EdgeStar BIDW1802 Service Manual
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EdgeStar BIDW1802 Service Manual

18” built-in dishwasher
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Document Type: Service Manual
Version: V1.0 02042019
BIDW1802 Service Manual
18" Built-In Dishwasher
BIDW1802BL / BIDW1802SS / BIDW1802WH
CAUTION: Read all safety precautions in the manual
before servicing the unit
EdgeStar, 8606 Wall St, Suite 1600, Austin, TX 78754
support.edgestar.com • service@edgestar.com • edgestar.com
*Warranty service should be performed by an authorized service representative only.

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Summary of Contents for EdgeStar BIDW1802

  • Page 1 BIDW1802BL / BIDW1802SS / BIDW1802WH CAUTION: Read all safety precautions in the manual before servicing the unit EdgeStar, 8606 Wall St, Suite 1600, Austin, TX 78754 support.edgestar.com • service@edgestar.com • edgestar.com *Warranty service should be performed by an authorized service representative only.

  • Page 2: Table Of Contents

    Table of Contents SAFETY PRECAUTIONS .............................. 2 General Safety ................................2 Electrical Safety ................................. 3 Component Location View ............................. 4 Front View ................................. 4 Top View ................................... 4 Interior View ................................5 Detergent / Rinse Aide Compartment View ....................... 5 Interior View of Basin ..............................

  • Page 3: Safety Precautions

    SAFETY PRECAUTIONS WARNING: This manual and the information contained herein is intended for use by certified technicians. The manufacturer or seller is not responsible for the interpretation or misuse of the information provided, nor does it assume any liability in connection with its use. The safeguards and warnings indicated in this manual do not cover all possible conditions which may occur.

  • Page 4: Electrical Safety

    Electrical Safety  Do not exceed the power outlet ratings.  It is recommended that the unit be connected to its own circuit.  A standard electrical supply that is properly grounded in accordance with the National Electrical Code and all state and local codes and ordinances is required. ...

  • Page 5: Component Location View

    Component Location View Front View Top View...

  • Page 6: Interior View

    Interior View Detergent / Rinse Aide Compartment View...

  • Page 7: Interior View Of Basin

    Interior View of Basin Left Side View...

  • Page 8: Bottom View

    Bottom View Note: Drain hose shown is shipping configuration...

  • Page 9: Pcb Connection Locator View

    PCB Connection Locator View CON1 L-N CN1 Not used CON2 120V AC output CN2 Connecter to display board Pin1=Drain pump CN3 Turbidity sensor Pin2=High speed – Wash Pump CN4 Flow meter / leak detector Pin3=Low speed – Wash Pump CN5 Water valve and door switch Pin4=Not used CN6 Dispenser and door switch Pin5=Not used...

  • Page 10: Dishwasher Components

    Dishwasher Components Outer Door The outer door panel covers the inner door to the dishwasher and must he removed to access the detergent/rinse module and bottom door seal. To remove the outer door panel, first remove the 6 screws, and then separate the panel from the inner door.
  • Page 11 3. Disconnect the signal line and remove the handle cover 4. Remove the 4 screws...

  • Page 12: Door Switch Assembly

    5. Remove the PCB user interface board Door Switch Assembly The door switch assembly consists of the door lock and door latch. The door lock is connected to the line (hot) side of 12 VAC. WARNING: Power remains applied to the controller location at CN6, Pin 1. while the door is open (unlatched).

  • Page 13: Detergent / Rinse Aid Module

     Remove the 2 screws Detergent / Rinse Aid Module The outer door must be removed to access the detergent / rinse aid module. (See Outer Door.) The detergent/rinse module is connected by 4 wires and held in place by 10 snap joints.
  • Page 14 The detergent/rinse module automatically dispenses both the detergent and the rinse aid at the appropriate times. The module is activated five times during a wash cycle. Detergent is dispensed at the beginning of the main wash cycle for one time and rinse aid at the beginning of the final rinse for four times.

  • Page 15: Inner Door Panel

    Inner Door Panel To remove the inner door panel: 1. Disconnect power. 2. Remove the control panel. (See Control Panel.) 3. Remove the detergent/rinse module. (See Detergent / Rinse Aid Module.) 4. Remove the 2 screws from the hinge panel. 5.

  • Page 16: Door Bottom Seal

    Door Bottom Seal The door bottom seal prevents water leakage by sealing the bottom of the door to the tub. It cannot be replaced as a separate part on this dishwasher. It must be replaced as part of the inner door panel. (See Inner Door Panel.) Tub Gasket and Trim The dishwasher tub seal prevents water leakage.

  • Page 17: Air Breaker Assembly

    Air Breaker Assembly The air breaker assembly is mounted on the left side of the tub. Its purpose is to provide a method of supplying water for the wash and rinse cycles. The air gap prevents the dirty wash water from flowing back into the water supply system and prevents the water pressure from dropping to less than atmospheric pressure.

  • Page 18: Nozzle Duct

    Nozzle Duct 1. Disconnect the power 2. Open the door, remove the spray arm and the 2 screws on the lower spray panel. 3. Release the snap joints shown in the picture below then take out the nozzle duct and lower spray panel. The Printed Circuit Board is the center of the dishwasher.

  • Page 19: Water Inlet Valve

    6. Remove the 2 snap fittings that attach the PCB to the control box. 7. Disconnect the wire connections and replace the PCB. Water Inlet Valve The water inlet valve is electronically controlled and solenoid-operated. The water valve has an approximate resistance value of 1 KΩ. The water valve is mounted on a bracket located on the left side of the front brace.

  • Page 20: Pressure Switch

    5. Carefully remove the 2 screws that hold the water valve to the front brace – do not strip the screws. 6. Remove the plastic bracket for the valve like pictured below. 7. Disconnect the wire from the solenoid. 8. Remove the clamp and outlet hose from the valve. Note: Do not reuse the clamp when replacing the air breaker assembly.
  • Page 21 To remove the pressure switch: 1. Disconnect the power and lay the dishwasher on its back. 2. Remove the 1 screw that attaches the base cover to the base, then use a flat- head screw driver to release the snap joints. 3.

  • Page 22: Drain Pump Assembly

    Drain Pump Assembly The drain pump assembly is located under the tub and operates on 120 VAC. It is energized for the first 60 seconds of a new cycle and 90 seconds after the wash pump shuts down to remove any water in the dishwasher sump. The drain pump forces water out of the drain line.

  • Page 23: Turbidity Sensor

    Note: If the thermistor is not operating, the hot wash cycle will set a default time for the heating element to cycle. To remove the thermistor: 1. Disconnect the power. 2. Lay the dishwasher on its back. 3. Remove the 1 screw that attaches the base cover to the base, then use a flat- head screw driver to release the snap joints.

  • Page 24: Heating Element

    4. Remove the wiring harness connected to the float switch on the base cover. 5. Disconnect the turbidity sensor wire harness. 6. Release the snap joints to remove the turbidity sensor. Note: Ensure the 0-ring is retained in the turbidity sensor before reassembly. Heating Element The heating element maintains water temperature during the wash and rinse cycles and heats the air during the drying cycle.

  • Page 25: Wash Pump Assembly

    7. Remove the two nuts and washers that attach the heating element to the bottom of the tub. 8. Lift the backside of the heating element and release it from the 2 retainers. Wash Pump Assembly (Pump and Motor) The wash pump assembly is located under the tub on the right of the sump assembly. The motor utilizes a start capacitor rated at 10μfd.
  • Page 26 6. Remove clamps and pump outlet hose. 7. Remove clamps and pump inlet hose. 8. Disconnect the motor wire harness, the motor ground wire and rubber bracket. Note: Factory-installed hose clamps are not reusable. Replace the old clamps with new screw type hose clamps. To remove the motor capacitor: 1.

  • Page 27: Sump Assembly

    Sump Assembly The sump assembly consists of the filter assembly, micro-filter, connecting pipe, sump gasket and sump. The filter assembly prevents large particles from reaching the micro- filter, and the micro-filter prevents small particles from reaching the sump. The filter assembly rests above the sump and the micro-filter sits above the sump basin.

  • Page 28: Sump

    Note: Factory-installed hose clamps are not reusable. Replace the old clamps with new screw type hose clamps. Sump Front View Rear View...

  • Page 29: Troubleshooting

    Troubleshooting Factory Diagnostic Mode To enter the factory diagnostic mode: 1. Turn the dishwasher off and make sure all LEDs are off. 2. Disconnect the power 3. Reapply power with the door open and press and hold both the Rinse and Start/Cancel button within 60 seconds.

  • Page 30: Error Codes

    Error Codes Code Error Possible Reason 1. Check the water supply During the water inlet step, if 2. Check the inlet valve the flow meter does not detect 3. Check the inlet line the correct amount of water 4. Check the flow meter after 4 minutes the E1 code 5.

  • Page 31: Exploded Views And Parts List

    Exploded Views and Parts List...

  • Page 38: Wiring Diagram

    Wiring Diagram WARNING: Disconnect electrical power before servicing. Caution: Label or take pictures of all wires prior to disconnection. Wiring errors can cause improper and dangerous operation. Verify operation after servicing. Code Designation Code Designation Code Designation Salt Detector Blue Live(Alternating Current) Neutral (Alternating Current) Wash Pump...

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