Whirlpool Multibras ARC8140IX Service Manual Download Page 16

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MSEX0105i – Electronic No Frost Refrigerator Bottom Mount/ Dual Fan - Maestro High

-40,5

93778,7

-15,5

20142,8

9,5

5466,7

34,5

1788,8

-40,0

90695,7

-15,0

19582,8

10,0

5336,8

35,0

1752,2

-39,5

87724,3

-14,5

19040,1

10,5

5210,4

35,5

1716,4

-39,0

84860,2

-14,0

18514,1

11,0

5087,4

36,0

1681,4

-38,5

82099,2

-13,5

18004,3

11,5

4967,6

36,5

1647,3

-38,0

79437,2

-13,0

17510,2

12,0

4851,1

37,0

1613,9

-37,5

76870,3

-12,5

17031,1

12,5

4737,6

37,5

1581,3

-37,0

74394,9

-12,0

16566,7

13,0

4627,1

38,0

1549,5

-36,5

72007,4

-11,5

16116,4

13,5

4519,5

38,5

1518,4

-36,0

69704,4

-11,0

15679,7

14,0

4414,7

39,0

1488,0

-35,5

67482,7

-10,5

15256,3

14,5

4312,7

39,5

1458,3

-35,0

65339,2

-10,0

14845,6

15,0

4213,3

40,0

1429,3

-34,5

63270,8

-9,5

14447,2

15,5

4116,5

40,5

1400,9

-34,0

61274,7

-9,0

14060,7

16,0

4022,2

41,0

1373,2

-33,5

59348,2

-8,5

13685,8

16,5

3930,3

41,5

1346,1

-33,0

57488,5

-8,0

13322,1

17,0

3840,9

42,0

1319,6

-32,5

55693,3

-7,5

12969,1

17,5

3753,7

42,5

1293,7

-32,0

53960,0

-7,0

12626,6

18,0

3668,7

43,0

1268,4

-31,5

52286,3

-6,5

12294,2

18,5

3585,9

43,5

1243,6

-31,0

50670,0

-6,0

11971,6

19,0

3505,3

44,0

1219,4

-30,5

49108,9

-5,5

11658,4

19,5

3426,6

44,5

1195,8

-30,0

47601,1

-5,0

11354,4

20,0

3350,0

45,0

1172,6

-29,5

46144,4

-4,5

11059,2

20,5

3275,3

45,5

1150,0

-29,0

44737,1

-4,0

10772,7

21,0

3202,5

46,0

1127,9

-28,5

43377,3

-3,5

10494,4

21,5

3131,5

46,5

1106,2

-28,0

42063,2

-3,0

10224,2

22,0

3062,3

47,0

1085,1

-27,5

40793,2

-2,5

9961,7

22,5

2994,8

47,5

1064,4

-27,0

39565,6

-2,0

9706,8

23,0

2929,0

48,0

1044,1

-26,5

38379,0

-1,5

9459,2

23,5

2864,9

48,5

1024,3

-26,0

37231,8

-1,0

9218,7

24,0

2802,3

49,0

1004,9

-25,5

36122,6

-0,5

8985,0

24,5

2741,3

49,5

986,0

xxx

50,0

967,4

NTC Curve - Steinhart-Hart Equation

0,00

20000,00

40000,00

60000,00

80000,00

100000,00

120000,00

140000,00

160000,00

180000,00

200000,00

-60,00

-40,00

-20,00

0,00

20,00

40,00

60,00

temperature (degrees C)

Resistance (Ohm)

Note:

Table values/ Graphic are referential and can modify conform the environmental temperature and

other external factors.

The bigger the sensor ohmic Resistance is, smaller is the temperature (colder) of the Compartment.

Summary of Contents for Multibras ARC8140IX

Page 1: ......

Page 2: ... System 20 5 8 1 Caution Alarm 20 a Party Mode Alarm exceeded time 20 b Anti Bacteria Filter Alarm replacement time 20 c Open Door Alarm 21 d Temperature Alarm 21 5 8 2 Service Call Alarm 22 a Communication Failure Alarm 22 b Temperature Sensor Refrigerator Freezer Defrost failure 22 5 9 Air Flow 23 5 9 1 Air Circulation on Freezer Compartment 23 5 9 2 Air Circulation into Refrigerator Compartment...

Page 3: ...IPCION 4O DIGIT Serial Number Sequential manufacturing number 3O DIGIT Manufacturing Year 2O DIGIT Manufacturing Month 1 O DIGIT Manufacturing Plant Factory The first digit indicates the Factory Plant in Brasil identified by a letter as follows C Rio Claro Plant P São Paulo Plant J Joinville Plant I Imported Products M Manaus Plant The second digit indicates the manufacturing month of the product ...

Page 4: ...2 Capacity Weight and Dimensions Characteristics ARC8140IX Height 1874 Dimensions mm Width 709 Depth 728 Weight Kg Unpacked 93 Refrigerator 305 Net Capacity liters Freezer 120 2 3 Maximum weight under Components Kg Ice bin freezer 1 5 Wire Shelf freezer 1st 13 Fast Freezing compartment 15 Wire Shelf freezer 2nd 17 Drawer freezer 1st 18 Drawer freezer 2nd 12 Door Shelf freezer each one 4 Extra cold...

Page 5: ...denser Clinched Condenser 1 Lamp refrigerator 2 Glass shelf 3 3 Wind Flow System air outlets 4 Extra cold compartment 5 Humidity Control 6 Vegetable Drawer 7 Vegetable separator 8 Easy Ice System with automatic feeder 9 Fast Freezing compartment 10 Drawer freezer 2 11 Rollers 4 12 Leveler Feet 2 13 External LCD Display FC RC Control 14 Eggs tray 15 Spacer bin 16 Door Shelf refrigerator 17 Door She...

Page 6: ...of lack of energy it will assume the position On when re connected or when the power returns b Stand by Off key Key for turning the product off when it is in its normal mode If the product is disconnected from power during operation in Stand by Off mode it will assume the Off position when re connected Whenever it is Off Stand by the display will show 3 horizontal traces on the Freezer display and...

Page 7: ...d Remarks This function disable automatically after 6 hours then returning to the previously selected parameters For this function the Compressor will be continuously activated and the refrigerator temperature Control will be set at the maximum level it means coldest mode the LCD display will keep showing the previously selected temperature while the Freezer temperature Control will be unchanged a...

Page 8: ...taken At this moment disable manually the Party mode Function by pressing the OK key it does not disable automatically Attention Do not leave bottles mainly glass bottles inside the Freezer compartment longer than 30 minutes because it can explode causing accidents If the function is not disabled after 30 minutes the product will return to the prior parameters but the sound Alarm will be disabled ...

Page 9: ... selection from being handled accidentally or by children To activate this function press the Temperature level OK keys for 5 seconds and then the lock key will appear on the display locking the keyboard After activating this function other functions cannot be programmed To disable this function repeat the same operation that activates it Caution Alarm Icon This function prevents the consumer abou...

Page 10: ...ns controlled by its software The Electronic Control is located at the rear of the refrigerator next to the cabinet and besides the compressor inside a plastic box Cables going inside the product using connectors that do not permit an assembling failure do its connection to the mains and its components Inside the Electronic Control is divided in 2 parts a main Board and a line filter Main Board Li...

Page 11: ...s 3 Release the Board connectors 4 Loose all other screws and remove the Electronic Control IMPORTANT Be careful when using the Multimeter measuring probes as they may damage the connector terminals Be careful when removing the electronic board connectors as they are latched Remove them at right angles with no side movements Take away on this direction ...

Page 12: ...anti static packaging 5 3 Reed switch Board This Refrigerator is equipped with a switch electronic system reed switches that are connected to the Reed Switch Board located inside of the Console on the Refrigerator frontal portion These switches along two magnets one located on the lower head of the Freezer door and the other on the upper head of the Refrigerator door informs the Electronic Control...

Page 13: ...ic Control to turn on off change speed according to the necessity function The Fan Motor always turns off when the Freezer door is opened When closing the door the Electronic System re starts controlling the activation of the Fan Motor Note Except during the Initial Test Routine factory routine which has priority over other functions see Component Tests and keep the Fan on during this time In case...

Page 14: ...cording to the temperature not according to the time as it used to be in other product models Technical Characteristics Nominal Tension Vdc Range Nominal Current A Potency W Velocidade rpm 24Vdc 20 4 to 27 6 Vdc 0 1A 2 9 W 2900 to 3500 rpm Remark In order to avoid the return of hot air re circulation air through the Wind flow whenever the Refrigerator Fan Motor is on the Freezer Fan Motor will als...

Page 15: ... minutes the product was connected to the electrical power supply see Initial Test Routine they will work individually Its actuation range will follow the temperature selection indicated at the Refrigerator Control LCD Panel which the Electronic Control Software will convert following the relation T ºC R Ω T ºC R Ω T ºC R Ω T ºC R Ω 50 0 181117 9 25 0 35050 0 0 0 8758 0 25 0 2681 8 49 5 174753 7 2...

Page 16: ...0 7 0 12626 6 18 0 3668 7 43 0 1268 4 31 5 52286 3 6 5 12294 2 18 5 3585 9 43 5 1243 6 31 0 50670 0 6 0 11971 6 19 0 3505 3 44 0 1219 4 30 5 49108 9 5 5 11658 4 19 5 3426 6 44 5 1195 8 30 0 47601 1 5 0 11354 4 20 0 3350 0 45 0 1172 6 29 5 46144 4 4 5 11059 2 20 5 3275 3 45 5 1150 0 29 0 44737 1 4 0 10772 7 21 0 3202 5 46 0 1127 9 28 5 43377 3 3 5 10494 4 21 5 3131 5 46 5 1106 2 28 0 42063 2 3 0 10...

Page 17: ...n at the table and graphic of the Refrigerator Temperature Sensor since they have the same electrical properties 5 6 3 Defrost Temperature Sensor NTC It s located at the freezer compartment along with the Evaporator returning pipe The Defrost Sensor is responsible for sending signs to the electronic control which will command the ending of the adaptive defrost turning off the Defrost Heater contai...

Page 18: ...perature Sensors use the SENSOR KIT code 326 013 997 which consist in Temperature Sensor 1 and connectors 2 as showed on the picture Field Provisions 1 Remove the defective Temperature Sensor 2 Apart the wiring cables Striping the wires is not necessary 3 Now insert one of the wiring cable into the 4 Then insert one of the sensor wires into the connector same connector 5 Using a pliers press the c...

Page 19: ...normal operation Upon a period of 5 minutes elapsing after the end of the Defrost cycle the Electronic Control will turn the Compressor on and as the Defrost Sensor reaches a temperature 2ºC below the one set by the Freezer Sensor the Fan Motors will be also activated and the unit will return to normal operation Summarily the Electronic Control activates the Defrost System which will execute the f...

Page 20: ...between freezer Door and Cabinet Open wires wiring harness Finally Interface board or Electronic Control main board Do the Interface Board LCD Display routine b Anti Bacteria Filter Alarm replacement time This product has a function that announce the correct time of Filter replacement which will occur after 4320 hours of plugged in product it means around 6 months of Filter life At this moment a C...

Page 21: ... Refrigerator must be present and correctly positioned If the doors are adjusted and closing correctly Poor contact between terminals connectors CN4 Interface board and CN2 Reed Switch Board at Electronic Control upper wiring harness between freezer Door and Cabinet Interrupted damaged wires d Temperature Alarm If the Electronic Control detects a High Internal Temperature above 8o C at the Freezer...

Page 22: ...rvice Call Alarm Icon and shows the Failure Code regarding to the Sensor in fault see below at the LCD Display as follows Alarm Code Sensor reader Temperature Icon indicator 01 Refrigerator Sensor Refrigerator Compartment 02 Defrost Sensor Refrigerator Compartment 03 Freezer Sensor Freezer Compartment If the product retrieves the normal operation at the first hour a momentary reading fault may occ...

Page 23: ... in the figure Cold Air circulation inside Compartments Internal cabinet paths Cold Air circulation Warm Air circulation air return 5 9 1 Air circulation on Freezer Compartment The Cold air is circulated inside this compartment by the Freezer Fan Motor that pushes it through the outlets windows of the Evaporator Cover and freezer Ceiling returning through the Freezer air Guide located on the freez...

Page 24: ... Support the Sensor itself from the Support and then disconnect the FC Fan Motor Connector Finally just loosen the 4 screws at the sides of the Cover and pull it out In order to disassembly the Fan Motor just remove the 4 screws that are attaching its support When reassembling take care with the wires position and sealing tapes Remove Remove Remove Remove ...

Page 25: ...rn duct 4 located on the lower right corner of refrigerator compartment where the Anti Bacteria Filter is located not available in some models returning again to the Evaporator that will cool down the air and make this a cyclic operation Inlet and Outlets air Ducts have different paths therefore both are inside internal of the cabinet The refrigerator air Diffuser has a Wind Flow System inside duc...

Page 26: ...the R 600a The refrigerant fluid load should always be checked on the product ID tag which usually is fixed onto the Cabinet rear portion REMINDER DO NOT USE ANTI FREEZING AGENTS e g Methyl Alcohol on the Sealed System reoperation as these agents damage the Compressor Only technicians skilled in the operation of Isobutane Sealed Units are authorized to maintain the products When reoperating the Pr...

Page 27: ... support Its function is help the compressor works efficient and not to execute startup 6 5 Condenser This refrigerator holds a new concept of built in Condenser which is known as the clinched To test leakage install a gauge to the inlet or outlet Condenser pipe close the opposite side then inject air pressure or cooling fluid in the system and follow through the gauge if there are pressure leak F...

Page 28: ...cur such as low refrigeration or frost formation in the Freezer compartment In the event of Evaporator replacement proceed as follows a Order a new Evaporator assy and 2 Lokring connectors according to Description Part Number Models Application R 600a Fluid Load g Lokring Connection 326 008 340 ARC8140IX Evaporator Assembly 326 046 948 ARC8140IX 58g Note The Evaporator assy include chute and defro...

Page 29: ...lower part of the Defrost Heater is fixed at the defrost gutter through claws in order to avoid ice bulding on this place Always secure the contact between these parts 6 8 Thermofuse Turned on in series connection with the Heater Defrost the thermofuse aims at protecting the product and do not allow Defrost Heater to be turned on continuously In case of failures in the defrost system when the Heat...

Page 30: ...is bushing type prevents the door from remaining half open in instances where the consumer has not noticed that the door did not close 6 13 Vegetable Drawer with Humidity Control Certain food types such as greens and fruits get dehydrated when stored in a cold and dry environment The Vegetable Drawer keeps an appropriate temperature and humidity for storing these food items preserving their natura...

Page 31: ...check will occur in the evaporator through the Defrost Sensor and then the Routine will start automatically The Defrost Heater is energized for 6 seconds Freezer Fan Motor is energized for 6 seconds Refrigerator Fan Motor is energized for 6 seconds After 18 seconds from the result temperature gained from the Defrost Sensor the Electronic Control will manage the activation of the compressor and fan...

Page 32: ...rn it on again and open the two doors Refrigerator and Freezer simultaneously Note Wait the Open Door Icons to be shown in the LCD Display 3 Close the 2 doors again 4 Press at the same time for 3 seconds the keys OK MENU Note In this moment the icons may switch on even some not available to this model of refrigerator and then will turn off automatically The code 9 must be shown on the Freezer Temp...

Page 33: ...left hand White color White product 1 326 037 537 Clicking Bushing for door reversion left hand White color 2 2 326 034 581 Intermediary Hinge for door reversion left hand 1 3 326 037 585 Plug door White color 4 4 326 042 729 Pin lower hinge for door reversion left hand 1 5 Not available EPS shim to help reversal process 1 326 048 135 Kit for door reversion left hand Gray color Inox Silver product...

Page 34: ...onnector into the cabinet housing then remove the plastic cover from left side and place it on the right hand On the left side of the cabinet release the hidden wire connectors then disconnect them keeping the female connector outside to plug it later on at the freezer Door connector Note The male connector must be kept inside of the cabinet housing Female Connector Male Connector ...

Page 35: ...nd side of the rail 4 Preparation of the Plinth lower Hinge Remove the right lower hinge pin and move the position of the Plinth complement to right side On the left side place the left lower hinge pin which is available in the KIT 5 Doors preparation On the Refrigerator Door remove the hinge Bushing then using a small screwdriver take out the plastic Cover On the left side do the same operation t...

Page 36: ...Close the end caps housing reassembling the finishing plastic cover in the right side and the plastic cover bushing in the left side At the lower part remove the right hand clicking bushing On the left side remove the bushing and place it in the opposite side where the right hand clicking bushing was installed Install the the left hand clicking bushing which is available on the Kit Repeat the same...

Page 37: ...ator Door and engage the upper hinge into that Door Connect the interface board LCD Display wiring connectors Hide the remain wiring into the cabinet housing Align both Doors and check the Gasket seal If necessary adjust them Tighten all hinge screws Place the hinge cover and reinstall all internal door shelves 7 Reversing the Handles Remove the allen Screws that fasten the freezer and refrigerato...

Page 38: ...ft hand side remove de door plugs Finally assembly the Handles inverting its position and fastening the allen Screws 9 REQUIRED TOOLS FOR SERVICING Temperature Thermometer Multi meter AC DC Ammeter Pliers Clamp Pliers Small and Large Screwdriver Socket Nutdrivers 6mm 8mm and Torx screwdriver T 30 Medium and Large Phillips screwdriver Allen screwdriver ...

Page 39: ...MSEX0105i Electronic No Frost Refrigerator Bottom Mount Dual Fan Maestro High 39 10 WIRING DIAGRAM ...

Page 40: ...e proper installation and minimum distance for embedding 10 cm on the top and 3cm on the sides If there are any utensils blocking the wind flow cold air outlet Unblock and advise the consumer If there were excess door openings or open doors Advise the consumer If the Refrigerator Temperature Set is on the proper position Advise the consumer On days too hot or with the Refrigerator too full the Tem...

Page 41: ...nents are working well if not replace the damaged component if yes check the Electronic Control PCB If utensils are placed directly on the cold air outlet Reposition them and advise the consumer Freezing in the Refrigerator Compartment If the Door Cooling is well fitted locked at the wind flow Fit the Door cooling to the correct position and advice the consumer about its function and the correct p...

Page 42: ...eaters near the product or direct sunshine on it Advise the consumer to detach or remove such heat sources Gasket bad sealing Adjust or Replace it If any wiring cables are chocking with the cabinet liner or fan motor Put them in the correct position and if is necessary use some adhesive tape to fix it If the product is unleveled Level it and advise the consumer Noise Fan Motor noise Advise the con...

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Whirlpool Multibras ARC8140IX, Service Manual

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