Panasonic NR-BY551MS, Service Manual

Page 1: ...ssion 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 experienced prof...

Page 2: ...or Instruction Guideline 9 Troubleshooting Guide 9 1 Not cool at all Both PC FC compressor does not operate 9 2 Cool not enough Both PC FC compressor operates 10 Schematic Diagram 10 1 Wiring Diagram NR BY551MS 10 2 Wiring Diagram NR BY551SS 10 3 Wiring Diagram NR BY551VS XS 10 4 Wiring Diagram NR BY601VS XS 11 Disassembly Instruction 11 1 LCD Cover 11 2 Cover Control 11 3 PCB Control 11 4 Feature...

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: ...st Heater Overload Protector Running Capacitor Defrost Sensor DFC FC Sensor FCC Defrost Thermal Fuse Light Device PC Light Device Crisper Type Rating Type Rating Type Type Rating Type Rating Type Rating Type Rating Type Rating Type Rating Type Rating 1 Ambient Temp over 34 C 8h 2 Ambient Temp 23 C 33 C 8h 3 Ambient Temp under 22 C 13h 4 Power on 4h Rated time Inverter Induction 250V 10A 73 C LED L...

Page 5: ...ing 1 Ambient Temp over 34 C 8h 2 Ambient Temp 23 C 33 C 8h 3 Ambient Temp under 22 C 13h 4 Power on 4h Rated time 250V 0 5A Vacuum Formed ABS resin 602L FC 153L PC 449L 775 745 511L 215 5ml freol S 10 FC 99L PC 412L 1846 FC Electronic control PCB MM6 8V41 220V 198W PAS BY601X 86 Kg DC 14V 1 54W EFI100E13DGH COECS Wrapper Type concealed condenser FBA11J14VXA Ø 110mm prop fan Box Type NTC B 3850K 2...

Page 6: ...rature t3 C C C C C C C Mean Freezer Load Temperature Vegetable Crisper Temperature PC Door Shelf Upper Temperature Egg Tray Temperature PC Door Shelf Bottom Temperature Chilled Case Temperature Running Ratio 3 2 1 1 5 2 5 4 0 2 5 7 0 2 5 22 0 2 5 19 5 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 3 NR BY601V AT 32 1 C Thermostat Dial Setting Mean Fresh Food Compartment ...

Page 7: ...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 8: ...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 9: ... 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 10: ...mal of FCC thermistor Break Short of FCC thermistor None Blinking None Abnormal of DFC thermistor Break Short of DFC thermistor None Turn on None Abnormal of ATC thermistor Break Short of ATC thermistor Blinking Turn on None Abnormal of defrost heater in FC Break Short of defrost heater Turn on None None Abnormal of INV compressor Operate protector of IPM lock Operate protector of voltage dropping...

Page 11: ...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 BY551 NR BY601 Cooling Level Step Minimum 1 2 3 4 5 Freezer Control LED Display Cooling Level Step Freez...

Page 12: ...ontrol does not operate during Quick Freezing mode The compressor rotation is at the maximum level for Quick Freezing mode 7 2 How to operate the Quick Freezing mode NR BY551 NR BY601 ON Press the button Quick Freezing Blue light LED turns on Remarks As to the order of functions Quick Freezing mode has priority over Energy Saving mode When pressing the buttons of both Quick Freezing and Energy Sav...

Page 13: ...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 14: ...ide Defect of control PCB Faulty compressor motor Compressor lock YES Does the Energy Saving turn off and Quick Freezing blink 6 Does the Energy Saving turn off Quick Freezing turn off and Freezer Control LED MAX blink 7 NO NO Does the Energy Saving turn off Quick Freezing turn off and Freezer Control LED MIN blink 8 Break FC thermistor Poor connection between FC thermistor and PCB YES Gas leakage...

Page 15: ...hermistor 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...

Page 16: ...r Control LED MAX blinking Does the Energy Saving 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 17: ... 17 10 SCHEMATIC DIAGRAM 10 1 Wiring Diagram NR BY551MS NR BY551 NR BY601 ...

Page 18: ... 18 NR BY551 NR BY601 10 2 Wiring Diagram NR BY551SS ...

Page 19: ... 19 10 3 Wiring Diagram NR BY551VS XS NR BY551 NR BY601 ...

Page 20: ... 20 NR BY551 NR BY601 10 4 Wiring Diagram NR BY601VS XS ...

Page 21: ...nt 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 5 NR BY551 NR BY601 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: ...Y551 NR BY601 6 5 8 9 7 10 25 30 34 32 43 48 47 46 44 45 39 53 42 49 50 51 54 52 13 14 15 16 For NR BY551MS SS For NR BY551MS SS For Inverter only 40 41 38 For Inverter only 1 2 3 4 11 12 21 20 17 19 22 11 18 26 27 36 35 28 37 33 31 29 55 56 57 64 65 66 67 58 59 60 61 62 68 69 69 71 70 24 ...

Page 27: ...w Door NR BY551 NR BY601 88 87 73 74 78 80 81 82 83 75 84 85 86 89 90 91 92 79 76 77 72 For NR BY551MS SS NR BY551VS XS For NR BY601VS XS 101 99 100 101 99 100 MIN MAX 98 95 94 93 For NR BY601 97 96 98 95 94 93 For NR BY551 97 96 ...

Page 28: ... 28 12 3 Parts Exploded View Packing NR BY551 NR BY601 STICKER BARCODE PACKING BELT FOAM TOP PAD L R PLASTIC COVER SHEEL SIDE PAD BOTTOM TRAY AS PAPER PROTECTOR FRONT MIN MAX ...

Page 29: ...0 CNRAH 266310 CNRAH 264930 CNRAH 264960 CNRBH 139780 CNRAH 270340 CNRBH 139800 CNRBH 139810 CNRAH 270350 CNRBH 139770 CNRAH 261540 CNRAH 264940 CNRAH 264950 CNRAH 264970 CNRBG 162391 CNRAC 200621 CNRAC 200631 CNRAC 200643 CNRAC 201540 CNRAE 139010 CNRAE 136583 CNRBC 324010 CNRBC 324020 CNR39 162720 CNR39 162680 CNR39 162431 CNRAF 163500 CNRAG 140111 CNRAF 177440 CNRBG 176550 SIDE LEFT RIGHT AND T...

Page 30: ...RBH 139920 CNRAH 270420 CNRBH 139940 CNRBH 139950 CNRAH 270430 CNRBH 139910 CNRAH 265000 CNRAH 265020 CNRAH 265030 CNRAH 265050 CNRBF 152331 CNRBF 148912 CNRAF 175252 CNRBG 176270 CNRBG 176290 CNRBG 176301 CNRBG 176281 CNRAG 159023 CNRAG 153360 CNRAG 162991 CNRAG 159876 CNRBG 175422 CNRBG 165910 CNRAF 156140 CNRAH 271080 CNRAH 271090 CNRAC 214820 LANGUAGE ENGLISH LANGUAGE THAI LANGUAGE ENGLISH LAN...

Page 31: ...51 CNR38 8170A1 CNR38 4270A0 CNR38 4170A0 CNR91 164970 CNR91 236420 CNR06 593130 CNR06 598070 CNR06 592700 CNRAG 160562 CNRAG 161940 CNRAG 160552 CNRBG 168610 CNR39 340920 CNR01 249530 CNR39 163082 CNRAF 177400 CNRAJ 112932 CNR38 9924A0 CNR02 325701 CNRAC 116280 CNRAG 130231 CNRAG 145641 CNRAH 261251 CNRAH 261241 CNRAH 261212 CNRAH 261202 CNRAH 261223 CNRAG 163021 CNRAH 261301 CNRAH 245521 CNRBH 1...

Page 32: ... 118081 CNRBK 118101 CNRBK 118010 CNRBK 119350 CNRAJ 157310 CNRAJ 157300 CNRAK 141801 CNRAK 141791 CNRAK 142810 CNRBK 117320 CNRAK 144790 CNRAK 142740 CNRAK 144800 CNRAK 142730 CNRAK 142750 CNRAK 141890 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 FOR MST...

Page 33: ...OF DISASSEMBLY CANCEL PART ITEM NO 23 5 26 29 ADJUSTER BOLT ASS Y IN CASTER AS CANCEL PART ITEM NO 102 6 30 32 EFFECT TO USING IN ITEM NO 40 REVISE NEW NO OF DISASSEMBLY INSTRUCTION AND PAGES 2 2 CHANGE FOR UPDATE MANUAL ADD DISASSEMBLY NEW PARTS 3 22 FOR COVER CONTROL AND PCB CONTROL CHANGE NEW PAGE NO 4 22 33 FOR MAKE THE MANUAL COMPLETE ITEM NO PAGE DETAIL REMARK NR BY551 NR BY601 REVISE PAGE N...