Whirlpool 4322453 Instruction Manual Download Page 9 | Manualshive

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COMPONENT ACCESS & TESTING

OBJECTIVES:

Given the customer complaint about an electric range problem, the student should be able to
properly diagnose the problem, and then remove and replace the defective component. The
service procedure for each of the following components is discussed in this section:

•

Surface Heating Indicator

•

Electronic Oven Control

•

Infinite Switch (Element Control)

•

Oven Temperature Sensor

•

Electrical Terminal Block

•

Plug-in Surface Element & Terminal Block

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Oven Door

•

Broil Element

•

Bake Element

•

Oven Light Switches (door & panel )

•

Door Latch

•

Door Latching Mechanism

•

Oven Vent

•

Side Panel

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Summary of Contents for 4322453

Page 1: ...ELECTRIC RANGES 4322453 ...

Page 2: ...e meter probes 4 Touch the component terminals or wires with the meter probe tips only 5 Touch the meter probe tips only on the terminals being checked Touching other components could damage good parts PARTS QUALITY An important step in the appliance repair procedure is the selection of FSP FACTORY SPECIFICATION PARTS as replacements Use of fits all or look alike parts could result in early parts ...

Page 3: ...i Table Of Contents Section 1 Major Component Locations Page 1 Section 2 Component Access Testing Page 5 Section 3 Theory Of Operation Page 26 Section 4 Wiring Diagram Diagnosis Charts Error Codes Page 29 ...

Page 4: ...location of major range components as well as diagnose problems and remove and repair the components causing the problem INSTRUCTIONS This program has the following sections Major Component Locations Component Access Testing Theory Of Operation Wiring Diagram Diagnosis Charts Error Codes Complete the Major Component Locations section and have the instructor review the Performance Check before cont...

Page 5: ...nent in an electric range These components are the Surface Heating Indicator Electronic Oven Control Infinite Switch Element Control Oven Temperature Sensor Electrical Terminal Block Plug in Surface Element Terminal Block Broil Element Bake Element Panel Light Switch Door Light Switch Door Latch Door Latching Mechanism ...

Page 6: ...age Plug In Surface Element 1 of 4 Surface Element Terminal Block Broil Element Electrical Terminal Block Electronic Oven Control Infinite Switch Element Control 1 of 4 Bake Element Oven Temperature Sensor Door Light Switch Door Latching Mechanism Door Latch BA KE CU ST OM BR OI L AU TO CL EA N CL OC K TIM ER CA NC EL TE MP TIM E ST AR T EN TER 5 SE C OF F ON TIM ER CA NC EL 8888 BA KE BR OIL HE A...

Page 7: ...e the letter of each component name next to the arrow Do not refer back to the example on page 2 When you are finished take the book to the instructor and have the results recorded After you are signed off by the instructor proceed to the next section You have four 4 minutes to complete this exercise ...

Page 8: ...ght Switch A Surface Heating Indicator B Infinite Switch Element Control C Electronic Oven Control D Oven Temperature Sensor E Plug in Surface Element F Surface Element Terminal Block BA KE CU ST OM BR OI L AU TO CL EA N CL OC K TIM ER CA NC EL TE MP TIM E ST AR T EN TER 5 SE C OF F ON TIM ER CA NC EL 8888 BA KE BR OIL HE AT STA RT ...

Page 9: ... defective component The service procedure for each of the following components is discussed in this section Surface Heating Indicator Electronic Oven Control Infinite Switch Element Control Oven Temperature Sensor Electrical Terminal Block Plug in Surface Element Terminal Block Oven Door Broil Element Bake Element Oven Light Switches door panel Door Latch Door Latching Mechanism Oven Vent Side Pa...

Page 10: ...range by removing the mounting screws Leg In Anti Tip Bracket REAR PANEL BA KE CU ST OM BR OIL AU TO CL EA N CL OC K TIM ER CAN CEL TE MP TIM E ST AR T ENT ER 5 SEC OF F ON TIM ER CAN CEL 8888 BAK E BRO IL HEA T STA RT IMPORTANT NOTE When moving the range back into place make sure that the rear foot engages in the anti tip bracket Check to make sure that it is engaged properly by pulling forward o...

Page 11: ...from the terminals of the oven control NOTE The connectors are sized so that they cannot be installed incorrectly or interchanged on the board 4 From the back of the control panel remove the two screws from the oven control and remove it from the front panel WARNING The following tests require 240 volts AC Use extreme caution when making measurements Do not touch any component leads with your bare...

Page 12: ...the switch Element Control Infinite Switch Control Panel Control Knob Phillips Screw P L2 L1 H2 H1 P L1 L2 H1 H2 L1 L2 H2 H1 P TESTING AN INFINITE SWITCH ELEMENT CONTROL 1 Set the ohmmeter to the R x 1 scale 2 With no power applied disconnect the wires from the control terminals Turn the control to the HI setting and you should obtain continuity readings between the following terminals L1 and P L1...

Page 13: ... wires RED LENS SLIDE LIGHT HOLDER CLIPS OVER OFF SHOULDER FRONT OF CONTROL PANEL PRESS INDICATOR ARMS AGAINST PANEL AND SLIDE OVER LENS INDICATOR TESTING THE INDICATOR 1 Set the ohmmeter to the R x 10K scale 2 If not already done disconnect the indicator light 3 Touch the meter leads to the wire connectors of the indicator The meter should indicate 24 kΩ 24 000 Ω 5 ...

Page 14: ...the BROIL and CLEAN functions Perform the following steps to calibrate the electronic oven control see the illustration below 1 Press and hold the BAKE keypad for 5 seconds CAL is shown in the display 2 Pressing the TEMP TIME keypad Up s arrow adjusts the temperature in 10 F increments in the following sequence 0 10 20 30 30 20 10 0 3 Press the START ENTER keypad to activate the desired temperatur...

Page 15: ...RATURE SENSOR CONNECTOR SCREWS ROUTE WIRE THROUGH CLIP BACK OF RANGE TESTING AN OVEN TEMPERATURE SENSOR 1 Set the ohmmeter to the R x 10 scale 2 Touch the meter leads to the plug pins see the illustration The meter should indicate approximately 1100 Ω at 75 F For resistances at other temperatures refer to the chart below NOTE The readings are approximate Temperature F Resistance Ω 32 1000 75 1100 ...

Page 16: ...e terminal block cover screws push down to unhook the tabs from the chassis and pull it forward to remove it 3 Remove the wiring from the terminal block 4 Remove the mounting screws from the terminal block and remove it from the range PUSH DOWN TO REMOVE TERMINAL BLOCK COVER Tabs ...

Page 17: ...bowl and then pull the element prongs out of the terminal block L1 P H1 H2 L2 2100 W ELEMENT INFINITE SWITCH TESTING THE PLUG IN SURFACE ELEMENT 1 Set the ohmmeter to the R x 1 scale 2 With the element removed touch the meter leads to ends of the prongs The meter should indicate the following approximate 20 resistance for the indicated element 8 Element 18 20 Ω 6 Element 30 33 Ω ...

Page 18: ...m the edge of the terminal block MAINTOP CUT WIRES SURFACE ELEMENT TERMINAL BLOCK SCREW 2 3 5 Use the Surface Unit Terminal Block Replacement 330031 and follow the instructions contained in the package to install the new terminal block TESTING A SURFACE ELEMENT TERMINAL BLOCK 1 Visually inspect the terminal block for the following defects a Cracked block b Melted block c Internal arcing carbon bui...

Page 19: ... 15 Performance Check 1 Remove and test the oven temperature sensor 2 Locate the main electrical terminal block 3 Remove and test the surface elements 4 Replace a surface element terminal block ...

Page 20: ...lose the door to the broil position or until the door contacts the hinge pins 5 Lift the door up and pull the hinges out of the slots LIFT oven door range ROTATE OVEN DOOR HINGE Hinge Retainer Pin Position Raised End Up Insert Door Stop Clip Into Slot Over Door Hinge On Both Sides Of Oven Top Of Oven Door Hinge Slot In Oven Frame ...

Page 21: ...ve the rear panel from the range 4 From behind the range disconnect the wire connectors from the broil element terminals Bracket Broil Element Phillips Screw Top Bracket Phillips Machine Screw Top Bracket Blue Wire Broil Element Terminal Back Of Range 5 From inside the oven remove the screws from the brackets at the top of the broil element and from the mounting brackets then pull the element forw...

Page 22: ...oven racks 3 Remove the screws from the bake element bracket pull the bake element forward and disconnect the wire connectors from the terminals TESTING THE BAKE ELEMENT 1 Set the ohmmeter to the R x 1 scale 2 Touch the meter leads to the terminal connectors of the bake element The meter should indicate between 20 22 Ω ...

Page 23: ...pper console TESTING THE PANEL LIGHT SWITCH 1 Operate the switch and check it for continuity REMOVING THE DOOR LIGHT SWITCH 1 Unplug the range 2 Lift the cooktop and remove the screws from the burner box that are necessary to lift it and access the door light switch IMPORTANT Do not overbend the burner box at the back or you will crack the enamel finish 3 Push the old door light switch out of the ...

Page 24: ...ktop so the support arms lock 3 Remove the screws from the burner box and remove the burner box from the range 4 Remove the two oven door latch mounting screws from the front of the range 5 Unhook the actuator rod 6 Remove the oven door latch SCREWS DOOR LATCH ACTUATOR ROD ARM FRONT OF RANGE RUBBER SPACER WASHERS OVEN DOOR LATCH ...

Page 25: ... 7 From the back of the range remove the screws from the latch mechanism 8 Unhook the arm from the actuator rod on the latch mechanism 9 To remove the solenoid disconnect the two wires from the solenoid terminals and remove the two screws from the bracket 10 To remove a switch disconnect the wires from the terminals and remove the two screws from the switch body SHOWN FROM THE BACK OF THE RANGE AC...

Page 26: ...minals of the solenoid You should obtain a reading of between 50 55 Ω Solenoid Door Latch Switch N O Door Latch Switch N O SWITCH TERMINALS COM NO 5 Disconnect the wires from the switch terminals 6 Set the ohmmeter to the R x 1 scale 7 For the normally open switch connect the ohmmeter leads to the two terminals and check for an open circuit The ohmmeter should indicate infinity 8 Close the switch ...

Page 27: ...NT 1 Unplug the range 2 Remove the broil element 3 From inside the oven remove the screws from the oven vent and pull it down into the oven to remove it Bracket Broil Element Screw Oven Vent Phillips Machine Screw Top Bracket ...

Page 28: ...MOVING A SIDE PANEL 1 Unplug the range 2 Lift the cooktop 3 Remove the mounting screws from the top and rear of the side panel 4 Open the oven door and pull the storage drawer out several inches 5 Pull the rear of the side panel away from the range push it forward and unhook the three tabs from the slots at the front of the range ...

Page 29: ...ove and test the broil element 3 Remove and test the bake element 4 Remove and test both oven light switches 5 Remove the door latch 6 Remove and test the solenoid and switches on the door latching mechanism 7 Locate the oven vent 8 Remove a side panel ...

Page 30: ...uring that time the following events occur The Bake relay closes and current from the L1 side of the line becomes available to the Bake element The normally closed contact of the broil element is needed to complete this circuit The Bake system cycles on a 110 second cycling mode For the first 90 seconds of the cycling mode the Bake element is on For the last 20 seconds of the cycle the Broil eleme...

Page 31: ... P2 2 P5 P2 1 OVEN CONTROL BROIL RELAY P3 2 P3 1 The Clean Function During the oven Clean cycle the Bake element is used to bring the oven temperature up to approximately 875 see the following illustration The Broil element is not used The oven door must be locked during the time that temperatures are above 600 Use the following procedure to set the Clean function 1 Press the CLEAN keypad and 3 00...

Page 32: ...normal state As the latch solenoid locks the door it also activates the two door latch switches Both switches are normally open switches The lower switch is closed when the solenoid moves to lock the door and provides a logic circuit back to the electronic control board to indicate that the Clean cycle can safely continue The upper switch is held closed during normal operation to provide a circuit...

Page 33: ...INDICATOR LIGHT SURFACE INDICATOR LIGHT BROIL RELAY OVEN TEMP SENSOR 2600 W L1 P H1 Y Y H2 L2 LR 1500 W L1 P H1 BR BR H2 L2 RF 1500 W 3400 W R R R R R BAKE ELEMENT 3400 W L1 P H1 BU BU H2 L2 RR 2600 W BAKE RELAY LATCH SOLENOID RELAY LATCH SOLENOID BU GY Y Y W W W BK R DOOR LATCH SWITCH DOOR LATCH SWITCH DOOR LIGHT SWITCH OVEN LIGHT PANEL LIGHT SWITCH N O N O Diagram shows door latch switches in th...

Page 34: ...ns Oven element does not heat No line voltage Loose or bad wiring Check circuit breaker Check wiring see wiring dia gram Check element Defective element Line voltage should be minimum 220 volts 10 VAC If necessary electrician should repair cause for low line voltage Check wiring see wiring dia gram Check switch Cooktop element barely heats Low line voltage Loose or bad wiring connection at element...

Page 35: ...tive electronic control Overheating or runaway oven Premature burnout of bake element Improper use of oven e g being used to heat the home Use oven for baking only Damaged oven door gasket Improper cleaning Do not use harsh abrasives or scouring pads See Use Care instructions Food is burnt on bottom but not cooked on top Defective broil element Defective electronic oven control Loose or bad wiring...

Page 36: ...3 through 5 3 Disconnect the power for at least 30 seconds 4 Reapply power and observe for a minimum of 1 minute 5 If failure remains replace the control and then repeat step 4 Clean range overtemp Bake range overtemp Oven sensor shorted F3 F3 F3 F3 F3 E0 E0 E0 E0 E0 E1 E1 E1 E1 E1 E2 E2 E2 E2 E2 E3 E3 E3 E3 E3 F2 F2 F2 F2 F2 E0 E0 E0 E0 E0 E1 E1 E1 E1 E1 1 If the door is latched a Disconnect powe...

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