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Mitsubishi Electric MR-C375C-OB-A, Service Manual, Page: 24 / 36

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Mitsubishi Electric MR-C375C-OB-A Service Manual Download Page 24

6

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 

remove the water pipe lower.

Water tank tray

(3) Pull Tank tray to R-room upper and take it out together

with the water pipe.

Photo 12

Caution on assembly

(1) Fit the water tank tray properly in order to prevent a 

water leak.

Door Switch

(4) Insert a minus screwdriver between switch and body

to remove the door switch.

OPERATING PROCEDURE

PHOTOS

R-room

 Water  pipe

Tank  tray

Water pipe 

Vegetable case room

Pipe cover

22

Summary of Contents for MR-C375C-OB-A

Page 1: ...CRITERION OF MAIN PARTS 6 2 FUNCTION OF OPERATION PANEL 6 3 FLOW CHART OF SELF CHECK 6 4 TEST POINT DIAGRAM OF MAIN CONTROL BOARD 7 DISASSEMBLY INSTRUCTIONS 8 PARTS LIST 1 3 5 7 9 11 11 14 15 18 19 24 MR C375C W A 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 2012 SERVICE MANUAL NO SM RE 1206 MITSUBISHI ELECTRIC HOME REFRIGERATORS ...

Page 2: ......

Page 3: ...tor Fin and tube type Condenser Concealed type Defrost system Automatic Defrost heater Drain Automatic drainage Temperature control system Automatic control Refrigerator room light 240V 15W E12 Glass shelf R 1 pc Slide shelf 1 pc Slide chilled case 1 pc Water tank 1 pc Free pocket L 2 pcs Egg case 1 pc Bottle pocket 1 pc Vegetable case 1 pc Fruit case 1 pc Freezing case UP 1 pc Freezing case LOW 1...

Page 4: ... tube type Condenser Concealed type Defrost system Automatic Defrost heater Drain Automatic drainage Temperature control system Automatic control Refrigerator room light 240V 15W E12 Glass shelf R 2 pcs Slide shelf 1 pc Slide chilled case 1 pc Water tank 1 pc Free pocket L 2 pcs Egg case 1 pc Free pocket S 1 pc Bottle pocket 1 pc Vegetable case 1 pc Fruit case 1 pc Freezing case UP 1 pc Freezing c...

Page 5: ...e o C 73 Defrost heater Not equipped Model FBA12J12VXC Type DC brushless Rate Voltage 12 VDC Input W 4 2 12 VDC Revolution r p m 2300 12 VDC Model 4715JL04WS16G51 Type DC brushless Rate Voltage 12 VDC Input W 1 44 12 VDC Revolution r p m 1450 12 VDC Vegetable case heater W 6 Water pipe heater W 0 9 Drain pipe heater W 6 Freezer Refrigerator Dial position ON OFF OPEN SHUT LOW o C 9 2 15 7 7 0 5 1 M...

Page 6: ...eater Not equipped Model FBA12J12VXC Type DC brushless Rate Voltage 12 VDC Input W 4 2 12 VDC Revolution r p m 2300 12 VDC Model 4715JL04WS16G51 Type DC brushless Rate Voltage 12 VDC Input W 1 44 12 VDC Revolution r p m 1450 12 VDC Vegetable case heater W 6 Water pipe heater W 0 9 Drain pipe heater W 6 Freezer Refrigerator Dial position ON OFF OPEN SHUT LOW o C 9 2 15 7 7 4 5 4 MID o C 14 0 20 0 4...

Page 7: ...Unit mm MR C375C A MR C375CL A 2 OUTLINES AND DIMENSIONS PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION 100 1678 666 50 20 20 600 5 124 381 5 ...

Page 8: ...Unit mm MR C405C A MR C405CL A PLUG CORD LENGTH REQUIRED SPACE FOR INSTALLATION 100 1798 666 50 20 600 20 5 1248 381 6 ...

Page 9: ... SKELETON WIRING DIAGRAM MR C375C A MR C375CL A MR C405C A MR C405CL A 3 WIRING DIAGRAM 7 ...

Page 10: ...AGRAM MR C375C A MR C375CL A MR C405C A MR C405CL A Remark GY GRAY BK BLACK BR BROWN W WHITE OR ORANGE R RED Y YELLOW SB SKY BLUE YG YELLOW GREEN P PINK LG LIGHT GREEN LB LIGHT BROWN BY BRIGHT YELLOW V VIOLET BU BLUE 8 ...

Page 11: ...C375C A MR C375CL A MR C405C A MR C405CL A 4 REFRIGERANT CIRCUIT Muffler Evaporator Capillary tube Suction pipe Dryer Cabinet pipe Charge pipe High pressure side Charge pipe Low pressure side Compressor 9 ...

Page 12: ...MR C375C A MR C375CL A MR C405C A MR C405CL A 5 NAMES OF PARTS 10 ...

Page 13: ...rent chamber at the rear side of 0 70 0 64 220 240V 50Hz A 7 78 8 55 220 240V 50Hz Rated current Measure the resistance with a tester Ambient temperature Room temperature 15 o C 25 o C 69 9o C Abnormal faulty 5TM718MFBYY 53 Opened Ω or Short 0Ω 120 5o C Connected Point Normal 18 4 Ω Approx Auxilliary wiring Run capacitor 4 µF Rated input Motor protector 400VAC Abnormal faulty Model the frame the f...

Page 14: ...ide of the frame 4715JL04WS16G51 Model Type DC brushless Normal 415 Ω Approx Type DC brushless Under the water tank holder in refrigerator compartment Open Ω or short circuit 0Ω Abnormal faulty Winding Blue White Red Yellow Water pump motor DC 5V 16 Ω Approx Open Ω or short circuit 0Ω Motor damper for refrigerator compartment slide compartment In the fan grille of the refrigerator compartment Refr...

Page 15: ...connector 2 When the self check indicates the abnormality of thermistor a few seconds after the power is turned on check the contact of the connector Rated input 155 W operation method Power ON after defrosting 14 1 5 o C or more Thermistor Opened Ω Defrost Heater Outside air thermistor In the buzzer board check board Check Method and Criterion Parts Mounted Position Components Part Name Defrost t...

Page 16: ...on 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 LED trouble display is also automatically released 10 minutes later However the abnormal part has not been repair yet 14 ...

Page 17: ...ress Ice making stop button Was trouble displayed Locate the trouble according to LED indication See page Disconnect power plug Repair replace defective part s according to LED indication Connect power plug Press Ice making stop button Self check Ice making stop LED blink during the operational test of automatic ice maker Check the parts whose Abnormalities cannot be detected by self check Remark ...

Page 18: ...sistance 3 PCB plate Ref Con assy NG 3 If the resistance is OK should be changed PCB plate Ref Con assy and re check the resistance Thermistor DEF NG 1 The connector DEF thermistor lead wire 1 Check all points of the thermistor isn t orderly DEF connector lead wires may be unlock and struck insert 2 Thermistor DEF NG break or short 2 If the resistance of thermistor DEF is NG should be changed the ...

Page 19: ...otor NG Motor un rotated 2 Replace DC fan motor Outer motor assy and non display and check display 3 PCB plate Ref Con assy NG 3 If the resistance is OK should be replaced PCB plate Ref Con assy and re check the resistance PCB plate Ref Con assy NG 1 PCB program Ref Con assy is NG 1 Replace a new PCB plate Ref Con assy Refrigerant circuit is NG 1 Pipe cracked Welding joint 1 Check and corrective t...

Page 20: ...p Control Board 5 Red Defrost Heater 12 Light Green I Thermistor 13 Sky Blue 5 VDC Common CN3A 14 Pink DEF Thermistor 1 Yellow Lamp 15 Black GND 3 Yellow Green V Heater 16 Brown Door SW 5 Brown Ice Maker Heater 7 Sky Blue Pipe Heater Compulsory defrosting method have 2 methods as below 1 Short circuit at 2 pin connector between no 6 white wire with no 7 red wire CN7M at Buzzer Thermistor A T board...

Page 21: ... Refcon assy 4 Remove the catch of elect attach to release the PCB plate Photo 3 Photo 3 Caution on assembly 1 Firmly connect the lead wire and the connector Ensure the wire are not pinched 2 Please use the new material of sealing insulation when re attach 2 Detachment Lamp cover parts Photo 4 1 Remove parts inside the refrigerator Shelf 1 2 3 shelf Lamp cover inside the refrigerator 1 Push up the...

Page 22: ...nel Photo 7 5 Remove the upper and lower rivets C of right side and left side then unhook 7 catches 9 catches for C405B Remove the right catch before push the control panel to the right and detach it Photo 7 Fan grille 6 Remove the following Screw A at the upper and right center 2 screws B at the left and 2 screws B at the right Photo 6 Motor damper and thermal fuse are combined with fan grille Fa...

Page 23: ...lower parts 3 Attach the defrost thermistor in the correct place If they re attached out of place thermal characteristics will go wrong 4 Attach the lead wires to the fixture 5 Detachment the parts in Freezer compartment 1 Detach the parts inside the Freezer room Ice spoon Freezing case upper and Freezing case lower 2 Pull the door of Freezer compartment by pulling toward you Cover upper 3 Detach ...

Page 24: ...e lower Water tank tray 3 Pull Tank tray to R room upper and take it out together with the water pipe Photo 12 Caution on assembly 1 Fit the water tank tray properly in order to prevent a water leak Door Switch 4 Insert a minus screwdriver between switch and body to remove the door switch OPERATING PROCEDURE PHOTOS R room Water pipe Tank tray Water pipe Vegetable case room Pipe cover 22 ...

Page 25: ...he charge pipe on the low pressure side 3 Detach the welded section of the discharge pipe and suction pipe 4 Replace the compressor and the dryer at a time Caution on assembly 1 After attaching the compressor must to Vacuum and charge gas from charge pipe 2 Arrage the piping so that the pipe will not hit each other and compressor cover which causes loud noise Then attach the compressor cover 3 Aft...

Page 26: ...DOOR BODY PARTS MR C375C A MR C375CL A MR C405C A MR C405CL A 8 PARTS LIST 24 ...

Page 27: ...1 1 9 KIEHJ3115 G EGG CASE 1 1 1 1 1 1 1 1 1 KIEP89110 G 1 1 1 1 1 KIEP94110 G 1 1 1 1 11 KIEP89124 G BOTTLE POCKET 1 1 1 1 1 1 1 1 1 12 KIEP89112 G MAGNET GASKET ASSY V 1 1 1 1 1 1 1 1 1 13 KIEP89111 G MAGNET GASKET ASSY F 1 1 1 1 1 1 1 1 1 KIERN0031 G 1 1 1 1 KIER72031 G 1 1 1 1 1 RECOMMEND PART NO 1 2 3 10 12 13 ABBREVIATION ENCIRCLED PART NUMBER ARE NOT SHOWN IN THE FIGURES Remark Country code...

Page 28: ...BODY PARTS MR C375C A MR C375CL A MR C405C A MR C405CL A 26 ...

Page 29: ...G JOINT PIPE TANK 1 1 1 1 1 1 1 1 1 20 KIEHJ3531 G WATER TANK CAP 1 1 1 1 1 1 1 1 1 21 KIEHJ3519 G WATER PUMP 1 1 1 1 1 1 1 1 1 22 KIEK96527 G WATER TANK COVER ASSY 1 1 1 1 1 1 1 1 1 KIEMT0702 G 1 1 1 1 1 KIEHJ2702 G 1 1 1 1 24 KIEHJ3798 G ROLLER 4 4 4 4 4 4 4 4 4 25 KIEHJ3520 G WATER TANK 1 1 1 1 1 1 1 1 1 26 KIEHJ3526 G FILTER TANK 1 1 1 1 1 1 1 1 1 27 KIEP89328 G ELECT BOX COVER ASSY 1 1 1 1 1 ...

Page 30: ...ELECTRICIAL PARTS MR C375C A MR C375CL A MR C405C A MR C405CL A 28 ...

Page 31: ...1 1 1 1 1 1 14 KIEMQ4363 G LAMP SWITCH R 1 1 1 1 1 1 1 1 1 15 KIEKA0382 G TEMP CONTROL PANEL 1 1 1 1 1 1 1 1 1 16 KIEMQ4320 G FAN MOTOR ASSY 1 1 1 1 1 1 1 1 1 17 KIEP89537 G HEATER ROOF 1 1 1 1 1 1 1 1 1 18 KIEP89392 G DEFROST HEATER 1 1 1 1 1 1 1 1 1 19 KIEP89397 G HEATER COVER 1 1 1 1 1 1 1 1 1 20 KIEP89538 G DRIP TRAY 1 1 1 1 1 1 1 1 1 KIERN4339 G 1 1 1 1 1 KIERN8339 G 1 1 1 1 22 KIEP89340 G MO...

Page 32: ...ACCESSORY AND UNIT PARTS MR C375C A MR C375CL A MR C405C A MR C405CL A 30 ...

Page 33: ... 1 10 KIEHJ3477 G ICE SPOON 1 1 1 1 1 1 1 1 1 11 KIEP89475 G F CASE LOW 1 1 1 1 1 1 1 1 1 12 KIEP89420 G GLASS SHELF R ASSY 1 1 1 1 1 1 1 1 1 13 KIEP89405 G VEGEATABLE CASE 1 1 1 1 1 1 1 1 1 14 KIEP89995 G EVAPORATOR 1 1 1 1 1 1 1 1 1 15 KIEP89504 G ELBOW 1 1 1 1 1 1 1 1 1 16 KIEAA1980 G DRYER XH 9 10GR 1 1 1 1 1 1 1 1 1 17 KIEP89435 G DRAIN PAN 1 1 1 1 1 1 1 1 1 18 KIEPE2277 G COMPRESSOR DHS66C10...

Page 34: ...PACKING PARTS MR C375C A MR C375CL A MR C405C A MR C405CL A NO STEP ON 1 C F B BOX ASSY 6 C F B TOP COVER 3 PACKING COVER 5 C F B PALLET 4 BOTTOM CUSHION L R 2 TOP CUSHION 32 ...

Page 35: ...IEP89979 G TOP CUSHION 1 1 1 1 1 1 1 1 1 3 KIEHN8973 G PACKING COVER 1 1 1 1 1 1 1 1 1 4 KIEP89978 G BOTTOM CUSHION 1 1 1 1 1 1 1 1 1 5 KIEP89974 G C F B PALLET 1 1 1 1 1 1 1 1 1 6 KIEP89975 G C F B TOP COVER 1 1 1 1 1 1 1 1 1 PRICE PIE CE US FCA Q TY UNIT MR C405CL A MR C375CL A SPEC MR C405C A C F B BOX ASSY PART NAME MR C375C A 1 RoHS PART NO NO 33 ...

Page 36: ...8 Fax 08 8338 0501 Western Australia Victoria Tasmania Far North 329 Collier Road Building 28 Omnico bus Park Queensland Bassendean WA 6054 270 Ferntree Gully Road Capricorn Air Ph 08 9377 3400 Notting Hill 3168 13 Mackley St Fax 08 9377 3499 Ph 03 9535 7800 Garbutt 4814 Fax 03 9535 7801 Ph 07 4775 5222 Fax 07 4775 5303 Distributed by BLACK DIAMOND TECHNOLOGIES LIMITED BDT Wellington Office Head O...

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