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SERVICE MANUAL

 

Model: HRF-800DGS8 

19

Issue  2014-11-13 

REF.  

Ref1411S025V1 

7-3. Sensors and error codes   

Sensor Location 

 

 

Sensor name 

marker 

Location 

Fuction 

Freezer sensor 

F SNR 

Middle of below freezer wind 

passage assembly 

Measure the temp. of FRZ 

compartment 

REF sensor 

R SNR 

Middle of below REF wind 

passage assembly 

Measure the temp. of REF 

compartment 

My zone sensor 

S SNR 

In my zone drawer 

Measure the temp. of 

zone drawer 

FRZ defrost 

sensor 

RD SNR 

In FRZ evaporator assembly 

Measure the temp. of   

FRZ evaporator 

RT sensor 

RT SNR 

Under the right hinge box 

Measure the temp. of 

circumstance 

REF defrost 

sensor 

FD SNR 

In REF evaporator assembly 

Measure the temp. of REF 

evaporator 

 

 

 

 

Summary of Contents for HRF-800DGS8

Page 1: ...t 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 else could r...

Page 2: ...assembly 10 3 3 Display Panel Disassembly 11 Chapter4 Control and display system 12 Chapter 5 Control principal and related test functions 15 5 1 Control principle of fan motor 15 5 2 Defrost control 15 5 3 Self testing function 15 Chapter 6 System flow principle 16 Chapter 7 Circuit diagram 17 7 1 Main control PCB diagram 17 7 2 Brief principle diagram 18 7 3 Sensors and error codes 19 7 4 The co...

Page 3: ...e 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 220V with a frequency of 50Hz 10 A big fluctuation of voltage exceed the range 187 242V ma...

Page 4: ...this Service Manual 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 reference gui...

Page 5: ...reezer compartment total l 335 Freezing capacity kg 24 h 16 Energy consumption kWh year 347 Energy consumption EN153 kWh 24 h 0 95 Max storage time by power failure Freezer h 15 Refrigerant R600a 80g 3 Control panel External control display LED Temperature range from to C Fridge 9 1 C freezer 24 14 C Super Cooling Fridge YES Super Freezing Freezer YES Stand by function Holidays YES 4 Basics datas ...

Page 6: ...ting system with air cooling and frostless function Multi temperature zone with independent control double evaporator refrigerating system multipath air supply refrigerating cycle Ultrathin oversized and super luxurious design Ultrathin size oversized volume big cold store space and big refrigeration space The refrigerating chamber consists of top grade stalinite commodity shelf and big size fruit...

Page 7: ...SERVICE MANUAL Model HRF 800DGS8 7 Issue 2014 11 13 REF Ref1411S025V1 2 3 External views ...

Page 8: ... when demount the refrigerator 3 1 REF freezer wind passage disassembly 1 Remove the screwcover and then remove the screw with cross screwdriver See red area on the picture 2 Hold the windboard red area on picture of wind passage with your hand and then pull it out a little 3 Disconnect the connector of wind passage red area on picture and put it out ...

Page 9: ...sue 2014 11 13 REF Ref1411S025V1 4 Loosen screws fixed the wind passage and put it out 5 Hold the wind_out_let of below wind passage assembly pull it out a little Disconnect the connector of wind passage red area on picture and put it out ...

Page 10: ...2 Control PCB disassembly disassemble or open control PCB only for professional 1 Turn off the power supply 2 Loosen screws fixed the control PCB cover and put it out 3 Pull out the pin of cable 4 Change the damaged control PCB 5 Close control PCB cover and fix it with screw ...

Page 11: ...CE MANUAL Model HRF 800DGS8 11 Issue 2014 11 13 REF Ref1411S025V1 3 3 Display Panel Disassembly 1 Loosening screw fixed the cover of control panel assembly 2 Remove the diaplay panel and disconnect the cable ...

Page 12: ...GS8 12 Issue 2014 11 13 REF Ref1411S025V1 Chapter4 Control and display system Control Panel A Frz Ref selection icon B Temperature adjustment C Super cool icon D Super freeze icon E Fuzzy icon F Holiday icon G Lock icon H Lock halo ...

Page 13: ...y The Super Cool mode accelerates the cooling of fresh food and protects the goods already stored from undesirable warming The factory setting temperature is 2 C Tap Super cool icon C to switch on off Super Cool mode The icon C being highlighted means the Super Cool mode is on while the icon C being half lit means the mode is off In the Super Cool mode the refrigerator will automatically switch of...

Page 14: ...You can slide the Temperature adjustment icon B up and down to select the required temperature range To lower the temperature slide up and otherwise slide down The optimal cooling temperature in the cooling area is 4 C If you make no adjustment in 5 seconds after tapping the current temperature range will be displayed Tap any other icon to confirm the set range Adjust the Temperature for Freezer T...

Page 15: ...peratures 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 3 Self testing function 1 Force start Under locked mode press Set Ref Temp OK Frz Temp A D B C A one by one within 5 sec then press Set and the REF and RFZ display icon will display T1 T1 2 Forced defrost Keep the current state and...

Page 16: ...UAL Model HRF 800DGS8 16 Issue 2014 11 13 REF Ref1411S025V1 Quit Keep the current state press Set then will be present T3 T4 back to normal display control and escape from test mode Chapter 6 System flow principle ...

Page 17: ...SERVICE MANUAL Model HRF 800DGS8 17 Issue 2014 11 13 REF Ref1411S025V1 Chapter 7 Circuit diagram 7 1 Main control PCB diagram ...

Page 18: ...SERVICE MANUAL Model HRF 800DGS8 18 Issue 2014 11 13 REF Ref1411S025V1 7 2 Brief principle diagram ...

Page 19: ...of FRZ compartment REF sensor R SNR Middle of below REF wind passage assembly Measure the temp of REF compartment My zone sensor S SNR In my zone drawer Measure the temp of zone drawer FRZ defrost sensor RD SNR In FRZ evaporator assembly Measure the temp of FRZ evaporator RT sensor RT SNR Under the right hinge box Measure the temp of circumstance REF defrost sensor FD SNR In REF evaporator assembl...

Page 20: ...or open circuit 7 My zone sensor failure F5 My zone sensor s short circuit or open circuit 9 failure communication E0 No reflect when setting between display PCB and Power PCB no signal transmitted over 2 min 10 Freezer fan motor failure E1 Freezer fan motor low rev 11 Cooling fan motor failure E2 Cooling fan motor low rev 12 REF fan motor failure E6 REF fan motor low rev 13 REF defrost failure EC...

Page 21: ...The mode don t memory function after the power failure B Clear EEPORM Entry Methods Press Temperature zone all through and press lock icon five times Buzzer sounds once Function mode Empty Information in the EEPROM refrigerator returns to the first state of power on Exit Methods Press and exit automatically C Fault code Entry Methods Press Temperature zone all through and press fast freeze five ti...

Page 22: ...greater than the starting point fridge s small wind door will open or will close 8 2 The defrosting control introduction First power on to defrost under fault state compressor accumulatively work 5Hr enter the state of defrosting fridge and freezer defrosting frozen at a time And do statistic and judgment according to the running time of compressor and refrigeration frozen door switch s opening ti...

Page 23: ... more frequently according to the different frequency compressor defrost one time every working 3 6 hours When fridge door open less times according to the different frequency compressor defrost one time every working 6 12 hours The longest time for defrosting is refrigerator running 72 hours ...

Page 24: ...3 Adjustable hinge door body can adjust hinge to be even Adjust Repair Screwdriver multimeter poke rod 3 Fridge is in deep freeze cooling 1 Closing the fridge air outlet detect air outlet position and assembly whether cold air blowing around if that is not tightly sealed 2 Take fridge electric air outlet apart repeatedly switching freezer detect whether air door can freely switch on off and close ...

Page 25: ...fuse is normal 4 Detecting contact of above components connector is normal 5 Enter mandatory defrosting detecting heating fuse heat up and main control panel has output voltage 6 If above condition is normal because defrosting sensor to sense the temperature is not in time you can move defrosting sensor s location down to about 10cm Note displaying Ed means defrosting system is bad and not means c...

Page 26: ...ssue 2014 11 13 REF Ref1411S025V1 5 Evaporator may send the ice cracked voice in the defrosting process this is a normal phenomenon while defrosting attenuation mud 3 Adjust the bottom seat ensure each seat to stress for avoiding resonance ...

Page 27: ...SERVICE MANUAL Model HRF 800DGS8 27 Issue 2014 11 13 REF Ref1411S025V1 Sincere forever Haier Group Haier Industrial Park No 1 Haier Road 266101 Qingdao China http www haier com ...

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