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MITSUBISHI
ELECTRIC
HOME REFRIGERATORS
SERVICE MANUAL
MR-CU375S-W-A
Models
MR-CU375S-ST-A
MR-CU375S-W-A(NZ)
MR-CU375S-ST-A(NZ)
MR-CU375SL-W-A
MR-CU375SL-ST-A
MR-CU375SL-W-A(NZ)
MR-CU375SL-ST-A(NZ)
A...................Australia
A(NZ)...............New Zealand
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
2006
NO.SM-RE-0605
1
3
4
6
7
8
8
11
12
15
16
21
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Table of Contents
Related Manuals for Mitsubishi Electric MR-CU375S-W-A
Summary of Contents for Mitsubishi Electric MR-CU375S-W-A
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Page 1: Table Of Contents
Changes for the Better MITSUBISHI ELECTRIC HOME REFRIGERATORS SERVICE MANUAL 2006 NO.SM-RE-0605 MR-CU375S-W-A Models MR-CU375S-ST-A MR-CU375S-W-A(NZ) MR-CU375S-ST-A(NZ) MR-CU375SL-W-A MR-CU375SL-ST-A MR-CU375SL-W-A(NZ) MR-CU375SL-ST-A(NZ) CONTENTS 1. SPECIFICATIONS............ 2. OUTLINES AND DIMENSIONS........3. WIRING DIAGRAM............ 4. REFRIGERANT CIRCUIT........... 5. NAMES OF THE PARTS........... 6. TROUBLE SHOOTING.......... -
Page 2: Specifications
SPECIFICATIONS 1-1 SPECIFICATIONS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) 230-240V 50Hz Power supply GROSS (AS) 376 (R : 198 V : 111 F : 67) Total capacity Dimensions (HXWXD) 1655 x 600 x 639 Cabinet Acrylic resin coated steel Food liner ABS resin Cabinet Foamed cyclopenthane Refrigerator door Foamed cyclopenthane... - Page 3 1-2 ELECTRICAL PARTS SPECIFICATION MR-CU375S/SL-A MR-CU375S/SL-A(NZ) Model ESS60C11RAW Power supply 220-240V, 50Hz Compressor Rated input 116/118 (220/240V 50Hz) Starting current 8.49/9.31 (220/240V 50Hz) Running current 0.57/0.55 (220/240V 50Hz) 17.9 (Main) / 15.1 (Aux) Winding resistance (A.T. 20 Ω Ω PTC RELAY PTH7M330MD2 Model 5TM222NHBYY-53...
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Page 4: Outlines And Dimensions
OUTLINES AND DIMENSIONS MR-CU375S/SL-A Unit : mm MR-CU375S/SL-A(NZ) - 3 -... -
Page 5: Wiring Diagram
WIRING DIAGRAM (SKELETON WIRING DIAGRAM) MR-CU375S/SL-A MR-CU375S/SL-A(NZ) - 4 -... - Page 6 (ACTUAL WIRING DIAGRAM) MR-CU375S/SL-A MR-CU375S/SL-A(NZ) BUZZER & THERMISTOR A.T 7 6 5 4 3 2 1 R W V GY SB REFRIGERATOR ROOM ROOM LIGHT B BR THERMISTOR R MOTOR DAMPER M D FAN MOTOR DOOR SW. R WATER PUMP THERMAL FUSE（73 °...
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Page 7: Refrigerant Circuit
REFRIGERANT CIRCUIT MR-CU375S/SL-A MR-CU375S/SL-A(NZ) - 6 -... -
Page 8: Names Of The Parts
NAMES OF PARTS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) Free pocket (M) Crystal shelf (R) Slide shelf Egg case Thermo dial (R) Top plate Tube stand Slide Chilled case (UP) Slide chilled case (LOW) Bottle pocket Vegetable case room Fruit case Kick plate Vegetable case Drain pan Auto ice making Water tank... -
Page 9: Trouble Shooting
TROUBLE SHOOTING 6.1 TROUBLE CRITERION OF MAIN PARTS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) Parts Components Check Method and Criterion Mounted / Part Name Position Compressor in Compressor Model ESS60C11RAW (220-240V 50Hz) the machine Rated input 116/118 (220/240V 50Hz) chamber at the Starting current 8.49/9.31 (220/240V 50Hz) rear side of Running current... - Page 10 Components/ Check Method and Criterion Parts Mounted Position Part Name Model In the fan grille of UDQM002B3 the refrigerator Number of pole DC brushless compartment. Diameter ∅ 140 (Diagonal fan) Measure the resistance with a tester.(Ambient temperature:Room temperature 15 C ~ 25 Normal Abnormal (faulty) Between 1-4 : open( ∞...
- Page 11 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...
- Page 12 13,14...
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Page 13: 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 14 Ice making (3) LED trouble display and the check point stop LED Refrigerator Freezer Refrigerator room (3.1) LED trouble display : follow the procedure of "self check method and its operation" at page 11. Trouble is indicated by the blinking number of ice making stop LED.
- Page 15 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 16: Test Point Diagram Of Main Control
6.4 TEST POINT DIAGRAM OF MAIN CONTROL BOARD MR-CU375S/SL-A MR-CU375S/SL-A(NZ) 1 = INNER FAN MOTOR VCC 2 = GND 3 = ICE MAKER POSITION SW 4 = DAMPER 5 = INNER FAN MOTOR FG 6 = DAMPER 7 = INNER FAN MOTOR DC+ 8 = DAMPER 9 = ICE MAKER AND WATER PUMP FORWARD 10= DAMPER... -
Page 17: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) Plug out before work. Check the automatic ice-maker by pressing ice making stop switch. In assembling & disassembling parts use several kind of Screw and Rivet. Do not mistake to use them. 4 x12 Rivet Rivet 4 x12 (Black) With metal washer OPERATING PROCEDURE PHOTOS... - Page 18 OPERATING PROCEDURE PHOTOS 3. Detachment the Vegetable case parts Photo 5 (1) Detach parts inside vegetable compartment (Vegetable case, Fruit case). Catches (2) Detach the door of vegetable compartment. (3) Detach rivet (F) at the right and unhooking 2 catch at front, (center and left).
- Page 19 OPERATING PROCEDURE PHOTOS Defrost heater Drip tray Photo 8 Aluminium tape Drip tray (7) Peel off the tape that fixes lead wires on the side wall Tape of the vegetable compartment. Then take out defrost heater Tape together with heater roof. Detach heater roof and Heater cover from Defrost heater.
- Page 20 OPERATING PROCEDURE PHOTOS 6 Detachment the vegetable compartment parts Photo 11 (1) Detach the door of the vegetable compartment. Pipe cover Water pipe (lower) (2) Detach a rivet (E), pipe cover and connector. Then remove the water pipe lower. Vegetable case room Water pipe Water tank tray (3) Pull Tank tray to R-room upper and take it out together...
- Page 21 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 bellmouth. Pull out the whole fan motor and disconnect the terminals. (5) Pull out the fan from the fan motor.
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Page 22: Parts List
PARTS LIST DOOR PARTS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) - 21 -... - Page 23 Q'TY/UNIT CU375SL CU375S PART NO. PART NAME SPEC PRICE RoHS A(NZ) A(NZ) W ST W ST W ST W ST KIEK96000 <G> KIEK97000 <G> DOOR R KIEK98000 <G> KIEK99000 <G> KIEK96002 <G> DOOR V KIEHB1002 <G> KIEK96001 <G> DOOR F KIEHB1001 <G>...
- Page 24 BODY PARTS MR-CU375S/SL-A MRMR-CU375P/PL-A(NZ) - 23 -...
- Page 25 Q'TY/UNIT CU375SL CU375S PART NO. PART NAME SPEC PRICE RoHS A(NZ) A(NZ) 1 KIEHN8858 CONTROL PANEL <G> 2 KIEHJ3305 THERMO DIAL (R) <G> 3 KIEHJ3503 WATER TRAY ASSY <G> 4 KIEK96663 FAN GRILLE ASSY <G> KIEHJ3708 <G> LABEL FC KIEHH5708 <G>...
- Page 26 ELECTRICIAL PARTS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) - 25 -...
- Page 27 Q'TY/UNIT CU375SL CU375S PART NO. PART NAME SPEC PRICE RoHS A(NZ) A(NZ) W ST W ST W ST W ST 1 KIEHJ3313 THERMISTOR (R) <G> 2 KIEHD6386 LAMP SOCKET <G> 3 KIE402360 LAMP <G> E12 240V 15W 4 KIEHJ3312 THERMISTOR (DEF) <G>...
- Page 28 ACCESSORY AND UNIT PARTS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) - 27 -...
- Page 29 Q'TY/UNIT CU375SL CU375S PART NO. PART NAME SPEC PRICE RoHS A(NZ) A(NZ) W ST W ST W ST W ST 1 KIEHJ3420 CRYSTAL SHELF (R) <G> 2 KIEHJ3427 SLIDE SHELF (REAR) <G> 3 KIEHJ3428 SLIDE SHELF (FRONT) <G> 4 KIEHJ3411 SLIDE CHILLED CASE (UP) <G>...
- Page 30 PACKING PARTS MR-CU375S/SL-A MR-CU375S/SL-A(NZ) NO STEP ON C.F.B TOP COVER C.F.B BOX ASSY TOP CUSHION SIDE CUSHION ASSY PACKING COVER C.F.B PALLET BOTTOM CUSHION - 29 -...
- Page 31 Q'TY/UNIT CU375SL CU375S PART NO. PART NAME SPEC PRICE RoHS A(NZ) A(NZ) W ST W ST W ST W ST KIEK96970 <G> KIEK97970 <G> C.F.B BOX ASSY KIEK98970 <G> KIEK99970 <G> KIEHJ3979 <G> TOP CUSHION KIEHN8973 <G> PACKING COVER KIEHB2971 <G>...
- Page 32 MITSUBISHI ELECTRIC CORPORATATION HEAD OFFICE : MITSUBISHI DENKI BLDG., MARUNOUCHI,TOKYO 100. TELEX : J24532 CABLE MELCO TOKYO Distributed by Mitsubishi Electric Australia MITSUBISHI ELECTRIC AUSTRALIA PTY LTD. (Incorporated in New South Wales) ABN 58 001 215 792 New South Walse :...