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SERVICE MANUAL

1. Chapter 1 General Information 1 1 General Guidelines When servicing observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged b y the short circuit After servicing see to it that all the protective devices such as insulation barriers insulation p apers shields are pro perly installed After servicing make the following leakage current checks to prevent the customer from being exposed to shock hazards 1 Leakage Current Cold Check 2 Leakage Current Hot Check 3 Prevention of Electro Static Discharge ESD to Electrostatic Sensitive 1 2 Insurance test Check if there is any leak of current Cut out the power supply before the repair to avoid an electrical shock hazard In the case of a live line test insulating gloves should be worn to avoid potential electrical shock Confirm the rated current voltage and capacity before testing with any kinds of instruments Watch if the upper door is open when you check something at a lower position ot SS a YS Take out every part in the cabinet before moving the machine especially things like panels e g glass Shelf Please wear intact cotton gloves when repair any parts of the evaporator so that scratches by the a sharp finscan 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
2. 7 Connector pipe HFD647AS HFD647 AW power cord assembly power board 0064001235 display panel 0061800041 fridge electronic damper BL damper motor 16V GND 5V GN fridge vertical girder heater damper heater BK 1 main control board 0064001128C OT freezer door door switch fridge ice maker 0064001224 BN fridge sensor fridge lamp up fridge lamp y i freezing sensor fridge chamber RD WHIBL WH reezer door switch W evaporator fan use EFi defrost sensor y defrost sensor cable defrost heater freezer upright beam heater water inlet heater freezer room lamp compressor inverter PCB INPUT 220 240V OUTPUT 220 240V FREQUENCY CONVERSION BOARD RD _ice maker water inlet valve resistance capacitance module freezer chamber POWER PLUG i T 0 if gt DOOR DISPLAY PANEL ENVIRONMENT REFRIGHRATOR DAMPER DAMPER MOTOR H UPRIGHT BEAM HEATER ouer HEATER Em 1 CONTROL PANEL 0061800135 REFRIGERATOR DOOR IGHRATOR DOOR ITCH REFRIGHRATOR SENSOR RATOR LAMP FREBZER SENSOR REFRIGHRATOR ROOM FREEZER DOOR SWITCH SO utc FAN QO FREEZER FAN d sil E pernos seso y FREEZER CONTROL CABLE DEFROST HEATER COMPRESSOR INPUT 220 240V OUTPUT 220 240V INVERTER PANEL A m lt a KES S
3. appliance is not in the state of artificial intelligent the Artificial Intelligent Indicator does not illuminate Refrigerator temperature adjustment in the unlocked state press the Refrigerator Adjustment key C The Refrigerator Temperature Indicator H flashes The refrigerator temperature cycles in the sequence of T 35 337 2 17 7 each time you press the Refrigerator Adjustment key C Freezer temperature adjustment in the unlocked state press the Freezer Adjustment key A The Freezer Temperature Indicator E flashes The freezer temperature cycles in the sequence of 167 01 7 187 3 207 227 167 each time you press the Freezer Adjustment Key AL 9 Door open warning lf the door is not properly closed or is opened for an extended period the appliance buzzer will sound at a certain interval to prompt you to close the door properly 10 Energy saving display The backdight of the display goes off 30 seconds after a key operation to save electricity and illuminates when any key is operated or any door is opened 11 Power off memory In the case of power failure the appliance will save the work state at the moment of power failure and continue to work with the work state after the power is recovered A Locking function and time are not saved 12 Time adjustment and display In the unlocked state press and hold down the Refrigerator Adjustment key C and Freezer Adjustment key A for 3 seconds simultane
4. the ice maker could overturn and make ice cube 3 lce detection When ice maker is under working status ice measure st aff move downward firstly to detect if the ice is full If the measure staff can mo ve to the lowest position it means that the ice in ice drawer is not full and it can continue next ice releasing action If the me asure staff can not move to the lowest position machine will take for the ice in ice drawer is full and return to ice making delay time to wait another ice detection action and then come into being cycle 4 lce releasing If the result of ice detection is not full ice box w ill rot ate to release ice After ice releasing machine going on another water in action and then come into being cycle SERVICE MANUAL Model HFD647AS HB21TSSAA 5 5 Self testing Function of HB21TSSAA amp HFD647A Refrigerastor A FRZ TEMP v li REF TEMP C B Function pE Ka ER is OK 1 Hold the REF TEMP setting button C FRZ TEMP setting button A and OK button D three keys for 3 seconds until it show T1 T1 with a buzzer the products will enter compulsive starting mode 2 The same operation like step 1 under mode TEST1 until it show T2 T2 then the product will enter compulsive defrosting mode 3 The same operation like step 1 under mode TEST2 until it show T3 T3 then the product will enter inspection mode of mullion heater and beam heater 4 Under TEST3 mode keep pressing the REF TE
5. L will go off and the icemaker will go off E Adjusting water feeding time of the ice water In the locked state press and hold down the Freezer Adjustment key A Function Selection key B Refrigerator Adjustment key C and Function Confirmation key D for 3 seconds simultaneously to activate the water feeding time adjustment function The freezer temperature indicator displays the integer second of the water feeding time The refrigerator temperaiure indicator cisplays the decimal point and the time Press the Refrigerator Adjustment key C to increase the time and the Freezer Adjustment key D to decrease If no key is operated in 5 seconds or the Function Selection key and Function Confirmation key are pressed to directly confirm the time it will automatically exit the water feeding time adjustment state Upon first powering on the water feeding time is 8 5 seconds each time The consumers are recommended not to change the setting If you do want to change it please contact our aftersales service technician 7 Quick ice making function When you want a large amount of ice cubes you can use the quick ice making function In the unlocked state lightly press the Function Selection key B several times until the Quick Ice Making Indicator M flashes and then press the Function Confirmation key D The Quick Ice Making Indicator M illuminates and the appliance enters the quick ice making state The quick ice making mode will exit automa
6. Rl i 5 ier 2 a Q pe UE ne es Ie L cr gt Fo Remark There is no ICE sensor for model HB21TSSAA ERROR CODE LISTS Error Error description Code Meanings of Code ICE SNR short circuit or open circuit No single send out more than 30 seconds Defrost sensor temperature can t reach to 7 Cooling fan motor malfunction centigrade after temperature rise more than 2 hours Can t detect on off single when icemaker rotate The machine will not display error codes automatically when it is in malfunction Defrost Heating System error Icemaker system malfunction 7 4 Display Error Codes Information Freezer fan motor malfunction No single send out more than 30 seconds SERVICE MANUAL Model HFD647AS HB21TSSAA Under Locked st ate hold and press both FRZ TEMP setting button A and OK button D for 3 seconds with a buzzer the products will enter error codes display mode The same as above operation can recover to normal disp lay status If no manually operation it will recover to normal display status after 1 minute A FRZ TEMP HS D REF TEMP C s U SUI B Function CF KR OK D Chapter 8 Water Line Map HFD647A 8 1 The water line sketch map water bottle Connection the water pipes for the ice maker 1 Connect tap water to the inlet A of the main valve 2 Connect the outlet B of the main valve to the water filter then connect the pipe to the
7. 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 o f the control p anel and compressor or an abn ormal sound from the compressor in operation In this condition an automatic voltage regulator over 750W should be added 11 Take care not to damage the supply line Don t yank atthe line pull the plug out gently from the receptacle Don t press the line under the cabinet or step on it Take care not to roll on or damage the supply line when moves the machine from the wall 12 In the case of leakage of inflammable gases like carbon monoxide open the door and windows Don t pull out or insert the plugs of the appliance 13 Don t touch the refrigeration surface of the freezing compartment when the refrigerator is in operation especially when your hand is wet else you may be glued to the surface 14 Pull out the plug of power suppl y during clearan ce 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 SERVICE MANUAL Model HFD647AS HB21TSSAA AN broto 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 your products in some way 1 3 How to read this Service Manual 1 3 1 Using Icons The meaning of each icon is described in t
8. at BATERE AAAI AM tal a EA EEN DEL Gene E a mn an a GA GA EA mCOCO A taR SERVICE MANUAL Model HFD647 HBR21TSSAA 7 2 Brief principle diagram Haier REFRIGERATOR FREEZER HFD647AS A Power plug B Freezer fan motor C Refrigerator damper Ice maker E Door diaplay panel F1 Refrigerator door switch 1 F2 Refrigerator door switchl 2 15 Humidity sensor F3 Freezer door switchi F4 Freezer door switch GS Control panel H Cooling fan motor l1 Defrost sensor l2 Freezer sensor 13 Refrigerate sensor 4 Enviroment sensor J1 Freezer lamp J2 Refrigerate lamp 1 J3 Refrigerate lamp 2 K1 Crossbeam heater K2 Upright beam heater K3 Water inlet heater L Defrost heater M1 Fuse M2 Fuse M Water valve O Inverter FP Compressor REFRIGERATOR FREEZER HB21TSSAA A Power plug B Freezer fan motor C Refrigerator damper D Door display panel E1 Refrigerator door switch 1 F Control panel EZ Refrigerator doorswitchl 2 H1 Defrost sensor E3 Freezer door switch H3 Refrigerator sensor G Cooling fan motor H5 Humidity sensor HZ Freezer sensor 1 Freezer lamp H4 Environment sensor 13 Refrigerator lamp 2 12 Refrigerator lamp 1 K Defrost heater J Refrigerator heater L1 Fuse L2 Fuse M Inverter N Compressor SERVICE MANUAL Model HFD647AS HB21TSSAA 7 3 Sensor And Error Code Senor Position Se ee a la ee Nd IL
9. due to relatively higher temperature Abnormal sound Adjust the feet to level the refrigerator Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com
10. the pipe The deposing line between the cold water pipe and the refrigerator Drill a hole on the wall or on the floor that is near the wall to a great degree and let the pipe line go through the hole Assure the pipe has an enough margin area about 8 inches 2 4 meters and make it be three circles with the diameter of each circle about 10 inches 25centimeters and after this installment is done the refrigerator can be moved away from the wall 7 Connect the pipe to the valve Put the Tightened nuts and the copper shaft on the end side of the pipe and connect the pipe to the stopping valve Make sure that the pipe is cut into valve completely Tighten and press the nut SERVICE MANUAL Model HFD647AS HB21TSSAA 8 Clean the Pipe Power the main water supply till the water in the pipe becomes clean Turn off the water valve after having used water of about 1V 9 Connect the pipe to the refrigerator A Before connecting the pipe to the refrigerator make sure that the power line is not cut into the electric plug on the wall 1 Tighten the water pipe on the water valve and take the nut off the water pipe 2 And then as shown in the figure connect the end side of the water pipe to the water valve tighter the water pipe using tightening nuts 3 5 Kick Plate Installation EE Er 3 6 Height adjustable Shelf The height of shelf can be adjusted to meet your storage ne
11. C sensor temperature is greater than 10 C a defrost will occur 3 If the FC temperature is above 5 C a defrost will occur 4 Ifthe PC amp FC doors have been opened more than 5 times before the cabinet has run for 5 hours after first being switched on 5 If none of the above conditions 1 2 3 4 have occurred a defrost will take place after 7 hours of accumulative run time terminating when the defrost sensor reaches 7 C The defrost will be aborted after 120 minutes with the defrost sensor failing to reach 7 C Fault code ED will be displayed If the defrost sensor fails a forced defrost will occur every 120 minutes If Fast freeze or fast fridge is selected while the cabinet is in defrost mode these modes will not occur until the defrosting has been completed O CO O In order to minimize the rise in temperature while defrosting the system will go into advance cooling lower the FC temperature below the normal switch point by 3C If the cabinet cannot reach this temperature with in 30 minutes a forced defrost will occur 5 4 Ice making process HFD647AS HFD647AW delay time ice ru cycle ice making cycle 1 Water in The machine let water into ice maker after ice releasing action N Ice making delay time Include two conditions one condition is that the ice ma king time reach to 60 minutes another conditio n is that the ice maker senor te mperature is low er than 14 C It must be meet these two conditions
12. Haief SERVICE MANUAL Order No Ref1104S002V0 Refrigerator MODEL HFD647AS HB21TSSAA This service information is des igned for e xperienced repair technicians only and is not designed for use b y 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 information by anyone else could result in serious injury or death 2011 HAIER ELECTRICAL APPLIANCES COR LTD All right reserved Unauthorized copying and distribution is a violation of law Haier Group SERVCE MANUAL Model HFD647AS HB21TSSAA Contents Table of Contents CCC CEE RT ETUC CECE CCE CORE CECE RCT ne kenen EET R UCIT tai ie T 1 1 General Information CC Ee CTT ELEC Ee nn ben enne ECCT eC ECE CCIE TTL eer err 4 1 1 General guideline 4 1 2 Insurance test 4 1 3 How to read this Service Manual 5 2 Product Feature attente teen 6 2 1 Specifications 6 2 2 Main Functions T 2 3 External views 8 2 4 How to use the crisper 9 2 5 How to use the Delicatessen drawer 9 3 Disassembly eneen enneenensenenenenenenenenennennnenensenenenensenennnenenneneneneneenenenenenen 10 3 1 Installing the Door Handle 10 3 2 Installing and Removing Door 12 3 3 Removing and installing Lower Freez
13. MP setting button C FRZ TEMP setting button A and OK button D three keys for 3 seconds the refrigerator will quit TEST mode and back to normal MODE OPERATION CONTENT NOTE Keep pressing REF l compressor start working Mode TESTI continues until exit TEMP FRZ TEMP 2 freezer fan motor start orking 3 cooling fan motor start orking keys for 3 seconds testing thejuntil lt show T1 T1 capability the products will of cooling 4 defrost heater closed 5 air damper open 90 6 show T1 T1 at refrigerator freezer setting of starting mode SERVICE MANUAL TEST2 Under mode TESTI Keep pressing REF For TEMP FRZ TEMP testing theland OK button three defrost system keys for 3 seconds ntil it show T2 T2 hen the product will enter compulsive defrosting mode nder mode TEST2 Keep pressing REF TEMP FRZ TEMP and OK button three keys for 3 seconds ntil it show T3 T3 heaters then the product For testing assist ill enter inspection ode of mullion heater and beam BACK TO Under TEST3 mode ORMAL keep pressing REF TEMP FRZ TEMP and OK button three keys for 3 seconds he refrigerator will quit TEST mode and back to normal When temperature around defrost 1 compressor shutdown sensor above 7 degree appliance shutdown will exit lt Force defrost MODEL gt 3 defrost heater start workinglafter heater working 1 minute 2 freezer cooling fan motor 4 mullion heater shutdo
14. age You can set the humidity to meet your storage needs 1 Turn the humidity regulator located at the upper right Humidity regulator corner of the crisper up to get a higher humidity suitable for storage of cucumber grape kiwifruit and persimmon etc 2 Turn the humidity regulator located at the upper right corner of the crisper down to get a lower humidity suitable for storage of strawberry orange bean garlic watermelon plum and tomato etc 2 5 How to Use the Delicatessen Drawer The appliance is equipped with a delicatessen drawer with a temperature range from 2 C 3 C The temperature can be adjusted by the air control knob to meet your storage needs 1 Turn the air control knob left weak to reduce the cooled air moving in the delicatessen drawer and maintain a higher temperature 2 Turn the air control knob right strong to increase the cooled air moving in the delicatessen drawer and maintain a lower temperature nan ee Ea cold a ans coder cold e e 6 colder SERVICE MANUAL Model HFD647AS HB21TSSAA Chapter3 Disassembly 3 1 Door handle Installation 3 1 1 Refrigeration door handle 1 Retrieve the handle clearly marked for the Refrigerator Door that needs attachment 2 Insert the Handle Connecting Screws into the holes provided on the Refrigeration Door Using a hand held screwdriver tighten the Handle Connecting Screw until the screw threads disappear and the first f
15. and Installation 1 Remove the screws on the top hinge cover 2 Using a screwdriver remove the top hinge screws Remove the hinge then take the refrigerator door off and place it aside for the time being 3 Remove the middle hinge if needed 4 Install the refrigerant door in reverse sequence Ante lifting up the refrigerator hinge and separating it from the door body please be careful not to drop the door slanted forward SERVICE MANUAL Model HFD647AS HB21TSSAA 3 2 2 Left French door removal and installation 1 First remove the top hinge cover as above hd Disconnect the water line from back of unit a Remove the hinge screws using a screwdriver and take off the hinge then remove the door body and place it in a safe position Disconnect the wire cable connector ground wire and pull water line out from cabinet 4 Please remove the middle hinge if needed 5 Install the door in the reverse order ea lifting the hinge as it separates from the door be careful it does not lean for ward and fall causing you bodily harm or damaging the door 3 3 Removing and installing Lower Freezer Drawer If required 1 First open the drawer as far as possible and then remove the screw on each side of the drawer 2 Then pull the drawer body up and towards you and put it aside in a safe place 3 Install the drawer in the reverse order Keep child
16. ds disappear and the first flat surface of the Handle Connecting Screw touches the Freezer Drawer surface as shown in llustration1 step2 Do not over tighten damage to the door can occur 3 Place the Freezer Drawer Ha ndle onto the Handle Connecting Screws as shown in illustration step3 The Freezer Drawer Handle should rest comfortably on these Connecting Screws 4 Insert the Connecting Bolt in to the holes on the bottom of the Freezer Drawer Handle marked Left Using the provided Hex Driver and tighten until the handle is fixed firmly to the door Repeat this process for the Right side of the Freezer Drawer Handle as shown in illustration 2 step4 Be careful when tightening not to scratch the door surface 5 To disassemble the Refrigeration Door Handle follow these directions in reverse Frari Hars aL Left F L en Urus A i Tilt nl iis Pa en Pat of ihn F i Hardin Illustration 1 Illustration 2 SERVICE MANUAL Model HFD647AS HB21TSSAA 3 2 Inst alling and Removing Door EN mensken During Dismantling and Installation of The Door You may not need to remove the doors But if you have trouble getting the unit into it s final lacation please follow the below door removal and installation instructions Itis suggected for your safety to have two or more people to assist you in completing the below task to avoid bodily injury product damage or properly loss 3 2 1 Right French Door Removal
17. e or not closed tightly This Make sure the refrigerator is level and between two doors causes mixing of the there is no food or container interfer ing cold air in the with the door refrigerator with the warm air outside it Refrigerator operation The compressor does The refrigerator is in It is normal for an auto matic defrosting not work defrosting cycle refrigerator The refrigerator is not Verify the plug is plugged in the socket plugged into a power firmly outlet Press the Power button for 3 second or The refrigerator is in more to restart the refrigerator or turn the OFF state knob from OFF to temperature selection position The fridge storage The air door cable is not Check if the air door cable is not compartment does not connected properly connected properly and install it correctly work if not so Verify that th e air door acts normally with the Fridge ON OFF key on The fan does not work 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 The fridge storage decoration strip is installed prope rly compartment is turned Reinstall it correctly if not so off Turn on the fridge storage comp artment manually The refrigerator runs The indoor or outdoor In this case it is normal for the frequently or runs for temperature is high refrigerator to run longer too long period The refrigerator has Normally it takes 8 to 12 hours for the been po
18. eds To adjust the shelf height remove the shelf first The steps are as follows 1 tilt the shelf up at front and lift it up and out of tracks 2 To replace the shelf wi th shelf front raised slightly engage the lugs in tracks Then lower shelf front until it locks into position Lift and remove i ISS Tilt up in SS ugs Ne lt a zi r ik EN FP replace To remove Ris SERVICE MANUAL Model HFD647AS HB21TSSAA 3 7 Removing Crisper Cover Take out the crisper and put it away Lift up the cover end 1 and remove it 2 3 8 Replacing the Light Bulb refrigerator Bulb specifications 220V 25W Socket E14 DO NOT use a bulb over 25W 1 Unplug the appliance 2 To remove the light shield press the stopper At rear out of the square hole Pull the shield backward until the retainer is Separated from the square hole 3 Turn the bulb anticlockwise and out Replace a Bulb of the same specifications in the reverse sequence of removal 4 To replace the light shield Engaged the retainer Into the square hole and then press the shield Rear forward until the stopper is locked in the square hole SERVICE MANUAL Model HFD647AS HB21TSSAA Chapter 4 Control and display system 1 Control display board A LERZ TEMP dU 16 B Function F a K 4 D A Freezer temperature adjustment key B Functio n setting key C Refrigerator temp
19. er Drawer If required 13 3 4 Water line installation 14 3 5 Kick plate installation 15 3 6 Height adjustable shelf 15 3 7 Removing Crisper Cover 16 3 8 Replacing the light bulb Refrigerator 16 4 Control and display system ee 17 4 1 Control display board 17 4 2 Artificial intelligence setting 17 4 3 Locking Unlocking setting 17 4 4 Quick freezing setting 17 4 5 Quick refrigerating setting 18 4 6 Switch off ice maker 18 4 7 Quick ice making function 18 4 8 Te mperature setting and adjustment 19 SERVICE MANUAL Model HFD647AS HB21TSSAA 4 9 Door open warning 19 4 10 Energy saving display 19 4 11 Power off memory 19 4 12 Time adjustment and display 19 4 13 Ambient temperature display 19 5 Control principle and related test functionNS 20 5 1 Air Damper 20 5 2 Control principle of fan motor 20 5 3 Defrost control principle 20 5 4 Ice making process 21 5 5 Self testing Function 22 5 6 Ice maker Inspection Mode 23 6 System flow principle 24 6 1 System flow scenograph 24 6 2 System flow chart 24 7 Circuit diagramMmee 25 7 1 Main control PCB diagram 25 7 2 Brief principle diagram 27 7 3 Sensor and error code 28 7 4 Display Error Codes Information 28 8 Water line maps 29 8 1 Th e water line sketch map 29 8 2 Water line scenograph 30 8 3 Water inlet quantity setting HFD647A 30 9 Trouble shooting 34 9 1 Frequently problems 31 SERVICE MANUAL Model HFD647AS HB21TSSAA
20. erature adjustment key D Function confirmation key E Freezer temperature indicator F T imer indicator G Ambient temperature indicator H Refrige rator temperature indicator I Artifical intelligent indicator J Quick freezer indicator K Quick refrigerating indicator L Icema ker indicator M Quick ice making indicator N Lock indicator 2 Artificial intelligence setting In the artificial intelligence state the appliance automatically adjusts temperature according to the variation of ambient and compartment temperature without manual adjustment In the unlocked state lightly press the Function Selection key B several times until the Artificial Intelligent Indicator flashes and then press the Function Confirmation key D The Artificial Intelligent Indicator I illuminates and the appliance enters the artificial intelligence state In the artificial intelligence state lightly press the Function Selection key B several times until the Artificial Intelligent Indicator I flashes and then press the Function Confirmation key D The Artificial Intelligent Indicator I goes off and the appliance exits the artificial intelligence state 3 Locking unlocking setting In the unlocked state lightly press the Function Selection key B several times until the Lock Indicator N flashes and then press the Function Confirmation key D The Lock Indicator I illuminates and the appliance enters the locked state In the locked s
21. h food in the refrigerator at one time please activate it In the unlocked state lightly press the Function Selection key B several times until the Quick Refrigerating Indicator K flashes and then press the Function Confirmation key D The Quick Refrigerating Indicator K illuminates and the appliance enters the quick refrigerating state The quick refrigerating state will exit automatically when the temperature reaches the setting If you want to exit the quick refrigerating state manually please lightly press the Function Selection key B several times until the Quick Refrigerating Indicator K flashes and then press the Function Confirmation key D The Quick Refrigerating Indicator K goes off If the quick refrigerating or quick freezing function is activated in the artificial intelligent state the appliance will automatically exit from the artificial intelligent state Likewise if the artificial intelligent function is activated in the quick refrigerating or quick freezing state the appliance will automatically exit from the quick refrigerating or quick freezing state 6 Switching off the ice maker Upon first powering on the icemaker is ON and the Ice Maker Indicator L illuminates If you don t want the ice maker to work please lightly press the Function Selection key B several times in the unlocked state until the Ice Maker Indicator L flashes and then press the Function Confirmation key D The Ice Maker Indicator
22. he table below Note i A note provides information that is not indispensable Caution AN 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 A reference guides to find additional information on a specific topic SERVICE MANUAL Model HFD647AS HB21T SSAA Chapter 2 Product Feature 2 1 SPECIFICATIONS l Product description Refrigerator Freezer Refrigerator Freezel Refrigerator Freezel Type of ap pliance FS free standing BI FS FS built in Total gross volume Total storage volume 518 507 Defrosting M manual A autom atic A A Energy consumption year Frost free system yes yes petros mater outlet ge ge Air circulating wetilaor es e kima of coolant moie R600a 758 Tameem cr cr me Du Temperature range from gt to Input power W Input power WU 220 ft cooling systems KeCompressor 7 Nboomtion RR Ok a EE ES mider AE dT EE EP ese vu Freezing compartment integrated with door Yes vws Seres Senber Fridge Freezer EE EE type grill ass plastio err sr O colorsahite green tetransparent t t SERVICE MANUAL Drawers Plastic drawers fully freezing c
23. lat surface of the Handle Connecti ng Screw tou ches the Refrigerat or Do or surface as shown in llustration1 step2 Do not over tighten damage to the door can occur 3 Place the Refrigeration Door Handle onto the Handle Connecting Screws using the upper hole of the Top Refrig eration Door Handle as shown in illustration 1 step3 The Refrigeration Door Handle should rest comfortably to the door on these Connecting Screws 4 Insert the Connecting Bolt into the hole at the top of the Refrigerator Door Handle Using the provided Hex Driver and tighten until the handle is fixed firmly to the door Repeat this process for the Bottom of the Refrigeration Door Handle as shown in illustration 2 step4 Be careful when tightening not to scratch the door surface 5 Place Bolt Covers into the holes on the handle at the top and bottom and push into place as shown in illustration2 step5 6 To disassemble the Refrigeration Door Handle follow these directions in reverse _ Bolt Gover Kefrige mior Handle Top i a E Connecting Bolt of the andl i Illustration 1 Illustration 2 SERVICE MANUAL Model HFD647AS HB21TSSAA 3 1 2 Freezer door handle 1 Retrieve the handle clearly marked for the Freezer Door that needs attachment 2 Insert the Handle Connecting Screws into the holes provide d on the Freezer Door Using a hand held screwdriver tighten the Handle Connecting Screw until the screw threa
24. never the door is opened Try to open the door as infrequently as possible Reset the temperature Make sure the refrigerator is on a level surface and there is no food or container interfering with the door Clean the condenser Setthe freezer temperature lower It takes 24 hours for the temperature of the compartment is too high while the temperature in the fridge storage compartment is OK The temperature in the The temperature is set fridge storage too high compartment is too high while the temperature in the freezer storage compartment is OK Bad odors in the refrigerator The inside of the The inside of the refrigerator is dirty refrigerator needs refrigerator to become stable Set the fridge temperature lower It takes 24 hours for the temperature of the refrigerator to become stable Clean the internal of the refrigerator cleaning Food with strong odor is stored in the refrigerator Wrap the food tightly If you hear Beeps The fridge storage compartment door is open The temperature in the freezer storage compartment is too high The refrigerator is not located on a level surface Remove objects around it The refrigerator touches some object around it that of flowing water refrigerating system It isa process to prevent dewing It is a de dewing normal phenomenon Closethe door orsilence the alarm manually The alarm is normal when it is first started
25. omp C ele Color of drawer w whitefttransplo ereen w w or CS Chiller Meat salad crisper transparent white Chiler Chiter Vegetable rispers ransparent wte t CRT PS PS oem men men Thermometer interior exieror me mteror oreremporae aiam LED racos ve ve Adjustable thermostat Fast freeze switch function pu ww me W vs ve Freezepa 2 2 ice maker Manual Automatic AM EC tt Adjustable feet front Jrear 2 FRONT 2 FRONT Castors front rear es es Gondenser Back Integrated B B 186 98 76 186 98 76 2 2 Main Functions Removable automatic icemaker Foldaway wine holder Large crisper with humidity adjustment Holiday function Fridge storage compartment can be set on off separately Intelligent alarm function automatic alarm at over temperature malfunction door open SERVICE MANUAL 2 3 External views Refrigerator light Refrigerator compartment Vitamin C Drawer i i Dairy bin i ml Dairy bin Shelf Vertical beam En Wine shelf L a Movable board Cover of crisper Gallon bin Gallon bin Crisper Delicatessen drawer Icemaker Ice spoon P Ice bin Partition wall of freezer drawer Freezer drawer SERVICE MANUAL Model HFD647AS HB21TSSAA 2 4 How to Use the Crisper The appliance is equipped with a crisper for vegetable and fruit stor
26. ously to enter the time adjustment state The Time Indicator F flashes Press and Freezer Adjustment key A to adjust the hour cycling from 1 to 12 Press and Refrigerator Adjustment key CG to adjust the minute cycling from 00 to 59 It will change between AM and PM at the moment of 12 00 AM means Ante Meridian and PM means Post Meridian 13 Ambient temperature display The ambient temperature indicator G displays the ambient temperature at which the appliance is currently operating SERVICE MANUAL Model HFD647AS HB21TSSAA Chapter 5 Control principal and related test functions 5 1 Air Damper 1 The refrigeration air damper is controlled with the fresh food storage te mperature sensor R SNR 2 The air damper is closed from the beginning of defrosting until 15 minutes after the defrosting is finished 3 Upon initial powering on or resetting of the control panel the air damper conducts a close and open cycle before acting according to the control conditions in item 1 4 The air damper will be forced to conduct an open and close cycle if it has been closed for 1 hour After that its closing opening will be controlled by RSNR 5 The air damper will automaticlly close when REF door has been opend over 2 minutes 5 2 Control Principle of the Fan motor Control principal of the evaporator fan motor and fresh food damper 1 When a fresh food door is opened the evaporator fan motor will operate on high
27. ren and pets from playing inside the lower drawer as a hiding place Use caution after drawers and removed due to the possibility of the plastic track protruding from unit HFD647 HB21TSSAA SERVICE MANUAL Model HFD647AS HB21TSSAA 3 4 Water line installation Installation of connecting valves and plumbing must follow all local plumbing guidelines laws and restrictions Install the shutoff valve on a cold water supply line that is frequently used 1 Turn off the main water supplying pipe routine Turn on the nearest tap till the water pipe is cleaned completely 2 Choose the position of the valve Choose a position for the valve that is easy to be approached It is recommended that the valve is connected to the side of a vertical water pipe and if it is really needed to connect the valve to a level water pipe Connect it to the upside of the water pipe not the downside in case the sediment may flow out from the water pipe 3 The hole of the drill valve Drill a hole of 1 4inches on the water pipe using a sharp drill even using an automatic valve Clean the burr left on the water pipe by the drill Use care not to allow water to flow into the drill Tighten the shutoff valve Tighten the pipe tip Tighten the bolts of the pipe tip till the closing begins to expand Don t let the bolts If the pipe tip be too tight otherwise the water pipe is pressed flat 6 The deposing line of
28. speed and the damper will be full open After 2 minutes with the door open the damper will close but the evaporator fan motor will operate according to the compressor function 2 The evaporator fan motor will not operate if the freezer door is open even if the fresh door is open 3 An error code alerting of a fan motor problem will appear see error code section if the motor speed is below 300rpm or does not operate for longer than 30 seconds during the run cycle Condenser fan motor s controlling The motor works with compressor synchronous condenser fan motor has a 12V s power supply voltage while the rotate soeed 1150RPM on normal And high speed operation is 13 5v 1300rpm 5 3 Defrosting Control Principle of HB21TSSAA amp HFD647 Refrigerator Compressor rad Defrost heater Compressor Freezer Fan Air Damper turns off turns off turns on turns on opens FC fan turns off Air Damper Closes Defrost is terminate when the sensor reaches 7 C Accumulative Defrost aborted after 120 minutes compressor run time Failing to reach 7 C 7 hours ED displayed on LCD paned as fault 7 minutes 5 minutes 3 minutes Back to Normal Run Defrost Time is about 30 minutes SERVICE MANUAL Model HFD647AS HB21TSSAA Defrost Heater control rule Defrost heater will be controlled according to the following 1 The very first defrost will occur 4 hours after cabinet has been switched on or after a replacement control board fitted 2 Ifthe P
29. tate lightly press the Function Selection key B several times until the Lock Indicator I flashes and then press the Function Confirmation key D The Lock Indicator I goes off and the appliance exits the locked state In the locked state adjustment of refrigerator temperature freezer temperature artificial intelligent quick freezing quick refrigerating ice maker switching and quick ice making functions are deactivated 4 Quick freezing setting The quick freezing function is designed to keep the food nutrition by making the food completely frozen within the shortest time possible In the unlocked state lightly press the Function Selection key B several times until the Quick Freezing Indicator J flashes and then press the Function Confirmation key D The Quick Freezing Indicator J illuminates and the appliance enters the quick freezing state The quick freezing state will exit automatically after approximately 3 hours If you want to exit the quick freezing state manually please lightly press the Function Selection key B several times until the Quick Freezing Indicator J flashes and then press the Function Confirmation key D The Quick Freezing Indicator J goes off SERVICE MANUAL Model HFD647AS HB21TSSAA 5 Quick refrigerating setting The quick refrigerating function is designed to quickly cool the food in the refrigerator to a set temperature It is helpful for long term storage of food If you have stored muc
30. tically after 24 hours If you want to exit the quick ice making state manually please lightly press the Function Selection key B several times until the Quick lce Making Indicator M flashes and then press the Function Confirmation key D The Quick Ice Making Indicator M goes off If you turn off the icemaker when it is in quick ice making mode it will exit the quick ice making state as well as the ice making state You can activate the quick ice making function only when the icemaker is ON Please make sure the icemaker of your appliance is ON before activating the quick ice making function If you activate quick ice making when the appliance is in the artificial intelligent state it will automatically exit from the artificial intelligent state Likewise if you activate the artificial intelligent when the appliance is in the state of quick ice making it will automatically exit from the quick ice making state Connect to potable water supply only the maximum inlet water pressure 1000k in pascals the minimum inlet water pressure 100k in pascals The pressure of the cold water supplied to the ice maker should be within 100k 1000k in pascals The new hose sets supplied with the appliance are to be used and that old hose sets should not be reused SERVICE MANUAL Model HFD647AS HB21TSSAA 8 Temperature setting and adjustment Temperature setting and adjustment can be performed as with the following operations only when the
31. water bottle 3 The water that is chilled in the wate r bottle flows to the inlet C of the distributor and then enters into pipe D through the icemaker valve to supply water to the icemaker SERVICE MANUAL Model HFD647AS HB21TSSAA 8 2 Water line scenograph 8 3 Water inlet quantity setting Water inlet quantity can be controlled through button on the display control panel Under Locked state press A B C D four keys simultaneously for 3 seconds with the buzzer beeps once then enter into inl et quantity a djustment The inlet time can be set between 5 seconds to 1 1 seconds press FRZ TEMP button and REF TENP button to adjust water inlet time REF TEMP C LI B Function Pe GE OK D SERVICE MANUAL Chapter 9 Trouble shooting 9 1 Frequently problem Water moisture frost in the refrigerator Moisture accumulates Hot and moist climate Accumulation of frost and moisture on the refrigerators The door is not closed accelerate in such climate inner walls tightly Make sure the refrigerator is level and The door is opened too there is no food or container interfer ing frequently or for too with the door long time Do not open the door so frequently Water moisture frost on outside surface of the refrigerator Moisture accumulates Damp climate It is normal in damp climate The moisture on the refrigerator s The refrigerator door is will decrease when the humidity drops outside surfac
32. wered off for a refrigerator to totally cool down period of time Icemaking process makes the refrigerator The automatic icemaker to run longer IS operating Warm air enters the refrigerator and The door is opened too causes it to start frequently Please do not frequently or for long open the door so frequently periods Make sure the refrige rator is level place The door of the fridge and there is no food or container freezer storage interfering with the door compartment is not Setthe temperature higher until tightly closed satisfactory refrigerator temperature is The temperature setting obtained It takes 24 hours for the for the freezer storage refrigerator temperature to become compartment is too low stable SERVICE MANUAL Model HFD647AS HB21TSSAA The door gasket of the fridge freezer storage compartment is dirty worn cracked or mismatched The condenser is dirty Clean or replace the door gasket Leakage g ap of door gasket can cause longer running time of the refrigerator in order to maintain desired temperature Clean the condenser Too high temperature Too high temperature in the fridge freezer storage compartment The temperature in the freezer storage The door is opened too frequently or for too long periods of time Temperature is set too high The door is not closed tightly The condenser is dirty The temperature is set too high Warm air will enter the refrigerator whe
33. wn When temperature around defrost 5 air damper and its heater sensor below 7 degree heater will shutdown work continually until reach 7 6 freezer refrigerator setting degree appliance then exit display T2 T2 at display 1 compressor shutdown Heaters of air damper and 2 freezer cooling fan motor refrigerator mullion heater is under shutdown working exit the inspection 3 defrost heater shutdown 4 Mullion heater and beam to normal heater start working 5 orking program after 30 minutes and back air damper heater start 6 freezer refrigerator setting display T3 T3 at display Function back to normal compressor start to work 7 minutes later 5 6 Ice maker Inspection Mode Under Unlock state press both Function setting button B and OK button D for 3 seconds until hear one sound of buzzer products enter ice maker inspection mode In this mode lce maker will forced turnover once then inhale water according pre setting water volume A FRZ TEMP B Function SERVICE MANUAL Chapter 6 System flow principle 6 1 System flow scenograph 1 Compressor 2 Hot connector pipe 3 Condensor 4 Freezer anti sweat tube 5 Drier filter 6 Capillary 7 Evaporator 8 Suction pipe 9 Connector pipe 10 Compressor DC fan motor 11 Freezer DC fan motor 12 Defrost steel tube heater 1 Compressor 2 Dew proof pipe 3 Condenser 4 Drier filter 5 Capillary 6 Evaporator

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