TABLE OF CONTENTS SAFE SERVICING PRACTICES ................MODEL TECHNICAL SPECIFICATIONS ..............COMPONENT OPERATION AND TESTING Safety Precautions ..........................5 Timer ..............................5 To test the timer ..........................5 Selector Switch ............................5 To test selector switch ........................5 Door Latch and Switch Assembly ......................6 To test door switches ........................
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Replace Motor Starting Relay ........................14 Disassembly of Pump and Motor ......................14 To remove motor and pump from dishwasher ................... 14 Repair Wash Pump ..........................15 Remove diffuser ..........................15 Remove upper wash impeller ......................15 Remove macerator blade from shaft ....................15 Remove pump housing cover ......................
COMPONENT OPERATION AND TESTING SAFETY PRECAUTIONS If the timer does not advance automatically according to the timer sequence chart, the timer needs to be Always turn off the electric power supply before servicing replaced. any electrical component, making ohm meter checks, To perform testing of the timer you will need to remove or replacing any part.
Operation of the Dispenser DOOR LATCH AND SWITCH ASSEMBLY The dishwasher has two detergent cups; one is molded The door latch and switches are located in the door into the inner door panel without a cover. The second assembly behind the control panel. The dishwasher is the dispenser having a spring-loaded cover with a will not operate until the door is closed.
When power is removed, the pivot arm spring forces WATER FILL VALVE the pin to the bottom of the slot. A leaf spring pushes The water valve is timer controlled and solenoid the rinse aid injector pump arm to the left so that the pin operated.
Water Will Not Shut Off: 7. If not, jumper out thermostat to see if timer advances. If timer advances, thermostat did not 1. Disconnect dishwasher from power supply. If water close. Replace thermostat. continues to flow, close main water supply valve and replace dishwasher valve.
Motor and Pump Assembly in Wash MOTOR AND PUMP ASSEMBLY The timer contact closes to send power to the motor The drive motor on this dishwasher is a 1/8 HP, 120 start relay, then on to the motor, starting the motor in volt, 60 HZ, 1 phase , 3.2 amp, 3450 RPM;...
Motor and Pump Assembly in Drain The timer contact closes to send power to the motor This pump will drain at a rate of 3 to 4 gallons of water start relay, then on to the motor. This time the motor per minute.
SERVICE AND REPAIR DISASSEMBLY SAFETY PRECAUTIONS To Replace Timer: 1. Disconnect dishwasher from electrical supply. Always turn off the electric power supply before servicing any electrical component, making ohmmeter checks, 2. Remove timer knob. Note: You may need to add or replacing any part.
Replace Selector Switch Note: Gasket for dispenser only comes with dispenser. 1. Disconnect dishwasher from the power supply. 2. Remove control panel. (See Remove Control Screws to mount Panel.) dispenser 3. Remove switch mounting screws. 4. Remove plastic shield from switch. Reinstall onto new switch.
5. To remove bracket, remove screw mounting bracket 6. Slide dishwasher forward to gain access to water to bottom of tub. inlet to tub and remove clamp. 6. To reassemble float switch and bracket, reverse 7. Install new tube in reverse procedure to complete order.
Replace Door Springs and Hinges 5. Install new relay. Reverse procedure to complete repair. 6. Start dishwasher motor to check operation. NOTE Springs and hinges can be changed without pulling dishwasher from under counter Disassembly of Pump and Motor The pump and motor are serviceable and are not 1.
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Repair Wash Pump Remove volute cover Remove volute cover held in by 2 T-20 Torx screws. Remove spray Arm 1. Remove tower by turning off counterclockwise from spray arm. 2. Remove 3/8” nut holding arm to diffuser. Remove diffuser Remove diffuser by removing 4 5/16” bolts holding diffuser to sump plate Remove lower pump impeller Remove Upper Wash Impeller...
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Motor to Sump Installation To Check Motor The motor on the dishwasher is a dual directional motor. nstallation of motor to pump housing requires centering 1. Disconnect power from dishwasher. of motor shaft using service tool P/N 154384901. 2. Remove access panel. Place pump housing on top of motor shaft lining up the 3.
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Exploded Views Location Chart Model Control Motor & Door Frame Racks Number Panel Pump FDR251RJR0 A - 2 A - 3 A - 6 A - 10 A - 11 A - 15 FDR251RJS0 A - 2 A - 3...
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CONTROL PANEL For M odel #'s FDR251RJR0 FDR251RJS0 FDS251RJR0 FDR252RBB0 FDR252RBS0 FDS252RBS0 A - 2...
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DOOR For Model #'s FDR251RJR0 FDR251RJS0 FDS251RJR0 A - 3...
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DOOR For Model #'s FDR252RBB0 FDR252RBS0 A - 4...
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RACK For M odel #'s FDR251RJR0 FDR251RJS0 FDS251RJR0 FDR252RBB0 FDR252RBS0 FDS252RBS0 A - 15...
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Dishwasher Tech Data Sheet Model Service Data Timer Timer Specifications Schematic Number Sheet Chart Block FDR251RJR0 154384501 B - 2 B - 3 B - 3 B - 3 FDR251RJS0 154384501 B - 2 B - 3 B - 3...
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SERVICE TECHNICIAN S USE ONLY Dishwasher Tech Data Sheet DO NOT REMOVE: SERVICE TECHNICIAN’S USE ONLY Lower pump housing and motor area WARNING: DISCONNECT APPLIANCE • Motor shaft seal damaged or defective. FROM ELECTRICAL SUPPLY BEFORE • Pump housing gasket not seated, screws not tight. SERVICING.