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NR-BY552 / NR-BY602

12.2 Cover Control

12.3 PCB Control

- Take off Cover sheet at PC door by use cutter as Fig. 1.
- Take off screw at PC door by use screwdriver as Fig. 2.
- Push Cover control up and try to push it in front slowly for locks loose as Fig. 3.

- Take off Lead wire socket which contact at PCB control as Fig. 1.
- Take off screw at PCB control as Fig. 2.
- Use screwdriver push up PAS-Control for loosing from locks slowly and prevention crack as Fig. 3.

Fig. 1

Fig. 2

Fig. 3

Fig. 1

Fig. 2

Fig. 3

   

   

 

Summary of Contents for NR-BY552XS

Page 1: ...ut permission of manufacturer IMPORTANT SAFETY NOTICE WARNING The service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experien...

Page 2: ...erator Instruction Guideline 10 Troubleshooting Guide 10 1 Not cool at all Both PC FC compressor does not operate 10 2 Cool not enough Both PC FC compressor operates 10 3 Eco Navi operation doesn t work PC FC IC cooling condition is normal 11 Schematic Diagram 11 1 Wiring Diagram NR BY552XS XW 11 2 Wiring Diagram NR BY602XS 12 Disassembly Instruction 12 1 LCD Cover 12 2 Cover Control 12 3 PCB Cont...

Page 3: ...st for discharging capacitor Check safety after repairing Check the screws parts lead wires to take in place Check the repairing portion whether circumferential parts are damaged or not Check insulation resistance between supply plug and earth When install refrigerator check condition of supply cord and plug Wipe off the dust on plug Cutting and seal the electric device carefully 1 2 Caution Watch...

Page 4: ...mt Type Charging Amt Type Charging Amt Cylinder Capa Model Name EFI100E13DGH COECS 27 52r s 75 193W 3 40 5 112W Molecular Sieves XH 9 5g R600a 65 5g Freol S 10 215 5ml 105 5 C 61 8 C B 3819K 2 R10 3 899KΩ 3 2 0 A 75 AT 70 C Closed Temp normal 6 0 1 5 C 10 17 cm rev Fin Tube Type Wrapper Type concealed condenser Electric Part Door Switch Defrosting Control Electronic PCB Heating Device for Defrosti...

Page 5: ... Capa Model Name EFI100E13DGH COECS 27 52r s 75 193W 3 40 5 112W Molecular Sieves XH 9 5g R600a 65 5g Freol S 10 215 5ml 105 5 C 61 8 C B 3819K 2 R10 3 899KΩ 3 2 0 A 75 AT 70 C Closed Temp normal 6 0 1 5 C 10 17 cm rev Fin Tube Type Wrapper Type concealed condenser Electric Part Door Switch Defrosting Control Electronic PCB Heating Device for Defrosting Overload Protector Automatic Temp Control De...

Page 6: ...Ratio 3 2 1 1 5 2 5 4 0 2 5 7 0 2 5 22 0 2 5 20 0 2 5 15 0 2 5 4 0 2 5 7 0 2 5 4 0 2 5 5 0 2 5 0 0 2 5 85 15 80 15 65 15 3 2 NR BY602 AT 32 1 C Thermostat Dial Setting Mean Fresh Food Compartment Temp t3 C C C C C C C Mean Freezer Load Temp Vegetable Crisper Temp PC Door Shelf Upper Temp Egg Tray Temp PC Door Shelf Bottom Temp Chilled Case Temp Running Ratio 3 2 1 1 5 2 5 4 0 2 5 7 0 2 5 22 0 2 5 ...

Page 7: ...EEZER LED BRINKING BAD JUDGEMENT INSPECTION OF ILLUMINANCE SENSOR Contents of discussion Illuminance sensor will be added Therefore an inspection of whether to be able to operate normally is necessary In process inspection of illuminance sensor ECONAVI LED blinks at the start of in process inspection check whether ECONAVI LED blinks As long as the illuminance sensor is normal ECONAVI LED goes out ...

Page 8: ...cels to stop compressor Normal operating 6 After restarting does Stop compressor occure 10 times within 2 min 5 IC cancels to stop compressor Normal operating 4 After 10 min does PCB check if IPM protect signal is normal 3 Does system protection cycle for 333 times 8 IC orders to stop compressor for 10 min 2 Does IC receive IPM protect signal 1 IC continues to stop compressor until 1 hour IC indic...

Page 9: ...OMPRESSOR NO YES 8 6 7 IC cancels to stop compressor Normal operating 5 After restarting does Stop compressor occure 10 times within 2 min 4 IC cancels to stop compressor after 10 min 3 Does system protection cycle for 333 times IC orders to stop compressor for 10 min 2 After starting 2 sec does IC detect rpm 5r sec After starting from 2 10 sec does PCB detect rpm over 120r sec 1 IC continues to s...

Page 10: ... 5 IC cancels to stop compressor Normal operating 4 After 10 min does PCB check power supply voltage if it is 180V AC 3 IC orders to stop compressor for 10 min 2 Does power supply voltage drop as condition 0 1 sec and 160V AC 1 IC continues to stop compressor until 1 hour IC indicates Self Diagnosing sign NO IC continues to stop compressor until 1 hour IC indicates Self Diagnosing sign NO Normal o...

Page 11: ...OMP PCB HC LEAK HIGH PRESSURE HC LEAK LOW PRESSURE ILLUMINANCE SENSOR MAX MED FC CONTROL LED MIN Off Blinking Lighting 1 Opening PC door and FC door Push Quick Freezing bottom more than 5 sec 2 After blinking at sec each LED show as below 3 Self Diagnosing function will be automatically cancel after 7 min from start operation How to use Self Diagnosing function Freezer Control button Quick Freezin...

Page 12: ...ton 2 Press the Freezer Control button for 10 seconds until the LED display return to show at MIN position 3 Set 9 Levels mode following below table by pressing the Freezer Control button To reset the setting 9 Levels mode Repeat step 1 2 then the refrigerator return to normal operation mode NR BY552 NR BY602 Cooling Level Step Minimum 1 2 3 4 5 Freezer Control LED Display Cooling Level Step Freez...

Page 13: ... after the defrosting operation is finished Freezer temp control does not operate during Quick Freezing mode The compressor rotation is at the maximum level for Quick Freezing mode How to operate the Quick Freezing mode ON Press the button Quick Freezing Blue light LED turns on Remarks 150 MIN Quick Freezing mode OFF The system will stop operating automatically when it runs for 150 min and return ...

Page 14: ...erator cabinet are helping to prevent Condensation on the outer surface of the cabinet without consuming energy This will make the outer wall of the refrigerator get warm and that is not a malfunction 9 Drinking water bottles beverage bottles such as soft drinks and fruit juices should be sealed closely to prevent odor gets into the bottles The refrigerator does not operate Troubleshooting Before ...

Page 15: ...fect of control PCB Faulty compressor motor Compressor lock Does the Econavi Led turn off and Quick Freezing blink 6 Does the Econavi Led turn off Quick Freezing turn off and Freezer Control LED MAX blink 7 NO NO Does the Econavi Led turn off Quick Freezing turn off and Freezer Control LED MIN blink 8 Break FC thermistor Poor connection between FC thermistor and PCB Gas leakage at high pressure si...

Page 16: ...rmistor Poor connection between FFC thermistor and IC 1 on PCB YES YES YES NO 8 Does thermal fuse blow out Break of DFC thermistor Defect of PCB as like as defect of relay etc Defect of communication circuit and EEPROM circuit of control PCB Plug out and after 7 minute plug in again Termal fuse blows Abnormal of spec of DFC thermistor When resistor of thermistor is bigger as like as 6 1 6 7KΩ at 0...

Page 17: ...r Control LED MAX blinking Does the Econavi Led turn off Quick Freezing turn off and Freezer Control LED MIN blinking Does frost adhere to evaporator much 10 11 12 YES Gas leakage at high pressure side Poor compression Defect of control PCB YES Gas leakage at low pressure side Defect of control PCB Gap of door Defect of control PCB YES ...

Page 18: ...on the ECO NAVI lamp Precondition The refrigerator compartment and freezer compartment are set to 2 Middle Press Freezer button 5 seconds 6 Is the FC temperature 17 C or below 4 3 Does LED indicate Econavi Led or Quick Freezing or Freezer Control LED lighting and blinking Does Quick Freezing function operating 2 Is the temperature control set to 2 Middle for FC 1 Faulty control PCB Faulty operatio...

Page 19: ... 19 11 SCHEMATIC DIAGRAM 11 1 Wiring Diagram NR BY552XS XW NR BY552 NR BY602 ...

Page 20: ... 20 NR BY552 NR BY602 11 2 Wiring Diagram NR BY602XS ...

Page 21: ...by see at Arrow Mark as Fig 2 Use screwdriver push up the LCD cover for lock loose After change LCD lamp or LCD cover put LCD cover at one side left or right and set locks in position as Fig 3 Set LCD cover by see at the bottom of LCD cover as Fig 4 Use hand hit carefully at LCD cover from the top pass to bottom as Fig 5 Fig 3 Fig 4 Fig 1 Fig 2 Fig 5 NR BY552 NR BY602 Locks ...

Page 22: ... use screwdriver as Fig 2 Push Cover control up and try to push it in front slowly for locks loose as Fig 3 Take off Lead wire socket which contact at PCB control as Fig 1 Take off screw at PCB control as Fig 2 Use screwdriver push up PAS Control for loosing from locks slowly and prevention crack as Fig 3 Fig 1 Fig 2 Fig 3 Fig 1 Fig 2 Fig 3 ...

Page 23: ...tain method Take off Crisper handle Explode part of Crisper As as Fig 1 Actual part of Crisper handle as Fig 2 Take off by use both thumbs press at buttons under Crisper handle for unlock can hear 1 click each side as Fig 3 and Fig 4 Fig 2 Fig 3 Fig 1 Fig 4 ...

Page 24: ...e as Fig 7 Explode parts of Crisper handle as Fig 8 To lock Spring crisper with Handle sub as as Fig 9 Fig 5 Fig 6 Fig 8 Fig 9 Fig 7 To ass y Shaft crisper from hole left side through Spring crisper and finish at hole right side as Fig 10 To check Shaft crisper must be ass y center as Fig 11 Shaft crisper must be lock with hole complete as Fig 12 Fig 10 Fig 11 Fig 12 HANDLE SUB AS SHAFT CRISPER SP...

Page 25: ...Fig 15 Fig 13 Fig 14 Fig 15 Must be checked inside of Crisper handle to lock complete before use Piece crisper handle double lock must be ass y Piece crisper handle correct way as Fig 16 Fig 17 To push down by both hands at Piece crisper handle for lock inside as Fig 18 Fig 16 Fig 17 To push Crisper handle by both hands for lock it complete as Fig 19 To check Crisper handle for lock complete as Fi...

Page 26: ... REPLACEMENT PARTS LIST 13 1 Parts Exploded View Body NR BY552 NR BY602 6 5 8 9 7 10 18 23 27 25 36 32 40 35 37 38 39 41 33 34 31 1 2 3 4 11 15 14 12 16 11 13 19 20 29 28 21 30 26 24 22 42 43 44 49 50 51 52 45 46 47 53 48 55 54 20 1 ...

Page 27: ...R BY552 NR BY602 57 58 62 65 66 67 68 59 64 60 61 56 13 2 Parts Exploded View Door 70 69 71 75 74 76 77 73 72 86 84 85 87 86 84 85 83 For NR BY602 82 81 83 For NR BY552 82 81 87 88 89 79 78 79 78 80 80 63 63 ...

Page 28: ... Exploded View Packing NR BY552 NR BY602 STICKER BARCODE PACKING BELT FOR PROTECT GLASS TRAY SLIDE INS PC PAD 552 INS PC PAD 602 PROTECTOR DOOR AS FOAM TOP PAD L R PLASTIC COVER SHEEL SIDE PAD BOTTOM TRAY AS MIN MAX ...

Page 29: ...RAC 201540 DOOR SW 11 CNRAG 153290 HINGE CENTER 13 CNRAE 139010 CASTER L AS 14 CNRBC 324010 CASTER R AS CNRBC 324020 CAP PAN H 4TS ST 15 CNR39 162720 CAP PAN H 4TS W 16 CNR39 162431 SENSOR DEF 18 CNRAG 140111 COIL 19 CNRAF 177440 COVER RADIANT 21 CNRAG 163050 HEATER AS DEFROST 22 CNRAG 163041 INS COVER COIL F 23 CNRAF 177452 COVER COIL 24 CNRAF 177372 PLATE FC 25 CNRAH 261411 CASE FCT 26 CNRAH 261...

Page 30: ... 163022 COVER VC LED 61 CNRAH 261301 AG BIO FILTER 62 CNRAH 245521 PIECE DUCT PC 63 CNRAH 261460 INS CONTROL PANEL PCB 65 BAFFLE DAMPER THERMO AS 66 CNRAH 261291 CNRBG 184010 INS CONTROL PANEL PCF 67 CONTROL PANEL 68 GASKET DOOR PC 69 EMBLEM 70 DOOR AS PC FOAM XS 71 CNRAH 261282 SHELF PC R 80 CNRAD 330711 SHELF PC L 81 CNRAD 330701 SLIDE STOPPER BOTTLE 82 CNRAD 330941 SHELF BOTTLE 83 CNRAD 330693 ...

Page 31: ...CNRBK 127650 CNRBK 127660 CNRBK 119721 FOR XS1D FOR XSMY FOR XSSG FOR XSVN FOR XS1N FOR XSAU NZ FOR XSPH FOR XWAU NZ FOR XSTH FOR XSMY FOR XSSG FOR XS1D FOR XSVN FOR XS1N FOR XSPH FOR XSAE FOR XSWG SIDE RIGHT SIDE LEFT FOR XSTH FOR XSMY FOR XSSG XSPH FOR XS1D FOR XSVN FOR XS1N FOR XSAE XSWG FOR XSAU NZ XWAU NZ FOR PROTECT GLASS TRAY SLIDE FOR PROTECT GLASS TRAY SLIDE FOR BOTH SIDE BY602 XS XW XS 1...

Page 32: ...CE REVISION ITEM NO PAGE DETAIL REMARK JAN 2012 1 4 ADD THAILAND MODEL FOR MODEL NR BY552XS FEB 2012 1 26 29 ADD SENSOR FCC ADD PICTURE PART NAME NO 2 29 31 ADD PART NAME NO AND Q TY FOR MODEL NR BY552XSTH NR BY552 NR BY602 ...

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