Table of Contents
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MITSUBISHI
ELECTRIC
HOME REFRIGERATORS
SERVICE MANUAL
MR-C375C-W-A
Models
MR-C375C-ST-A
MR-C375C-OB-A
MR-C375CL-W-A
MR-C375CL-ST-A
MR-C405C-W-A
MR-C405C-ST-A
MR-C405CL-W-A
MR-C405CL-ST-A
A...................Australia & New Zea land
CONTENTS
1. SPECIFICATIONS....................................................
2. OUTLINES AND DIMENSIONS..................................
3. WIRING DIAGRAM....................................................
4. REFRIGERANT CIRCUIT...........................................
5. NAMES OF THE PARTS...........................................
6. TROUBLE SHOOTING..............................................
6.2 FUNCTION OF OPERATION PANEL..............
6.3 FLOW CHART OF SELF-CHECK....................
BOARD........................................................
7. DISASSEMBLY INSTRUCTIONS...............................
8. PARTS LIST............................................................
Changes for the Better
2012
NO.SM-RE-1206
1
3
5
7
9
11
11
14
15
18
19
24
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Summary of Contents for Mitsubishi Electric MR-C375C-W-A
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Page 1: Table Of Contents
Changes for the Better MITSUBISHI ELECTRIC HOME REFRIGERATORS SERVICE MANUAL 2012 NO.SM-RE-1206 MR-C375C-W-A Models MR-C375C-ST-A MR-C375C-OB-A MR-C375CL-W-A MR-C375CL-ST-A MR-C405C-W-A MR-C405C-ST-A MR-C405CL-W-A MR-C405CL-ST-A CONTENTS 1. SPECIFICATIONS............ 2. OUTLINES AND DIMENSIONS........3. WIRING DIAGRAM............ 4. REFRIGERANT CIRCUIT........... 5. NAMES OF THE PARTS........... -
Page 3: Specifications
SPECIFICATIONS 1-1 SPECIFICATIONS MR-C375C-A, MR-C375CL-A Power supply 230-240V 50Hz Total capacity GROSS (AS) 375 (R : 197 V : 75 F : 103) Dimensions (HXWXD) 1678 x 600 x 656 Cabinet Acrylic resin coated steel Food liner ABS resin Cabinet Foamed cyclopenthane Refrigerator door Foamed cyclopenthane... - Page 4 MR-C405C-A, MR-C405CL-A Power supply 230-240V 50Hz Total capacity GROSS (AS) 405 (R : 227 V : 75 F : 103) Dimensions (HXWXD) 1798 x 600 x 656 Cabinet Acrylic resin coated steel Food liner ABS resin Cabinet Foamed cyclopenthane Refrigerator door Foamed cyclopenthane Insulation Vegetable door...
- Page 5 1-2 ELECTRICAL PARTS SPECIFICATION MR-C375C-A , MR-C375CL-A Model DHS66C10RAW Power supply 220-240V, 50Hz Rated input 113/113.5(220/240V 50Hz) Compressor Starting current 7.78/8.55(220/240V 50Hz) Rated current 0.70/0.64(220/240V 50Hz) 18.4 (Main) / 18.5 (Aux) Ω Ω Winding resistance (A.T. 20 PTC RELAY PTH7M330MD2 Model 5TM718MFBYY-53 Motor protector...
- Page 6 MR-C405C-A, MR-C405CL-A Model DHS66C10RAW Power supply 220-240V, 50Hz 113/113.5(220/240V 50Hz) Compressor Rated input 7.78/8.55(220/240V 50Hz) Starting current 0.70/0.64(220/240V 50Hz) Rated current 18.4 (Main) / 18.5 (Aux) Winding resistance (A.T. 20 Ω Ω PTC RELAY PTH7M330MD2 Model 5TM718MFBYY-53 Motor protector Ambient temperature Time Sec.
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Page 7: Outlines And Dimensions
OUTLINES AND DIMENSIONS Unit : mm MR-C375C-A, MR-C375CL-A PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION... - Page 8 Unit : mm MR-C405C-A, MR-C405CL-A PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION...
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Page 9: Wiring Diagram
WIRING DIAGRAM (SKELETON WIRING DIAGRAM) MR-C375C-A, MR-C375CL-A MR-C405C-A, MR-C405CL-A... - Page 10 (ACTUAL WIRING DIAGRAM) MR-C375C-A, MR-C375CL-A MR-C405C-A, MR-C405CL-A Remark GY = GRAY BK = BLACK BR = BROWN W = WHITE OR = ORANGE = RED = YELLOW SB = SKY BLUE YG = YELLOW/GREEN = PINK LG = LIGHT GREEN LB = LIGHT BROWN BY = BRIGHT YELLOW = VIOLET BU = BLUE...
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Page 11: Refrigerant Circuit
REFRIGERANT CIRCUIT MR-C375C-A, MR-C375CL-A MR-C405C-A, MR-C405CL-A Muffler Evaporator Cabinet pipe Capillary tube Suction pipe Compressor Charge pipe (High pressure side) Dryer Charge pipe (Low pressure side) -
Page 12: Names Of The Parts
NAMES OF PARTS MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A... -
Page 13: Trouble Shooting
TROUBLE SHOOTING 6.1 TROUBLE CRITERION OF MAIN PARTS MR-C375CC-A MR-C375CL-A MR-C405C-A MR-C405CL-A Parts Components Check Method and Criterion Mounted / Part Name Position Compressor in Compressor Model DHS66C10RAW the machine Rated input 113/113.5(220/240V 50Hz) chamber at the Starting current 7.78./8.55(220/240V 50Hz) rear side of Rated current 0.70/0.64(220/240V 50Hz) - Page 14 Components/ Check Method and Criterion Parts Mounted Position Part Name In the fan grille of Model FBA12J12VXC the refrigerator Type DC brushless compartment. Measure the resistance with a tester.(Ambient temperature:Room temperature 15 C ~ 25 Normal Abnormal (faulty) Between 3-1 : open( ∞ Ω ) Between 3 - 1 (GND Refrigerator and Vcc): About 25kΩ...
- Page 15 Components/ Parts Mounted Check Method and Criterion Part Name Position Measure the resistance with a tester.(Ambient temperature:Room temperature 15 C ~ 25 At the left Black bottom of vegetable Normal Abnormal (faulty) compartment Black Water pipe 1.3 kΩ (Approx.) Open (∞ Ω ) heater The heater is turned on when the temperature of tray Operation method...
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Page 16: Function Of Operation Panel
6.2 FUNCTION OF OPERATION PANEL (1) Normal operation (2) Ice making test / Self-check 2.1 Setting Press the switch for 5 seconds 2.2 Operation and display During automatic ice making test,ice making stop LED blink. When somthing is faulty, the trouble is indicated with blinking number of ice making stop LED.(See page 13,14) Self-check finishes automatically. -
Page 17: Flow Chart Of Self-Check
6.3 FLOW CHART OF SELF-CHECK (1) Trouble shooting with self-check This refrigerator has self-check feature to clarify and indicate where & what the trouble is. It can be checked that there is something wrong with electronic circuit and electric parts. Ice making Self-check stop LED Refrigerator Freezer... - Page 18 (3) LED trouble display and the check point Ice making stop LED Refrigerator Freezer (3.1) LED trouble display : follow the procedure of "self check method Refrigerator room and its operation" at page 11. Trouble is indicated by the blinking number of ice making stop LED.
- Page 19 Function Explanation Detecting method and corrective NG points Display function of LED Thermistor (R) NG 4 Blinks 1. The Thermistor (R) connector lead wire 1. Check all points of Thermistor (R) connector 1 Cycle isn't orderly. lead wire, may be unlock and struck insert. 2.
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Page 20: Test Point Diagram Of Main Control Board
6.4 TEST POINT DIAGRAM OF MAIN CONTROL BOARD MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A Lead color Parts Name CN4K 2 Red Damper 3 Gray Ice Maker Positon SW 4 Bright Yellow Damper 5 Pink Ice Maker & Water Pump Forward 6 White Damper 7 Brown 12 VDC... -
Page 21: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A Plug out before work. Check the automatic ice-maker by pressing ice making stop switch. In assembling & disassembling parts use several kind of screws and rivets. Do not mistake to use them. Rivet Rivet 4 x12 Stainless steel 4 x12 (Black) With metal washer OPERATING PROCEDURE... - Page 22 OPERATING PROCEDURE PHOTOS 3. Detachment the Vegetable case parts Photo 5 (1) Detach parts inside vegetable compartment (Vegetable case, Fruit case). Catches Vegetable (2) Detach the door of vegetable compartment. case cover (3) Detach rivet (C) at the right and unhooking 2 catches at front, (center and left).
- Page 23 OPERATING PROCEDURE PHOTOS Aluminium Defrost heater, Drip tray Photo 8 Drip tray (7) Peel off the tape that fixes lead wires on the side wall of the vegetable compartment. Then take out defrost heater Tape Tape together with heater roof. Detach heater roof and Heater cover from Defrost heater.
- Page 24 OPERATING PROCEDURE PHOTOS Detachment the vegetable compartment parts Photo 11 (1) Detach the door of the vegetable compartment. Water pipe (lower) (2) Detach a rivet (C), pipe cover and connector. Then Pipe cover remove the water pipe lower. Water tank tray Water pipe Vegetable case room (3) Pull Tank tray to R-room upper and take it out together...
- Page 25 OPERATING PROCEDURE Compressor cover (1) Remove 7 screws for compressor cover at the back of the refrigerator. Fan motor of compressor compartment (2) Detach the Elect cover (3) Detach the Connector. (4) Remove a screw that fixed bell mouth. Pull out the whole fan motor and disconnect the terminals. (5) Pull out the fan from the fan motor.
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Page 26: Parts List
PARTS LIST DOOR, BODY PARTS MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A... - Page 27 Q'TY/UNIT PRICE/PIE NO. PART NO. RoHS PART NAME SPEC MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A CE(US$- FCA) KIERL6000 <G> KIER66000 <G> KIER63000 <G> KIERN6000 <G> KIERN7000 <G> DOOR R KIERL8000 <G> KIER71000 <G> KIERP0000 <G> KIERP1000 <G> KIEPE2002 <G> DOOR V KIEP90002 <G> KIEP91002 <G>...
- Page 28 BODY PARTS MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A...
- Page 29 Q'TY/UNIT PRICE/PIECE PART NO. RoHS PART NAME SPEC MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A (US$-FCA) KIEP89858 <G> CONTROL PANEL KIEP94858 <G> KIEHJ3305 <G> THERMO DIAL (R) KIEP89802 <G> DUCT V ASSY KIEP89818 <G> COVER DUCT V KIEP89503 <G> WATER TRAY ASSY KIEP89808 <G>...
- Page 30 ELECTRICIAL PARTS MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A...
- Page 31 Q'TY/UNIT PRICE/PIE PART NO. RoHS PART NAME SPEC CE(US$- MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A FCA) ST OB KIEHJ3313 <G> THERMISTOR (R) KIEP89386 <G> LAMP SOCKET KIEP94386 <G> KIE402360 <G> LAMP 240V 15W E12 KIEHJ3365 <G> WATER PUMP KIEP89312 <G> THERMISTOR (DEF) KIEHJ3378 <G>...
- Page 32 ACCESSORY AND UNIT PARTS MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A...
- Page 33 Q'TY/UNIT PRICE/PIE PART NO. RoHS PART NAME SPEC CE(US$- MR-C375CL-A MR-C405C-A MR-C375C-A MR-C405CL-A FCA) ST OB 1 KIEP89420 <G> GLASS SHELF R ASSY 2 KIEHJ3427 <G> SLIDE SHELF (REAR) 3 KIEHJ3428 <G> SLIDE SHELF (FRONT) 4 KIEP89413 <G> SLIDE CHILLED CASE 5 KIEP89409 <G>...
- Page 34 PACKING PARTS MR-C375C-A MR-C375CL-A MR-C405C-A MR-C405CL-A NO STEP ON C.F.B TOP COVER C.F.B BOX ASSY TOP CUSHION PACKING COVER C.F.B PALLET BOTTOM CUSHION...
- Page 35 Q'TY/UNIT PRICE/PIE PART NO. PART NAME SPEC RoHS CE(US$- MR-C375CL-A MR-C405C-A MR-C375C-A MR-C405CL-A FCA) KIERN4970 <G> KIERN5970 <G> KIETY7970 <G> KIERN6970 <G> C.F.B BOX ASSY KIERN7970 <G> KIERN8970 <G> KIERN9970 <G> KIERP0970 <G> KIERP1970 <G> KIEP89979 TOP CUSHION <G> KIEHN8973 <G>...
- Page 36 MITSUBISHI ELECTRIC CORPORATATION HEAD OFFICE : MITSUBISHI DENKI BLDG., MARUNOUCHI,TOKYO 100. TELEX : J24532 CABLE MELCO TOKYO Distributed by MITSUBISHI ELECTRIC AUSTRALIA PTY LTD. (Incorporated in New South Wales) ABN 58 001 215 792 New South Wales : Queensland: South Australia /...