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Electrolux Built-In Dishwasher, Service Manual

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Electrolux Built-In Dishwasher Service Manual Download Page 60

60

5995432258

Cooling Performance Diagnostcs

Do not reset

power

Perforn Thermistor - Fan - Defrost Diagnostic

Code 0 - 7

Diagnostic will cycle through
checks 1 - 10
1 - 5 Thermistors
6 - 8  Fans
9 - 10 Deforst

Fan

P - Pass

F - Fail

Defrost

P - Pass

F - Fail

Thermistors

O - Open

S - Short

6 - FZ Fan
7 - FF Fan
8 - Cond Fan

9 - FZ Defrost
10 - FF Defrost

1 - FZ Air Temp
2 - FZ Defrost
3 - FF Air Temp
4 - FF Defrost
5 - Ambient Air

Put Unit Into 100 %

Run Mode

Code 1 - 2 **

Resistance or

Voltage Test of

Suspect

Thermistor

Put Unit Into

Defrost Toggle

Code 1 - 4

Check For Air Flow From Suspect Fan

Check Speed and Feedback Voltages

FZ Air - Cn06 3-5 Gry-Bm

FZ Def - Cn06 3-6 Gry-Red

FF Air - CN05 2-3 Gry-Yel

FF Def - Cn05 2-4 Gry-Pnk

Amb Air - CN02 12 Red to Cn03 4 Gry

Dagnostic Closes FF Heater 1*

1.2 amps at CN09 1 Wht
Press pad at Cn09 1 Wht

FZ Heater 3 amps Cn07 1 Brn

or

From Cn01-1 or Main switch

harness

FF1.2 amps FF & FZ 4.2 amps

Cond Fan *

Cn02 2-3 S/Blu-Gry 10.5 volts DC

Cn 1-3 Red-Gry  2.3 volts DC 85-97 Hz

FZ Fan

Cn06 2-3 Yel-Gry 10.5 volts DC

Cn06 1-3 Blk-Gry 2.3 volts DC 80-99 Hz

 FF Fan

Cn05 6-2 Om-Gry 7.3 volts DC

Cn 5-2 Brn0Gry 2 volts DC 77 Hz

* Condenser Fan Notes

Condenser fan will not run with room ambient temperature less than 45 Degrees F

Condenser fan will delay 5 minutes of compressor start up with ambient of 46 to 5 degrees F

With room ambient temperature greater than 50 degrees it will cycle with the compressor

** 100 % Run Mode over rides a fan stall condition

Summary of Contents for Built-In Dishwasher

Page 1: ...1 5995432258 Built in Side by Side Refrigerator May 2005 ...

Page 2: ...e the fuse Turn off the gas supply Turn off the water supply 3 Never interfere with the proper operation of any safety device 4 USE ONLY REPLACEMENT PARTS CATALOGED FOR THIS APPLIANCE SUBSTITUTIONS MAY DEFEAT COMPLIANCE WITH SAFETY STANDARDS SET FOR HOME APPLIANCES 5 GROUNDING The standard color coding for safety ground wires is GREEN or GREEN withYELLOW STRIPES Ground leads are not to be used as ...

Page 3: ...porator Components 49 Freezer Heater Testing 46 Fresh Food Evaporator Assembly 50 Fresh Food Evaporator Components 52 Fresh Food Heater Testing 50 Heat Exchanger 39 Icemaker Controls 11 Icemaker Fill Tube and Heater 31 Ice Bin and Icemaker 31 Ice Dispenser 35 Installation Example 42 Model 5 Interior Airfl ow 17 Interior Lights 42 Introduction 4 Machine Compartment Access Door 23 Main Switch 34 Muf...

Page 4: ...ealed system muffl ers quiet the operation Inverter is built into the power control board PCB Combined dispenser and temperature control board provides customer control and test mode operations Dispenser cube motor and cam replaces solenoid operated cube mechanism Room ambient thermistor aids power control board PCB operation Component electrical testing is performed at the machine compartment mou...

Page 5: ...e installed should be 1 4 O D copper tubing between the cold water line and water connection location The line should be long enough to extend to the front of the refrigerator Installation of an easily accessible shutoff valve in the water line is required Shipping height The front height may be adjusted from 83 1 2 to 84 1 2 by adjusting front and rear leveling legs a maximum of 1 DIMENSIONS AND ...

Page 6: ...6 5995432258 ...

Page 7: ...7 5995432258 DISCONNECT POWER CORD BEFORE SERVICING IMPORTANT RECONNECT ALL GROUNDING DEVICES ...

Page 8: ...rain heater FZ 377 7 Sub heater FZ 1322 7 Defrost heater FF 120 7 Drain heater FF 440 7 Fill tube heater 2645 7 Dispenser heater Recess 1889 7 Compressor between the different phase 11 7 7 1 phase 3 way valve 40 4 1 phase Water valve Ice maker 180 7 Water valve Dispenser 325 7 Technical Data Nomenclature TECHNICAL DATA IMPORTANT SAFETY NOTICE This information is intended for use by individuals pos...

Page 9: ... top of the refrigerator When service is completed return the mini manual to its original location for future use E42BS85EPS THE PS IS FOR STAINLESS STEEL E42BS75ETT THE TT IS FOR MODEL WITH TRIM ON DOORS Serial Number The first letter tells us where the product was made the second letter tells us what type product it is The first number is the year the product was made The next two numbers are th...

Page 10: ...ator and freezer The actual temperature may vary slightly from the SET temperature based on usage and operating environment NOTE The refrigerator is shipped with protective film covering the temperature controls If this film was not removed during installation remove it now Once the desired temperature has been set the temperature display will clear after 10 seconds To display the temperature the ...

Page 11: ...freezer temperature is above 40 F Quick Ice will not restart Below 40 F the refrigerator will return to the Quick Ice mode To Use the Dispenser Select CUBED CRUSHED or WATER Press the glass gently against the middle of the dispenser pad The spill shelf is not self draining To reduce water spotting the shelf and its grille should be cleaned regularly If no water is dispensed when the refrigerator i...

Page 12: ...12 5995432258 Component Locator Views Component Locator Views ...

Page 13: ...13 5995432258 Refrigeration System Refrigeration Components ...

Page 14: ... a liquid Depending upon whether the main control board opens the 3 way valve to the freezer evaporator or the fresh food and freezer evaporators refrigerant fl ows through the appropriate capillary tube and into the evaporator As the high pressure liquid passes through the capillary and enters the low pressure evaporator it quickly expands and evaporates During evaporation the refrigerant absorbs...

Page 15: ...reezer only or set for fresh food and freezer There is no 3 way valve setting for fresh food only If the fresh food thermistor is not satisfi ed but the freezer thermistor is satisfi ed the refrigerator will still operate with the 3 way valve set in the fresh food and freezer mode ...

Page 16: ...razing torch set Small 3 corner file Grit cloth or Scotch Brite 45 silver solder and flux 2 Start vacuum pump 3 Open hand shut off valve and slowly open both manifold valves turning counterclockwise for two full rotations CAUTION If high vacuum equipment is used just crack both manifold valves for a few minutes and then open slowly for the two full turns counterclockwise This will prevent the comp...

Page 17: ...mp the high side process tube with the pinch off tool while the unit is still running 10 Slowly open the high side manifold gauge valve to allow the compressor to remove any refriger ant trapped in the high side hose and the process fitting 11 Close both of the manifold gauge valves If the high side gauge reading rises the pinch off must be corrected before proceeding 12 Remove the high side proce...

Page 18: ...e discharge pressures and lower start up sound transmis sion Miscibility of r 134a and ester oil A special synthetic oil known as Ester oil is used as a lubricant in refrigeration systems operating on R 134a Ester oils are produced from alcohols and fatty acids and are available in several different variants Ester oils have a pleasant aroma reminiscent of fruit Ester oils generally include various...

Page 19: ...a lower pressure so a lower ultimate vacuum can be achieved See 2 Stage Vacuum Pump Figure E3 2 Stage Vacuum Pump Vacuum pump maintenance It is absolutely essential to maintain your vacuum pump according to the manufacturer s instructions including required oil changes at the recommended intervals Vacuum pump oil should always be changed after evacuating a contaminated system Vacuum pump performan...

Page 20: ...tors designed for use with R 12 may have a much lower sensitivity when used with R 134a However newly designed detectors with good R 134a sensitivity are now available Be sure to consult with the manufacturer before selecting or using a non selective detector with R 134a Halogen specific detectors use a specialized sensor that allows detection of compounds containing chlorine fluorine bromine and ...

Page 21: ...mum 20 in vacuum using the refrigerator compressor and recovery pump which is attached to the new drier assembly 3 Turn off the recovery pump Close the ball valve on the hose connected to the high side port connection Add 3 ounces of R 134a refrigerant to the system Let the refrigerator operate and circulate the refrigerant for 5 minutes 4 Open the ball valve Recover the purge sweep charge using t...

Page 22: ...top tower vent in the fresh food section Fans turn off when the doors are opened DC door switches control operation and delay 10 seconds before restarting when the doors are closed again The freezer door switch controls only the freezer fan The fresh food door switch controls both the fresh food and freezer fan operation Components ...

Page 23: ...he adjusting screw clockwise to raise the door or counterclockwise to lower the door A lockin screw using a Phillips head screw is used to hold the adjusting screw in place You must loosen this screw to adjust the door Note Raising the fresh food door too high will cause the upper hinge to bind on the machine compartment access door Door Stop The refrigerator has a 2 position door stop When space ...

Page 24: ...gasket out of the retaining channel 2 Soak the new gasket in warm water to make it pliable 3 Push the barbed edge of the gasket into the retainer channel Door Closer Assembly Each door is equipped with a door closer assembly that provides a smooth closing action and prevents the door from being slammed shut The assembly is connected to the bottom hinge When the door is open to a 90 position it wil...

Page 25: ...n place SideMagnetReplacement 1 Remove side case trim 2 The hot gas loop will be visible between the front baker strip and cabinet Carefully move the hot gas loop tubing out of the space between barker strip and cabi net The case magnet is behind the hot gas loop tubing 3 With the hot gas loop out of the channel the cabinet magnet can be removed from the channel using a flat screw driver or putty ...

Page 26: ... are each attached to the refrigerator with four 10 mm screws To access the screws raise or tilt the refrigerator Warning Use the appropriate safety equipment and lifting techniques Two persons may be required Drain Pan The drain pan can be removed for cleaning purposes Drain pan removal 1 Remove the toe plate 2 To remove the drain pan grasp the center of the drain pan and pull outward 3 To instal...

Page 27: ...oise Filter The noise fi lter is mounted in a recessed area in the PCB housing To access the noise fi lter 1 Remove 3 screws from the filter cover 2 Disconnect the 2 lead wires 3 Remove the 13 mm hex nut at the end of the noise fi lter that holds the ground wire in place To check the noise fi lter look for the epoxy molding to be broken or burnt by heat or a power surge The noise fi lter resistanc...

Page 28: ...28 5995432258 Control Board Connector Locator ...

Page 29: ...rminal block consists of AC and DC wire harness connectors To access the wire harness connectors remove the 4 Phillips head screws that hold the front cover in place Front Cover Terminal Block Panel with Cover Removed Note Through the service guide reference to the terminal block connectors may or may not contain a zero i e CN3 and CN03 are the same connector ...

Page 30: ...30 5995432258 Connector Description ...

Page 31: ...of ice in a 24 hour period To remove the icemaker 1 Remove the ice bin Remove 2 front screws that hold the ice bin shelf in place 2 Pull the shelf forward to access the icemaker plug then unplug the icemaker 3 Remove the 2 screws that hold the icemaker in place Remove the icemaker Check for 120 VAC to the icemaker at CN07 on the terminal block between pin 3 power and pin 5 neutral Icemaker Fill Tu...

Page 32: ...see Ice Bin and Icemaker 2 Remove the 2 screws that hold the ice bin shelf in place 3 Pull the shelf forward to expose the electrical connectors 4 Disconnect the auger motor wire harness and remove the ice bin shelf 5 Unsnap the auger motor cover to access the auger motor The auger motor is held in place by 4 Phillips head mounting screws To check the supply voltage to the auger motor select CUBED...

Page 33: ...pin 7 The cube reed switch is mounted to the cube motor housing A small magnet is attached to the motor lift cam The magnetic operation of the reed switch informs the power control Board PCB of the position of the cube motor lift cam To check the cube reed switch 1 Select CUBED on the ice dispenser control panel then press the dispenser pad to close the switch 2 Check for 5 VDC at CN06 on the term...

Page 34: ...nt Note Some force is required to remove the trim frame Control Module The control module is located on the back of the dispenser control panel The control module is held in place by 8 Phillips head screws The ambient thermistor is clipped to the bottom of the module housing Testing the Dispenser Control Pads Run the HMI Self Test 0 6 see Service Diagnostics If any portion of the test fails the co...

Page 35: ...chine compartment down the back of the cabinet through the bottom of the unit and into the fresh food compartment where it is attached to the water tank The water tank holds approximately 35 oz of water 4 QT The door dispenser supply line is routed from the cold water tank through the bottom of the unit and into the freezer door The dispenser valve blue coil delivers fi ltered water through the wa...

Page 36: ...r top right corner and the switch housing Use the screwdriver to slide the door to the left until the hinge pin is free Duct Door Motor Switch Housing The dispenser motor operates through 2 switches located in a housing at the top right corner of the dispenser cavity The dispenser motor switch housing is held in place by 4 Phillips head screws The duct door motor switches are held in place by 2 ta...

Page 37: ...m clockwise by hand to ensure proper door cam operation To avoid motor gear damage DO NOT rotate the motor cam counterclockwise The duct door motor operates at 120 VAC when energized by the power control board PCB The motor has resistance of approximately 2K W Check at CN08 on the terminal board between pin 4 neutral and pin 6 Dispenser Switch The dispenser switch pad must be removed to access the...

Page 38: ...all the new water line soak the new line in hot water to make it pliable and insert it into the door at the dispenser location Feed the water line into the door until it emerges through the bottom hinge as shown in the photo below The stainless steel panel is shown pulled away from the door for clarity Note On custom panel models it may be necessary to remove the door handle and slide the panel to...

Page 39: ... compressor is mounted within the compressor terminal cover The overload will open at 257 F 125 C and close at 156 F 69 C The overload should be checked at CN08 between the pin 14 and pin 15 light blue wires Note An open compressor overload will prevent the main control board from operating If voltage is present at CN01 and the refrigerator is dead except for the interior lights check to make cert...

Page 40: ...he two evaporators as needed and is controlled by the power control board PCB It is located on the right side of the condenser behind the condenser s front plate The 3 way valve is held in place by 2 Phillipshead screws The valve is composed of a magnetic coil and valve body Testing To test whether the 3 way valve is receiving asignal from the power control board 1 Turn the power OFF at the main s...

Page 41: ... valve tube This tube connects to the freezer capillary The corresponding freezer capillary has red paint above the braze joint The 3 way valve is extremely sensitive to heat When brazing thoroughly cover the valve base with heat absorbing paste part WR5X8927 Make certain to direct the fl ame away from the valve body Door Switches The refrigerator is equipped with an AC and a DC switch above each ...

Page 42: ...RNING The center terminal of the freezer light socket is energized whenever the refrigerator is plugged in and the main switch is closed regardless of door position Thermistors The main control board uses input from 5 thermistors Ambient Freezer Fresh Food Freezer Evaporator Fresh Food Evaporator The thermistors have a negative coeffi cient As the temperature increases the thermistor s resistance ...

Page 43: ... Food Only Once the fresh food temperature is satisfi ed natural defrost occurs on the fresh food evaporator if the following conditions have been met The compressor has accumulated 2 hours of run time The ambient room temperature is above 66 F 19 C The freezer temperature is satisfied If the above conditions have been met when the fresh food temperature is satisfi ed and the compressor cycles off...

Page 44: ...m ambient thermal load temperature settings number of door openings etc The fans are extremely QUIET and determining fan speed is very diffi cult As a general rule if the voltage measured at the fan is within limits and airfl ow is felt through the vents assume the fans are working correctly Note The fans will run on a 9 volt battery for testing purposes Use the two higher voltage pins as describe...

Page 45: ... Remove the water fi lter cartridge 2 Remove the 2 Phillips head screws from the water filter receptacle 3 Remove the 2 Phillips head screws from the front of the shroud assembly and disconnect the fan wiring 4 Bend the 2 wire retention tabs back to release the wire harness 5 Pull the fan forward and tilt it to the left to release the 2 water fi lter tubes from the channel at the top of the conden...

Page 46: ...an drain tube heater are in a parallel circuit The heaters are in series with the bimetal defrost safety thermostat Check for a combined resistance of approximately 38 Ohm at CN07 on the terminal block between pin 1 and pin 2 When the freezer is in defrost test mode 1 4 see Service Diagnostics check for supply voltage of 120 VAC at CN07 on the terminal block between pin 1 and pin 2 Note Access to ...

Page 47: ... the associated wiring Note The suction line drain pan heater has a resistance value of 1 3K Ohm 8 Carefully remove the styrofoam air duct Note The styrofoam air duct is held in place by adhesive 9 Remove the 2 Phillips head screws that hold the freezer plug cover in place then remove the freezer plug cover Freezer Plug Cover 10 Disconnect the freezer evaporator wiring Note When installing plug co...

Page 48: ...ly See Freezer Evaporator Assembly 2 To access the fan assembly screws support the evaporator assembly from the machine compartment grille mounting bracket with a bent wire hook see photo 3 Remove the 4 Phillips head screws that hold the evaporator fan assembly in place Remove the evaporator fan assembly Evaporator Assembly Note When installing the fan assembly ensure that the housing lip inserts ...

Page 49: ...orator Components To access the freezer evaporator components 1 Access the freezer evaporator assembly See Freezer Evaporator Assembly 2 Remove the freezer evaporator fan assembly See Freezer Evaporator Fan Assembly 3 Access the freezer evaporator See Freezer Evaporator Defrost Safety Thermostat To remove the defrost safety thermostat remove the single Phillips head screw from the thermostat mount...

Page 50: ...nserting a fl at blade screwdriver into the slot see photo and lifting up 2 Remove 4 Phillips head screws from the fresh food air duct cover Pull the front of the cover down 3 Disconnect the thermistor and lighting connector Remove the fresh food air duct cover 4 Remove the 4 Phillips head screws that hold the refrigerator suction line drain assembly in place Remove the assembly 5 Remove the 2 Phi...

Page 51: ...rom the evaporator assembly Fresh Food Evaporator To access the fresh food evaporator 1 Access the fresh food evaporator assembly See Fresh Food Evaporator Assembly 2 Remove the fresh food evaporator fan assembly See Fresh Food Evaporator Fan Assembly 3 Remove the tape from the front of the Styrofoam cover Note the position of the wires under the tape The tape must be replaced after repair 4 Remov...

Page 52: ...porator can be replaced as a complete unit including the defrost components and fan assembly or it can be replaced as an individual component The fresh food evaporator can be replaced as a complete unit or as an assembly consisting of the evaporator and defrost heater the fresh food defrost heater is not available separately To replace the freezer or fresh food evaporator 1 Access the specifi c ev...

Page 53: ...the evaporator 9 Install the new evaporator and carefully bend the tubing to the correct position Braze the suction line and capillary tubing 10 Replace the drier part WR86X93 and install a process valve part WJ56X61 at the compressor 11 Reinstall the remaining components within the cabinet section while the braze joints are cooling 12 Charge the system with the exact amount of refrigerant 8 11 oz...

Page 54: ...n the COLDER or WARMER pads to enter that mode Note A test mode must be selected within 30 seconds of entering the diagnostic mode or it will time out normal refrigerator operation will resume and the displays will turn off Once a test mode is selected the display will flash to confirm the mode selected 5 At the end of a test session to exit the diagnostic mode do one of the following Enter 1 on t...

Page 55: ...ressing the COLDER pad on the FREEZER display and the WARMER pad on the REFRIGERATOR display for 3 seconds the display must be lit before pressing the pads Note 2 HMI Self Test Once the HMI self test is started all of the LEDs and seven segment LEDs will illuminate The COLDER pad turns off the seven segment LEDs and the WARMER pad turns off the SET LED for both the FREEZER and REFRIGERATOR display...

Page 56: ... power OFF or enter test mode 1 5 to reset and exit this mode Note The 3 way valve position during 100 run time depends on the fresh food temperature If the fresh food temperature is satisfied the 3 way valve opens to the freezer evaporator only If it is not satisfi ed the valve opens to the fresh food evaporator and refrigerant flows through both evaporators Note 5 Toggle the State of Defrost Any...

Page 57: ...57 5995432258 leshooting Notes Schematics Warranty Troubleshooting Notes ...

Page 58: ...58 5995432258 Schematics ...

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Page 60: ...6 3 6 Gry Red FF Air CN05 2 3 Gry Yel FF Def Cn05 2 4 Gry Pnk Amb Air CN02 12 Red to Cn03 4 Gry Dagnostic Closes FF Heater 1 1 2 amps at CN09 1 Wht Press pad at Cn09 1 Wht FZ Heater 3 amps Cn07 1 Brn or From Cn01 1 or Main switch harness FF1 2 amps FF FZ 4 2 amps Cond Fan Cn02 2 3 S Blu Gry 10 5 volts DC Cn 1 3 Red Gry 2 3 volts DC 85 97 Hz FZ Fan Cn06 2 3 Yel Gry 10 5 volts DC Cn06 1 3 Blk Gry 2 ...

Page 61: ...61 5995432258 Refer to Test Function above ...

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