Mitsubishi MR-385R-ST-A, Service Manual

Page 1: ...UIT 5 NAME OF THE PARTS 6 TROUBLE SHOOTING 6 1 TROUBLE CRITERION 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 I...

Page 2: ...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 Refrigerato...

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...

Page 4: ...ir 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...

Page 5: ...ter 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...

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...

Page 7: ...er 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 Cold...

Page 8: ...Unit mm MR 385R A MR 385R A NZ 7 2 OUTLINES AND DIMENSIONS 20 685 20 1334 454 40 100 1591 700 REQUIRED SPACE FOR INSTALLATION 1950 PLUG CORD LENGTH 568 685 8 1591 942 73...

Page 9: ...Unit mm MR 420R A MR 420R A NZ 8 PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION 20 685 20 1334 454 40 100 1696 700 1950 568 685 8 1696 1047 73...

Page 10: ...Unit mm MR 455R A MR 455R A NZ 9 PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION 20 685 20 1334 454 40 100 1806 700 1950 568 685 8 1806 1157 73...

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

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

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

Page 14: ...MR 385R A MR 385R A NZ MR 420R A MR 420R A NZ MR 455R A MR 455R A NZ 13 5 NAME OF PARTS...

Page 15: ...W Rated input Compressor in Opened 69 9 o C Motor protector 120 5o C 14 33 Approx Connected Point Model Normal abnormal faulty Less than 1 Opened or Short 0 rear side of the frame Starting current Run...

Page 16: ...l panel of the refrigerator 2 Out of the above range compartment abnormal Thermistor Check Procedure Thermistor resistance will vary with the change of temperature o C Take the temperature around the...

Page 17: ...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 an...

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

Page 19: ...comp had been off more than 20 min Improve in contact Improve in contact 1 Check connector of control PCB CN1 relay connector temp fuse 3 2 1 Improve in contact LED display self check Malfunction dis...

Page 20: ...hooting 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 opera...

Page 21: ...eezer Defrost heater and Drip tray 6 out 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 y...

Page 22: ...m 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 mat...

Page 23: ...ection of the discharge pipe and suction pipe 5 Replace the compressor and the dryer at a time The dryer should be the one packed with the compressor CAUTION ON ASSEMBLY After replacement check coolin...

Page 24: ...DOOR BODY PARTS MR 385R A MR 385R A NZ MR 420R A MR 420R A NZ MR 455R A MR 455R 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 1 1 1 1 1 KIEJ81000 1 1 KIEJ82000 1 1 KIEJ83000 1 1 KIEJ84000 1 1 KIEJ85000 1 1 KIEJ86000 1 1 KIEH79110 1 1 1 1 KIEH82110 1 1 1 1 KIEH85110 1 1 1 1 11 KIEG05741 CATCHER 1 1 1 1 1 1 1 1 1 1 1 1 KIEJ...

Page 26: ...5R A NZ MR 420R A MR 420R A NZ MR 455R A MR 455R 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...

Page 27: ...KIEJ82705 1 1 1 1 1 1 18 KIEJ81701 HINGE ASSY UPPER 1 1 1 1 1 1 1 1 1 1 1 1 19 KIEH79431 CRYSTAL SHELF F 1 1 1 1 1 1 1 1 1 1 1 1 20 KIEH79440 ICE TRAY 1 1 1 1 1 1 1 1 1 1 1 1 21 KIEH79467 ICE BOX 1 1...

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

Page 29: ...MOTOR UDVH15MA1H 1 1 1 1 1 1 1 1 1 1 1 1 17 KIECD4362 FAN SWITCH 1 1 1 1 1 1 1 1 1 1 1 1 18 KIEHD2386 LAMP SOCKET R 1 1 1 1 1 1 1 1 1 1 1 1 19 KIEG01321 FAN 1 1 1 1 1 1 1 1 1 1 1 1 20 KIEA53346 RUNNIN...

Page 30: ...85R A NZ MR 420R A MR 420R A NZ MR 455R A MR 455R 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...

Page 31: ...1 1 1 1 3 KIEH79972 TOP CUSHION MID 1 1 1 1 1 1 1 1 1 1 1 1 4 KIEG55973 PACKING COVER 1 1 1 1 1 1 1 1 1 1 1 1 5 KIEJ81971 SIDE CUSHION ASSY 1 1 1 1 1 1 1 1 1 1 1 1 6 KIEH79978 BOTTOM CUSHION 1 1 1 1 1...

Page 32: ...OND TECHNOLOGIES LIMITED BDT Wellington Office Head Office Auckland Office Christchurch Office 1 Parliament Street Unit1 4 Walls Road Suite 2 Level 1 PO Box 30 772 Penrose 37 Manderville Street Lower...