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Whirlpool WBM35LS, Service Manual

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Whirlpool WBM35LS Service Manual Download Page 27

MSEX0025_rev01

26

NOTE

: The SENSOR must be directed upwards. Do not let the SENSOR hit or rub out the fan helix.

6.8 - Replacing a Cable conection for Potency Module

In the need of replacing the cable Connector Assembly that connects to the Potency Module of these 
No Frost Electronic Refrigerators, order the Adapter Assembly, code 326.013.118, consisting of adapter
and 10 connectors (the same utilized for replacing Sensors)

Field Provisions

a)  Place the Adapter wire into the connector until the housing end.

Note: 

For all operations, stripping the wires is not required.

b)  Cut the relevant cable (wire) coming from the Cabinet and place it next to the connector
c)  Using a pliers, press the connector blade until locking the wires (cables)
d)  Repeat operations a, b and c, one after the other, until completing the 10 connections (cables)
e)  Close the connectors.
f)  Do the second isolation using a Tape. Cover all the wires in the same time
g)  Perform the Self-test routine at the end.

IMPORTANT

•

  The application of this Adapter must be done with extreme attention to avoid cables inversion that will

not occur.

•

  The connection must be done on a cable by cable (wire by wire) basis, pursuant their position in the

Connector and Color, for the cables coming from the Cabinet have different colors in accordance to the
Refrigerator model.

6.9 - Replacing Evaporator

These products are manufactured, with Suction Line foamed to the Cabinet, if replacing the Evaporator is
required, proceed:
 
a)  Order the Evaporator Assembly and 2 Lokring connections (see codes in the table below). 
b)  Remove the damaged Evaporator 
c)  Apply the new Evaporator, using 2 Lokring connections (8mm) to link the Suction Line,

Adapter Conector

Link Conector

PART No. 326.013.118

Cable Conector

Summary of Contents for WBM35LS

Page 1: ...ity of Whirlpool Australia Pty Limited Whirlpool is a registered trademark of Whirlpool U S A This documentation is intended only for qualified technicians who possess the required qualifications and are aware of the regulatory requirements applicable to servicing electrical appliances Whirlpool Australia Pty Limited Part No SM1101 A B N 28 003 578 023 WHIRLPOOL AUSTRALASIA CONSUMER SERVICES SERVI...

Page 2: ...pressor 18 5 4 Evaporator and Suction Line 18 5 5 Filter Dryer 18 5 6 Kickplate 18 5 7 Doors and Gaskets 19 5 8 Clicking Stop Bushing 19 5 9 Rollers and Levelling Feet 20 5 10 Vegetable Crisper Humidity Control 20 5 11 Neutraliser 20 5 12 Clean Back 20 5 13 Can Rack 21 5 14 Capacitor 21 6 COMPONENT ASSEMBLY DISASSEMBLY AND REPLACEMENT 21 6 1 Disassembling the Evaporator Front and Rear Covers 21 6 ...

Page 3: ...as Serial Number X X X XXXXXX The first digit indicates the Factory Plant in Brasil identified by a letter as follows C Rio Claro Plant P São Paulo Plant S São Bernado Plant J Joinville Plant I Imported Products M Manaus Plant The second digit indicates the manufacturing month of the product A January D April G July J October B February E May H August L November C March F June I September M Decemb...

Page 4: ...Kwh year 571 581 616 REFRIGERANT LOAD 90 95 100 COMPRESSOR MODEL TPH1380YXC TPH1380YXC TPH1380YXC R 134A TECUMSEH TP152JR TP152JR TP152JR COMPRESSOR POWER W or HP 196 or 1 4 196 or 1 4 196 or 1 4 3 FUNCTIONAL CHARACTERISTICS 3 1 Lamp activation system The WBM39 and WBM46 models are fitted with 15 watt Lamps one in the Refrigerator Compartment and the other in the Freezing Compartment except for WR...

Page 5: ... electronic control system consists of the following components Potency Module Temperature Sensor Interface Board The following described are the characteristics of each control system component Potency Module Fixed in the Cabinet located beside the Compressor and behind to the metallic cover The connection from the Potency Module to the Electric Line and Power Cable is made via connectors with fa...

Page 6: ... the door opening frequency The Temperature Sensor is located behind the Evaporator and is responsible for monitoring the Freezer inner temperature When the temperature on the Sensor is higher than the selected temperature range see table below the Potency Module will turn the Compressor on When the Sensor detects a temperature value lower than that of the selected range the Potency Module will tu...

Page 7: ...o 9 C 4 to 6 C 1 to 1 C WRM44 WBM46 Vegetable Drawer 13 to 15 C 10 to 12 C 7 to 9 C 3 2 3 Fan Motor Operation The Fan Motor is attached to the Evaporator Rear Cover by a bolt and is responsible for circulating the forced air inside the Refrigerator The Fan Motor Works independently from the Compressor and is managed by the electronic control Turns off whenever any of the doors is opened 3 2 4 Door...

Page 8: ... temporarily eliminates the Temperature Sensor performance the Compressor will remain on for up to 18 hours When the function is enabled the electronic control system stops controlling the Compressor and Fan Motor operation To disable it the FREEZING LEVEL button must be pressed again The product will then operate again on the last temperature range it was previously selected In case the function ...

Page 9: ...ater current and the defrost is finished The system however regards this as a FAULT In case this FAULT occurs on 3 consecutive defrosts the Refrigerator starts to operate normally again however all Leds except for the ON Led will flash and an alarm will sound at a frequency of 4 Hz 40 bips at every 10 seconds warning the consumer The consumer can disable the alarm by clicking on the ALARM OFF butt...

Page 10: ...olution Advise the client to close the door if it continues follow the instructions in item 3 2 7 1 2Hz Alarm Code 2 Off On On Fault Refrigerator Door open for more than 6 minutes Solution Advise the client to close the door if it continues follow the instructions in item 3 2 7 1 2Hz Alarm Code 3 Off Off On Fault Freezer Temperature over 0o C Solution Technician must visit client and proceed accor...

Page 11: ...ype of alarm is identified through interface Board LEDs that blink 20 times each 10 seconds together with sound Beeps being associated with Door Opened for more than one and half minute See Item 3 2 4 Door Management Lack of Magnet inside the Door these models have an injected Magnet foamed together with the Doors next to the Upper and Lower Heads as shown in item 3 1 Lights Actuation System so if...

Page 12: ...te The Door Management System will ALWAYS BE NULLIFIED while the product is under Alarm that is this checking procedure should only be performed after reading the Sensor Voltage IMPORTANT Under this Alarm status in which the product Cools Normally THE POTENCY MODULE SHALL NOT BE REPLACED for it will NOT solve the problem FIELD PROVISIONS Upon receiving this type of call direct the Customer to DO N...

Page 13: ...Sensor replacement will be required In this case in which the Temperature Sensor replacement is required proceed in accordance to the instructions given in item 6 7 Temperature Sensor Replacement IMPORTANT Remember that the Refrigerators Alarm has a function and this function must be accomplished whenever a product failure occurs Therefore DO NOT CHANGE SENSORS UNNECESSARY 3 2 7 2 4Hz Alarm This t...

Page 14: ...king is detected in these Refrigerators it is very important to perform the correct diagnosis on both the Defrost Heater and Bimetal for ensuring the perfect functioning by the time of performing the defrost procedure A Defrost Heater Test a 1 Perform the product self test as indicated in Item 4 1 Test Routine a 2 During the self test ensure that the Current indicated in the Ammeter Pliers display...

Page 15: ...eck the values shown on the Ammeter Pliers display B Defrost Bimetal Test With the contact bimetal closed product cool preferably below zero do it the continuity test between their points before start the Gauge Test it s one the way to check the eventual failure in the Termofuse Bimetal b 1 With the product cool preferably below zero secure the thermocouple of a Temperature Sensor to the body of t...

Page 16: ...tic defrost after functioning for 40 minutes As soon as the defrost starts the Compressor and the Fan that are turned on will be turned off by the Module and the Ammeter current comes near to zero b 5 In the following moment the Defrost Heater is actuated b 6 Monitor the refrigerator defrosting by the Ammeter Pliers for after a few minutes the Bimetal opens its contact and the current shown in the...

Page 17: ...ly performs a Test Routine which takes approximately 8 minutes Such routine will test automatically all loads components turning them on and off on a determined sequence It is advisable during these 8 minutes that the customer does not attempt to select the product functions as it will respond by activating Leds and Alarm what may confuse the consumer as this may lead him or her to tink the produc...

Page 18: ...n the Clamp Ammeter if the heater was switched on and compare the current value on the an Ammeter with the value of Defrost Heater Current Table If the value is different unplug the product from the power supply and check the element s ohmic value according to the Defrost Heater Ohmic Table value 11 Press the Freezer key and the heater will switch off 12 Press the Freezer key once again and the li...

Page 19: ...l models are being produced with their Suction Line positioned inside the polyurethane insulation foamed to the Cabinet and connected to the Evaporator by 2 Lokring Connections 8mm and no longer by weld In case of repair re operation replacement of such components proceed as indicated in Item 6 9 Replacing Evaporator or Suction Line 5 5 Cooling Fluid Drying Filter By operating with the R134A Cooli...

Page 20: ...jointly with the Door Panel The Gasket in turn is not foamed jointly with the Panel and Door and is not screwed and can be easily replaced by simply pulling it from bottom to top and fitted again by just placing it from top to bottom as per the below figure Such procedure ensures the Magnet will not break 5 8 Clicking Stop Bushing ...

Page 21: ...s get dehydrated when stored in a cold and dry environment The Vegetable Tray keeps an appropriate temperature and humidity for storing these food items preserving their natural characteristics For this reason the Vegetable Tray is equipped with a Humidity Controller which is a sliding plastic part allowing to control the air flow to the Tray inside as necessary It is recommended to keep the Contr...

Page 22: ...store cans easily it was developmented for stores up six cans simultaneously Note The Can Rack is not available for the WRM34 WBM35 models 5 14 Capacitor This is a march capacitor with a capacity of 5 µF its function is help the compressor works efficient and not to execute startup To replace it remove the metallic Cover of the power module to access its fastening nut 6 COMPONENT ASSEMBLING DISASS...

Page 23: ...s using the Electric Diagram 2 Unfasten the Binding Strap 3 Loosen the bulb Holder and remove it 4 To place the new Bimetal just attach it properly and connect its terminals 6 3 Replacing the Defrost Heater 1 Move the Defrost Chute front portion forward 2 Unfold the aluminum fins on the Evaporator sides which are holding the Heater 3 Disconnect its electric terminals 4 Move it away carefully and r...

Page 24: ...terminals from the Fan Set and replace it Note See the Fan Set Figure 6 7 Replacing the Temperature Sensor In the need of replacing the TEMPERATURE SENSOR use the SENSOR KIT code 326 005 854 consisting of 1 TEMPERATURE SENSOR 2 CONNECTORS 1 screw and 1 tying strap Air Diffuser Suplement Air Diffuser Diffuser Cover Damper Knob Damper Damper Housing ...

Page 25: ...triping the wires is not necessary 3 Now insert one of the cabinet wires into the 4 Then insert one of the sensor wires into the connector same connector 5 Using a pliers press the connector blade locking both wires The Connector has an internal metal blade that joints both wires at the moment of locking ...

Page 26: ...move the silicon grease from inside the connector for this grease protects the wire terminals against moisture and rust 6 Take the other connector and repeat the operation with the other wires 7 Secure the tying strap to the SENSOR cable and then fix the strap with a screw in the position of the fixing clamp Wire touching the bottom ...

Page 27: ... after the other until completing the 10 connections cables e Close the connectors f Do the second isolation using a Tape Cover all the wires in the same time g Perform the Self test routine at the end IMPORTANT The application of this Adapter must be done with extreme attention to avoid cables inversion that will not occur The connection must be done on a cable by cable wire by wire basis pursuan...

Page 28: ... R 134 A fluid Always use de Vacuum Pump When repair the Sealed System always change the Drier Filter using a new equivalent for R134 A 6 10 Replacing or Removing the Clean Back For replacing or removing the Clean Back 2 process method are showed as follows A Driller Using a hand drill remove all fastening rivets of the clean back Note Use 3 00 0 2 0 mm drill diameter Attention Inside of the foam ...

Page 29: ...be as mentioned earlier Tight screws slowly to avoid damaging back flange If so take a bigger screw in diameter and repeat process 7 REVERSE DOOR SWING OPTIONAL These refrigerators are factory assembled with the door opening toward the right side hinges and bushings located on the right side when facing the product For this models the reverse door to the left side is not required to change the Doo...

Page 30: ...plement 5 Install the lower hinge on the left side 6 Using a large phillips wrench open one hole using impact on the left side bottom End Cap refrigerator door at the place indicated 7 Install the left Stop Bushing on the left hand that was ordered 8 Remove the right Stop Bushing and connect on the right side bottom End Cap Refrigerator Door the plug that was ordered ...

Page 31: ...de 14 On the demarcated area and using a large phillips wrench open one hole using impact on the left side upper End Cap freezer door for do this operation follow the same way used in item 6 15 Install the left Clicking Bushing on the left hand that was ordered 16 Connect on the right side upper End Cap Freezer Door the plug that was ordered 17 Install the freezer door with openning toward to the ...

Page 32: ...r 02 326 024 682 Reversing Door Kit White color White Products 01 326 006 358 Clicking Bushing Left Hand Black color Freezer Door 01 326 006 357 Stop Bushing Left Hand Black color Refrigerator Door 01 326 012 577 Plug Black color 02 326 027 348 Reversing Door Kit Black color Inox Products 01 8 SMALL SIZED TOOLS NECESSARY Temperature Thermometer Multi meter Ammeter Pliers Clamp Pliers Cannon Wrench...

Page 33: ...MSEX0025_rev01 32 9 WIRING DIAGRAM ...

Page 34: ...tor too full the Damper Button should be set to maximum If there are any utensils blocking the cold air outlet Unblock and advise the consumer If there were excess door openings or open doors Advise the consumer Does not Chill Chills not much in the Freezer If the evaporator is blocked by ice There were problems in the defrosting Check if the Bimetal shows any problems if it is inproperly position...

Page 35: ...y to close the Doors If the product is unleveled Level it and advise the consumer If utensils and internal portions are properly positioned Position them properly and advise the consumer Food on the Vegetable Tray sweating If Vegetable Tray Humidity Controller closed Adjust the Humidity Controller to a more open position Unpleasant smell or taste on the food If the refrigerator is clean inside Adv...

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