air door acts normally with the Fridge ON OFF key on the display panel The fan does not work while the refrigeration air door is open Please check if the door on off behind the front decoration strip is installed properly Reinstall it correctly if not so Turn on the fridge storage compartment manually The r...

Page 31: ...high while the temperature in the freezer storage compartment is OK The temperature is set too high Set the fridge temperature lower It takes 24 hours for the temperature of the refrigerator to become stable Bad odors in the refrigerator The inside of the refrigerator is dirty The inside of the refrigerator needs cleaning Food with strong odor is stored in the refrigerator Clean the internal of th...

Page 32: ...s defective 4 If the water valve is normal and the water can run into the ice maker under testing mode then check the sensor of ice maker Test if the icemaker sensor resistance is normal using multimeter 5 If no above problems it means that motor is defective and should be replaced replace new ice maker motor or ice maker assembly Problem 2 No crushed ice Problem phenomenon Checking steps Photo de...

Page 33: ...ss the freezing light button press dispenser button See if the selecting valve works or not If not disassemble the delivery motor to see if the plug in of selecting valve is in place or the wire of selecting valve is in good shape Problem4 Drain channel icing for 628 series It has only one defrost heater for 628 series and has no heater in drain channel so defrost heater must close to the drain ch...

Page 34: ...ier Road 266101 Qingdao China http www haier com A G O R A C O N F I D E N T I A L A G O R A D o w n l o a d e d p r i n t e d o n A g o r a s o f t w a r e 1 6 0 3 2 0 2 1 b y c u s t o m e r A D E P E M 7 5 0 1 0 A G O R A C O N F I D E N T I A L A G O R A ...

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