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SERVICE MANUAL

Model: HB21FC45N*

39

Issue 2010-07-05

Rev. Ref1007S019V0

9-4. The error code

9-4-1.When the refrigerator sensor (R SNR) is in malfunction, it shows F1 on cabinet

display panel.

How to check:

1. Check whether the connector of main control PCB is in right position.
2.Test the resistance between two white wire(CON1), the normal resistance should be 1

～

6K ohm

approximately, if the ohm number is infinite or zero, it means the sensor or the connecting wire is
defective.

9-4-2. When the ambient temperature sensor (RT SNR) is in malfunction, it shows F3 on

cabinet display board.

How to check:

1. Check whether the connector of main control PCB is in right position;
2. Test the resistance between two white wires(CON5), the normal resistance should be 1

～

6K ohm

approximately, if the ohm number is infinite or zero, it means the sensor or the connecting wire is
defective.

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Содержание HB21FC45N Series

Страница 1: ...y 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 information by anyone e...

Страница 2: ...he Door Handle 10 3 2 Installing and Removing Door 12 3 3 Removing and installing Lower Freezer 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 Removal of ice maker and evaporator cover 17 4 Control and display system 19 4 1 The top refrigerator control center 19 4 2 Fresh food temperature adjustme...

Страница 3: ...Ice maker 24 5 5 Ice making process 25 5 6 TEST mode functions 26 6 System flow principle 27 6 1 System flow scenograph 27 7 Circuit diagram 28 7 1 Main control PCB diagram 28 7 2 Brief principle diagram 31 7 3 Sensor and error code 32 8 Water line map 34 8 1 The water line sketch map 34 8 2 Water line scenograph 35 9 Trouble shooting 36 9 1 Trouble shooting and repair 36 9 2 No making ice 38 9 3 ...

Страница 4: ... wear intact cotton gloves when repair any parts of the evaporator so that scratches by the sharp fins 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 115V with a frequency of 60Hz 10 A big fluctuation of voltage exceed the range 115 127V may...

Страница 5: ...ce Manual 1 3 1 Using Icons The meaning of each icon is described in the table below Note A note provides information 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 refer...

Страница 6: ...s yes yes Kind of coolant R134a R134a R134a 3 Technical data Voltage frequency V Hz 115V 60 115V 60 115V 60 Temperature range from to F 6 4 6 4 6 4 Refrigerator F 36 42 36 42 36 42 Chiller Meat Crisper F 32F 32F 32F Vegetable Crisper F 34 40 34 40 34 40 Freezer F 6 4 6 4 6 4 Cooling system K Compressor A Absorption K K K 4 Equipment accessories Control panel Interior exterior Interior Interior Int...

Страница 7: ...c 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 Gross weight kg 148 5 148 5 148 5 7 Service User manual English F S English F S English F S ...

Страница 8: ...MANUAL Model HB21FC45N 8 Issue 2010 07 05 Rev Ref1007S019V0 2 3 External views Fridge storage compartment Freezer Drawer Structure Ice maker box Bottom door drawer Ice cream drawer Drawer divider Bottom drawer ...

Страница 9: ...r 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...

Страница 10: ...ccur 3 Place the Refrigeration Door Handle onto the Handle Connecting Screws using the upper hole of the Top Refrigeration 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 h...

Страница 11: ...tration1 step2 Do not over tighten damage to the door can occur 3 Place the Freezer Drawer Handle onto the Handle Connecting Screws as shown in illustration1 step3 The Freezer Drawer Handle should rest comfortably on these Connecting Screws 4 Insert the Connecting Bolt into the holes on the bottom of the Freezer Drawer Handle marked Left Using the provided Hex Driver and tighten until the handle i...

Страница 12: ...ve 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 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 t...

Страница 13: ... if needed 5 Install the door in the reverse order When lifting the hinge as it separates from the door be careful it does not lean forward 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 an...

Страница 14: ...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 4 Tighten the shutoff valve 5 Tighten the pipe tip Tighten the bolts of the pipe tip till the closing begins to expand Don t let the bolts lf the pipe tip be too tight otherwise the water pipe is pressed flat 6 The deposing line of the pipe The deposing ...

Страница 15: ...er 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 The kick plate is packed in the fresh food compartment Attach the panel with the screws provided 3 6 Height adjustable Shelf The height of shelf can be adjusted to meet your storage needs To adjust the shelf height remove the s...

Страница 16: ...SERVICE MANUAL Model HB21FC45N 16 Issue 2010 07 05 Rev Ref1007S019V0 3 7 Removing Crisper Cover Take out the crisper and put it away Lift up the cover end 1 and remove it 2 ...

Страница 17: ... on each side of the freezer drawer pull the buckle A upward picture 2 until the buckle A is separated from the slot of the drawer slide then remove the buckle according to the direction of the arrowhead picture 3 2 Remove the bracket and slide bracket 3 Remove ice maker 1 Remove only one screw 2 Press the clip and pull the ice maker outside and disconnect the connector then remove the ice maker C...

Страница 18: ... HB21FC45N 18 Issue 2010 07 05 Rev Ref1007S019V0 4 Remove all slides and brackets on the left side of the freezer compartment and disconnect the connector Pull the cover from left to right then remove the evaporator cover ...

Страница 19: ...esh food temperature control center will flash When the temperature is set the temperature range is 34 to 44 degrees F Each time you press button K temperature will increase a level until the highest temperature level is reached Each time you press J the temperature will decrease a level until the lowest temperature level is reached 4 3 Freezer temperature adjustment Press button F or button G on ...

Страница 20: ...ode The refrigerator will stop express chill mode if the storage temperature is 2 F lower than its desired temperature or after 3 hours pass If you want the refrigerator to exit express chill mode press button L again The express chill button indicator will go out and the refrigerator will exit express chill In the express chill mode the evaporator fan motor will operate at HIGH speed 4 6 Quick ic...

Страница 21: ...If there is no buzzer sound the LED screen light will go out and all the lamps and chimes will not function Press button E and L at the same time for 3 seconds again and the Sabbath function will turn off after the buzzer sounds The LED screen light will now be will now be operational 4 9 Celsius Fahrenheit conversion function Press button F G and J on the control center at the same time for 3 sec...

Страница 22: ...nergy saver 1 The energy saver button is initially set to ON You can see ES on the right display for 3 seconds if you open the refrigeration doors then it will turn back to show the refrigeration temperature 2 By pressing and holding the energy saver button M on the control panel for 5 seconds you can turn on or off the energy saver feature 3 ES will appear only when the energy saver in the ON pos...

Страница 23: ... 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 ...

Страница 24: ...7 the heater will quit after working 1minutes Reverse heater will keep working Refrigerator vertical mullion heater one on off cycle every 15 seconds 5 4 Working Principle of the Ice maker 1 The automatic ice maker located in the freezer room which can make ice cube automatically 2 Water level adjustment Press and hold F G and J K for 3 seconds This is a time fill The water inlet fill time will be...

Страница 25: ...utes another condition is that the ice maker senor temperature is lower than 14 It must be meet these two conditions the ice maker could overturn and make ice cube 3 Ice detection When ice maker is under working status ice measure staff move downward firstly to detect if the ice is full If the measure staff can move to the lowest position it means that the ice in ice drawer is not full and it can ...

Страница 26: ...art working 4 Defrost heater closed 5 Air damper open 90 6 Show T1 T1 at display board Mode TEST1 continues until exit manual TEST2 STEP AS ABOVE 1 Compressor shutdown 2 Evaporator condenser fan motor shutdown 3 Defrost heater start working 4 Air damper and its heater shutdown 5 Refrigerator vertical mullion heater shutdown 6 Freezer refrigerator setting display T2 T2 at display board Quit the mod...

Страница 27: ...SERVICE MANUAL Model HB21FC45N 27 Issue 2010 07 05 Rev Ref1007S019V0 Chapter 6 System flow principle 6 1 System flow scenograph ...

Страница 28: ...SERVICE MANUAL Model HB21FC45N 28 Issue 2010 07 05 Rev Ref1007S019V0 Chapter 7 Circuit diagram 7 1 Main control PCB diagram ...

Страница 29: ...n them is 10 9 25 19K ohm relevant to 10 25 the range of the resistance is 2 49 1 61K ohm at ambient temperature relevant to 20 30 3 4 are for the defrosting sensor the range of the resistance measured shall be the same to the freeze sensor 5 6 are for the light of the freeze cabinet They will be are connected when the freezer door is open and vice versa 7 9 are for the condenser fan motor 8 9 can...

Страница 30: ... future use 3 is for the main valve of water supply You can measure the working voltage between this wire and the neutral wire AC 220V 4 connects the water inlet valve of the icemaker You can measure the working voltage of the water inlet valve between this wire and the neutral wire AC 220V 5 is reserved for future use 6 connects the neutral wire of the power supply to the frequency conversion boa...

Страница 31: ...SERVICE MANUAL Model HB21FC45N 31 Issue 2010 07 05 Rev Ref1007S019V0 7 2 Brief principle diagram ...

Страница 32: ...SERVICE MANUAL Model HB21FC45N 32 Issue 2010 07 05 Rev Ref1007S019V0 7 3 SENSOR AND ERROR CODE 4 ...

Страница 33: ...efrigerator temperature display window 9 Ice maker failures Er freezer temperature display window 10 Humidity sensor Eh freezer temperature display window When the machine is in malfunction the appliance can not display error codes automatically Press the freezer temperature setting button G and fridge temperature setting button J and K three control key combinations for 3 seconds error codes will...

Страница 34: ...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 water bottle 3 The water that is chilled in the water 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 B D C A B C ...

Страница 35: ...SERVICE MANUAL Model HB21FC45N 35 Issue 2010 07 05 Rev Ref1007S019V0 8 2 Water line scenograph ...

Страница 36: ... button for 3 second or more to restart the refrigerator or turn the knob from OFF to temperature selection position The fridge storage compartment does not work z The air door cable is not connected properly z The fan does not work z The fridge storage compartment is turned off z Check if the air door cable is not connected properly and install it correctly if not so Verify that the air door acts...

Страница 37: ...rtment is OK z The temperature is set too high z Set the freezer temperature lower It takes 24 hours for the temperature of the refrigerator to become stable The temperature in the fridge storage compartment is too high while the temperature in the freezer storage compartment is OK z The temperature is set too high z Set the fridge temperature lower It takes 24 hours for the temperature of the ref...

Страница 38: ...alve with AC 220V directly to check if it can open normally the water valve is good if can open or it is bad 7 If water valve is working well and ice maker inlet water under inspection mode so we can test sensor of ice maker 9 3 Ice glomeration 1 Check if the icemaker stays in horizontal plane otherwise the water will flow out of the ice box 2 Open the door of the freeze cabinet adhere a tape to t...

Страница 39: ...al resistance should be 1 6K ohm approximately if the ohm number is infinite or zero it means the sensor or the connecting wire is defective 9 4 2 When the ambient temperature sensor RT SNR is in malfunction it shows F3 on cabinet display board How to check 1 Check whether the connector of main control PCB is in right position 2 Test the resistance between two white wires CON5 the normal resistanc...

Страница 40: ...2 Disconnect the connector Test the resistance between two black wires the normal resistance should be 1 20K ohm approximately if the ohm number is infinite or zero it means the sensor or the connecting wire is defective If the sensor is normal reconnect the connector 3 Check whether the connector of main control PCB is in right position 4 Test the resistance between two black wires CON4 the norma...

Страница 41: ...status 2 Disconnect the connector test the resistance between two black wires the normal resistance should be 1 30K ohm approximately if the ohm number is infinite or zero it means that the sensor is defective If the sensor is normal reconnect the connector 3 Check whether the connector of main control PCB is in right position 4 Test the resistance between two red wires CON4 the normal resistance ...

Страница 42: ...f there is any clean the joint and reconnect 3 Test the resistance between two black wires the normal resistance should be 1 30K ohm approximately if the ohm number is infinite or zero it means that the sensor is defective If the sensor is normal reconnect the connector 4 Check whether the connector of main control PCB is in right position 5 Test the resistance between two gray wires of connector ...

Страница 43: ...t and power cord for proper voltage and continuity NO NO Will the compressor start in test mode YES Compressor is OK Are the connectors on the main control PCB display PCB Inverter PCB and the compressor terminals connected properly NO Are the signal and line voltage connectors properly connected YES YES Is the resistance test of the compressor winding within specifications Change the compressor N...

Страница 44: ...ell it can be judged the control panel failed 4 If the condenser fan does not run check if the DC voltage at the fan connector which should be about 12V if it is Okay it can be judged the condenser fan failed if it is not so check if the wires from the fan connector to CON4 terminals of the control panel are in connection If it is so it can be judged the main control board failed Solution 1 If the...

Страница 45: ...SERVICE MANUAL Model HB21FC45N 45 Issue 2010 07 05 Rev Ref1007S019V0 Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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