Mitsubishi Electric )MR-385SL-W-A(NZ) Service Manual Download | Manualshive

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ELECTRICIAL PARTS AND UNIT PARTS

MR-385S-A

MR-385S-A(NZ)

MR-385SL-A

MR-385SL-A(NZ)

MR-420S-A

MR-420S-A(NZ)

MR-455S-A

MR-455S-A(NZ)

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Summary of Contents for )MR-385SL-W-A(NZ)

Page 1: ...ERION OF MAIN PARTS 6 2 HOW TO CHECK P C BOARDS 6 3 TEST POINT DIAGRAM OF MAIN CONTROL BOARD 6 4 MULFUNCTION DISPLAY AND CHECKING POINT 6 5 IMPORTANCE DETAIL OF FAULT ANALYSIS 7 DISASSEMBLY INSTRUCTIONS 8 PARTS LIST 1 7 10 11 13 14 14 16 17 18 19 20 23 MR 385S W A NZ MR 385S ST A NZ MR 385SL W A NZ MR 385SL ST A NZ MR 420S W A NZ MR 420S ST A NZ MR 455S W A NZ MR 455S ST A NZ A Australia A NZ New ...

Page 2: ...ooling multi air flow front air flow Evaporator Fin and tube type Condenser Concealed type Defrost system Automatic Heater defrost Drain Automatic drainage Temperature control system Automatic control Refrigerator room light 240V 15W E12 Ice tray 1 pc Ice box 1 pc Freezer pocket 2 pcs Slide chilled case 1 pc Crystal shelf F 1 pc Crystal shelf R 3 pcs Free pocket 1 pc Egg rack 2 pcs Adjust pocket 2...

Page 3: ... air flow front air flow Evaporator Fin and tube type Condenser Concealed type Defrost system Automatic Heater defrost Drain Automatic drainage Temperature control system Automatic control Refrigerator room light 240V 15W E12 Ice tray 1 pc Ice box 1 pc Freezer pocket 2 pcs Slide chilled case 1 pc Crystal shelf F 1 pc Crystal shelf R 3 pcs Free pocket 1 pc Egg rack 2 pcs Adjust pocket 2 pcs Bottle ...

Page 4: ...air flow front air flow Evaporator Fin and tube type Condenser Concealed type Defrost system Automatic Heater defrost Drain Automatic drainage Temperature control system Automatic control Refrigerator room light 240V 15W E12 Ice tray 2 pcs Ice box 1 pc Freezer pocket 2 pcs Slide chilled case 1 pc Crystal shelf F 1 pc Crystal shelf R 4 pcs Free pocket 1 pc Egg rack 2 pcs Adjust pocket 3 pcs Bottle ...

Page 5: ...se o C Heater Defrost heater Deodorition Model Type Number of poles Input W Revolution r p m Model Freezer Refrigerator MM1 6177 Dial position ON OFF OPEN SHUT Warmer o C 13 7 19 0 3 5 Normal o C 16 9 22 9 MAX 5 0 1 0 1 5 Colder o C 20 4 27 5 12 5 Fan motor Temperature control 4 DG57C96RAW5 106 108 220 240V 50Hz 7 38 8 01 220 240V 50Hz 0 57 0 55 220 240V 50Hz 18 2 Ω Main 17 7 Ω Aux PTH7M330MD2 5TM...

Page 6: ...Deodorition Model Type Number of poles Input W Revolution r p m Model Freezer Refrigerator MM1 6177 Dial position ON OFF OPEN SHUT Warmer o C 13 7 19 0 3 5 Normal o C 16 9 22 9 MAX 5 0 1 0 1 5 Colder o C 20 4 27 5 12 5 Fan motor Temperature control 5 DG66C11RAW5 117 118 220 240V 50Hz 8 05 8 83 220 240V 50Hz 0 71 0 66 220 240V 50Hz 15 4 Ω Main 17 7 Ω Aux PTH7M330MD2 5TM205NHBYY Less than 10 2 12 22...

Page 7: ...r Deodorition Model Type Number of poles Input W Revolution r p m Model Freezer Refrigerator MM1 6177 Dial position ON OFF OPEN SHUT Warmer o C 13 7 19 0 3 5 Normal o C 16 9 22 9 MAX 5 0 1 0 1 5 Colder o C 20 4 27 5 12 5 Temperature control 6 Less than 10 2 12 220 240V 50Hz 2520 200 2580 200 220 240V 50Hz DD66C13RAW5 127 131 220 240V 50Hz 8 3 9 1 220 240V 50Hz Fan motor UDVH15MA1H Single phase 2p ...

Page 8: ...Unit mm MR 385S A MR 385S A NZ MR 385SL A MR 385SL A NZ 7 2 OUTLINES AND DIMENSIONS 20 685 20 1334 454 50 100 1591 700 REQUIRED SPACE FOR INSTALLATION 1950 PLUG CORD LENGTH 568 685 8 1591 942 73 ...

Page 9: ...Unit mm MR 420S A MR 420S A NZ 8 PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION 20 685 20 1334 454 50 100 1696 700 1950 568 685 8 1696 1047 73 ...

Page 10: ...Unit mm MR 455S A MR 455S A NZ 9 PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION 20 685 20 1334 454 50 100 1806 700 1950 568 685 8 1806 1157 73 ...

Page 11: ... SKELETON WIRING DIAGRAM MR 385S A MR 385S A NZ MR 385SL A MR 385SL A NZ MR 420S A MR 420S A NZ MR 455S A MR 455S A NZ ACTUAL WIRING DIAGRAM 3 WIRING DIAGRAM 10 ...

Page 12: ...MR 385S A MR 385SL A MR 420S A MR 385S A NZ MR 385SL A NZ MR 420S A NZ 11 4 REFRIGERANT CIRCUIT ...

Page 13: ...MR 455S A MR 455S A NZ 12 ...

Page 14: ...MR 385S A MR 420S A MR 385S A NZ MR 420S A NZ MR 385SL A MR 455S A MR 385SL A NZ MR 455S A NZ 13 5 NAMES OF PARTS ...

Page 15: ...ormal MR 385S SL Rated input MR 420S 455S 6 TROUBLE SHOOTING 120 5o C 400VAC Run capacitor Opened Ω W the machine chamber at the Rated input 14 Connected Point Model Normal Abnormal faulty Less than 1Ω rear side of Opened Ω 69 9 o C the frame Starting current Running current A chamber at the Compressor in the machine chamber at the rear side of the machine Components Part Name Model Parts Mounted ...

Page 16: ...hinge cover Thermistor Check Procedure Thermistor resistance will vary with the change of temperature Take the temperature around the thermistor and then measure resistance using a tester The relation of resistance and temperature is as shown on the above graph 15 Short 0Ω Rated input 150 W Operation method Power ON after defrosting 14 1 5o C or more Thermistor Opened Ω Defrost Heater Abnormal fau...

Page 17: ... the voltage and resistance using 8 connectors outside the box How to check with connectors 1 Check for 230 240V output during power on POWER ON Make the pin No 7 9 of the 9 pins white connector as a common pin and measure the voltage between the common pin and another pin Make sure that 230 240V is output Note The room light always has 230 240V 2 Check for Thermistor output during power on 5 pins...

Page 18: ...6 3 TEST POINT DIAGRAM OF MAIN CONTROL BOARD MR 385S A MR 385SL A MR 420S A MR 455S A MR 385S A NZ MR 385SL A NZ MR 420S A NZ MR 455S A NZ 17 ...

Page 19: ...se Change part Caution 1 Before plug in the AC power Be ensure the comp had been off more than 20 min Fault trouble of defrost heater Open circuit or short circuit case Open circuit or short circuit case 18 2 The consider short circuit or open circuit of thermistor resistance of open circuit is Ω resistance of short circuit is 0 Ω 1 Check connector of control PCB CN5 relay connector 6 pin 1 Check ...

Page 20: ...shooting page Dilapidation of door switch refrigerator room and freezer room Dilapidation of compressor and fan motor 2 If have malfunction when supply the power Compressor and fan motor will not operate 20 minutes 2 Interval of self check analysis Troubles of thermistor will check always Trouble of defrost heater will just analyse during defrost display only The period checking will analyse the d...

Page 21: ...thermistor freezer Defrost heater and Drip tray 6 heaterout of base after remove heater cover plate and drip tray Caution on assembly 7 1 Insert the fan into the base of fan motor s shaft check if the fan rotates with your finger 2 When inserted drip tray to effect to slacken the lead wire of defrost heater in order to prevent water from entering the glass tube 3 Attach defrost thermistor with muf...

Page 22: ...um tape and sealing tape remove PC Board Photo 7 5 Remove duct R assy damper thermo is installed within it Photo 7 Remove the screw of damper thermo Caution on assembly 1 Be sure to use new sealing materials and tape for assembly protective moisture 21 OPERATING PROCEDURE PHOTOS 2 Attach the sealing material of refcon assy and attachthe aluminium tape everytimes for Photo 6 Photo 7 Rivets Thermo d...

Page 23: ...the compressor and the dryer at a time The dryer should be the one packed with the compressor CAUTION ON ASSEMBLY After replacing the compressor be sure to evacuate the refrigerating cycle and charge gas into the charge pipe After replacement check cooling operation and check the weld for gas leaking Fig MR 385S SL 420S 455S OPERATING PROCEDURE 22 Suction pipe w Binder Dryer Discharge pipe High pr...

Page 24: ...DOOR BODY PARTS MR 385S A MR 385S A NZ MR 385SL A MR 385SL A NZ MR 420S A MR 420S A NZ MR 455S A MR 455S A NZ 23 8 PARTS LIST 1 2 3 4 5 6 10 9 11 7 8 1 2 4 5 10 9 11 8 7 6 3 ...

Page 25: ... 1 KIEK88000 G 1 1 KIEK89000 G 1 KIEKA7000 G 1 KIEK90000 G 1 1 KIEK91000 G 1 KIEKB0000 G 1 KIEK92000 G 1 1 KIEKH9000 G 1 KIEKB1000 G 1 KIEK94000 G 1 1 KIEKJ2000 G 1 KIEKB3000 G 1 KIEH79110 G 1 1 1 1 1 1 1 1 KIEH82110 G 1 1 1 1 KIEH85110 G 1 1 1 1 11 KIEG05741 G CATCHER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 KIEK88011 G 1 1 1 1 1 1 1 1 KIEJ82011 G 1 1 1 1 KIEK89011 G 1 1 1 1 KIEJ81010 G 1 1 1 1 1 1 1 1 KI...

Page 26: ...385SL A MR 385SL A NZ MR 420S A MR 420S A NZ MR 455S A MR 455S A NZ 25 1 2 3 4 5 6 7 17 18 22 23 25 9 8 10 11 12 13 30 22 31 27 26 14 15 19 20 21 24 29 28 1 2 3 4 6 7 8 10 12 13 14 15 29 30 31 28 22 27 26 25 24 23 22 21 20 19 18 17 11 9 5 16 16 ...

Page 27: ...94705 G 1 1 KIEJ81701 G 1 1 1 1 1 1 1 1 1 1 1 1 KIEHJ2701 G 1 1 1 1 19 KIEH79431 G CRYSTAL SHELF F 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 20 KIEH79440 G ICE TRAY 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 21 KIEH79467 G ICE BOX 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 KIEB66746 G 2 2 2 2 2 2 2 2 2 2 2 2 KIEEA3746 G 2 2 2 2 KIEE94703 G 1 1 1 1 1 1 1 1 1 1 1 1 KIEEA3703 G 1 1 1 1 24 KIEK66418 G CHILLED CASE DOOR 1 1 1 1 1 1 1...

Page 28: ...L PARTS AND UNIT PARTS MR 385S A MR 385S A NZ MR 385SL A MR 385SL A NZ MR 420S A MR 420S A NZ MR 455S A MR 455S A NZ 27 1 2 3 4 5 8 4 9 10 11 12 13 30 29 28 21 18 17 16 15 14 7 6 20 19 16 23 22 24 25 26 27 31 32 ...

Page 29: ... KIEC02320 G FAN MOTOR UDVH15MA1H 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 18 KIECD4362 G LAMP SWITCH 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 19 KIEHD2386 G LAMP SOCKET R 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 20 KIEG01321 G FAN 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 21 KIEA53346 G RUNNING CAPACITOR 4µF 400VAC 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 22 KIEJ81339 G REFCON ASSY 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 23 KIEH82336 G THERMAL FUSE ...

Page 30: ...A MR 420S A NZ MR 385S A NZ MR 455S A MR 385SL A MR 455S A NZ MR 385SL A NZ 29 NO STEP ON 1 2 3 L R 1 C F B BOX ASSY 8 C F B TOP COVER 5 SIDE CUSHION ASSY 4 PACKING COVER 7 C F B PALLET 6 BOTTOM CUSHION 3 TOP CUSHION MID 2 TOP CUSHION ...

Page 31: ... TOP CUSHION MID 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 KIEG55973 G PACKING COVER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 5 KIEJ81971 G SIDE CUSHION ASSY 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 6 KIEH79978 G BOTTOM CUSHION 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 7 KIEH79974 G C F B PALLET 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 8 KIEH79975 G C F B TOP COVER 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 A A 30 C F B BOX ASSY 1 SPEC Q TY UNIT NO 385...

Page 32: ...0 Fax 07 3630 1888 Fax 08 8340 0555 Western Australia Victoria Tasmania Far North 329 collier Road Unit 4 303 Burwood Queensland Bassendean WA 6054 Hightway Capricorn Air Ph 08 9377 3400 East Burwood 3151 13 Mackley St Fax 08 9377 3499 Ph 03 9262 9855 Garbutt 4814 Fax 03 9262 9844 Ph 07 4775 5222 Fax 07 4775 5303 Distributed by BLACK DIAMOIND TECHNOLOGIES LIMITED BDT Wellington Office Head Office ...

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