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Service Manual for Thermador Pro Grand Dual Fuel Ranges: 

PRD304EG,

 

PRD364EDG, PRD364EDPG, PRD364ELG, PRD366EG, PRD366EPG, PRD484ECG, PRD484EEG, PRD486EDG, PRD486EDPG, PRD486ELG

 

 
 

 

 

 

 

 

 

 

58300000157422_ARA_EN_A

 

 

 

 

 

 

 

      Page 2 of 95

 

TABLE OF CONTENTS 
 

1

 

General ..................................................................................................... 5

 

1.1

 

Applicable Models ......................................................................................... 5

 

1.2

 

Data Rating Plate .......................................................................................... 5

 

1.3

 

Wiring Diagram ............................................................................................. 5

 

1.4

 

Technical Documents to Read Prior to Servicing .......................................... 6

 

1.5

 

Recommended Tools and Supplies .............................................................. 6

 

1.6

 

Important Safety Information ......................................................................... 6

 

1.6.1

 

Safety Symbols Used In This Manual .................................................... 6

 

1.6.2

 

Safety Precautions to Know Prior to Servicing....................................... 6

 

2

 

Operation .................................................................................................. 9

 

2.1

 

Knobs and Controls....................................................................................... 9

 

2.1.1

 

Standard Burner Knob ........................................................................... 9

 

2.1.2

 

ExtraLow Burner Knob ........................................................................... 9

 

2.1.3

 

Griddle Control Knob ............................................................................. 9

 

2.1.4

 

Grill Control Knob................................................................................. 10

 

2.1.5

 

Temperature Selector Knob ................................................................. 10

 

2.1.6

 

Five-Position Oven Function Selector Knob......................................... 10

 

2.1.7

 

Six-Position Oven Function Selector Knob .......................................... 10

 

2.1.8

 

Oven Lamp Switch............................................................................... 11

 

2.2

 

LED Indicators............................................................................................. 11

 

2.3

 

Automatic Re-Ignition.................................................................................. 11

 

2.4

 

Operation During a Power Outage .............................................................. 11

 

2.5

 

Maintop Components and Burner Assembly ............................................... 11

 

3

 

Testing, Adjusting, Troubleshooting Burners and Ignition .............. 12

 

3.1

 

Before Testing............................................................................................. 12

 

3.2

 

Rangetop Burner Characteristics ................................................................ 12

 

3.3

 

Rangetop Flame Characteristics ................................................................. 13

 

3.4

 

Testing Rangetop Burner Ignition................................................................ 14

 

3.4.1

 

Testing Ignition for HI, Medium, and Low Settings............................... 14

 

3.4.2

 

Testing Ignition for XLO Setting ........................................................... 14

 

3.5

 

Adjusting Grill Burner Flame with the Air Shutter ........................................ 14

 

3.6

 

Adjusting Rangetop Burner Valves Manually .............................................. 15

 

3.6.1

 

Special Tools Needed .......................................................................... 15

 

3.6.2

 

Adjusting the Bypass Screws............................................................... 15

 

3.7

 

Troubleshooting Burner, Flame, Ignition, and Elements ............................. 16

 

3.7.1

 

Burner and Flame Diagnostics for Rangetop Burners.......................... 16

 

3.7.2

 

Ignition Diagnostics for Rangetop Burners........................................... 16

 

3.7.3

 

Element Diagnostics ............................................................................ 18

 

3.7.3.1

 

Safety Practices for Element Diagnostics ..................................... 18

 

3.7.3.2

 

Element Diagnostic Tips ............................................................... 18

 

3.7.3.3

 

Element Cycle/Circuit Specification .............................................. 18

 

3.8

 

Fault Codes................................................................................................. 19

 

4

 

Service and Repair ................................................................................ 21

 

4.1

 

Preparing the Range for Servicing .............................................................. 21

 

4.2

 

Accessing Components under the Maintop................................................. 21

 

4.2.1

 

Removing Knobs, Grates, Trim, Burner Assemblies ............................ 21

 

4.2.2

 

Removing Spill Trays ........................................................................... 23

 

4.2.3

 

Removing Heat Shields ....................................................................... 23

 

4.2.4

 

Removing the Burner Support Rail ...................................................... 24

 

4.3

 

Griddle Removal and Replacement ............................................................ 26

 

4.3.1

 

Griddle with Removable Brackets – Removal and Replacement ......... 26

 

4.3.2

 

Griddle with Fixed Brackets – Removal and Replacement .................. 30

 

4.4

 

Grill Components – Removal and Replacement ......................................... 32

 

Summary of Contents for PRD364EDPG

Page 1: ...1 Before Testing 12 3 2 Rangetop Burner Characteristics 12 3 3 Rangetop Flame Characteristics 13 3 4 Testing Rangetop Burner Ignition 14 3 4 1 Testing Ignition for HI Medium and Low Settings 14 3 4 2 Testing Ignition for XLO Setting 14 3 5 Adjusting Grill Burner Flame with the Air Shutter 14 3 6 Adjusting Rangetop Burner Valves Manually 15 3 6 1 Special Tools Needed 15 3 6 2 Adjusting the Bypass S...

Page 2: ... Board Removal and Replacement 57 4 5 16 Hot Surface Igniter Board Removal and Replacement 58 4 5 17 LED Indicator Removal and Replacement 59 4 5 18 Ignition Spark Module Removal and Replacement 59 4 5 19 Door Latch Removal and Replacement 60 4 5 20 Plunger Switch Removal and Replacement 62 4 5 21 Griddle and Grill Thermostat Removal and Replacement 63 4 5 22 Control Panel and Bullnose Removal and...

Page 3: ... PRD364EDG PRD364EDPG PRD364ELG PRD366EG PRD366EPG PRD484ECG PRD484EEG PRD486EDG PRD486EDPG PRD486ELG 58300000157422_ARA_EN_A Page 4 of 95 5 Before Returning Appliance to Service 94 6 Clean Up 95 7 Additional Resources 95 7 1 QuickFinder 95 7 2 Technical Support 95 ...

Page 4: ... safety of the appliance can be affected by an improper repair and even serious threats to life or physical condition may arise BSH Home Appliances Corporation is not liable for damages caused by improper repairs performed by unauthorized parties Local codes and standards apply and must be observed Contact Technical Support for further assistance at 800 444 9091 1 2 Data Rating Plate The data rati...

Page 5: ...eak test equipment Pipe sealant Small mirror Air sled or dolly Protective eye wear such as glasses goggles Flashlight Amp meter Thermometer with thermocouple leads Multimeter 1 6 Important Safety Information Before starting to service an appliance familiarize yourself with all safety information and precautions contained in this manual 1 6 1 Safety Symbols Used In This Manual Warnings alert you to...

Page 6: ...hen performing gas leak testing Electrical Hazards Before servicing the appliance remove electrical power by disconnecting the power cord from the wall receptacle by shutting off the circuit breaker or by disconnecting the proper fuse If tests have to be conducted while the appliance is live always use a residual current operated circuit breaker The protective conductor connection must not exceed ...

Page 7: ...eaner on or around the rangetop when hot Some cleaners produce noxious fumes if applied to a hot surface Follow directions provided by the cleaner manufacturer Fiberglass Insulation Wear gloves when handling fiberglass insulation Prior to Returning Appliance to Service Prior to returning the appliance to service make sure that All electrical connections are correct and secure All safety grounds in...

Page 8: ... 4 seconds 2 For the standard burners rotate the knob to any setting between HI and SIM NOTE The blue LED indicator lights up when burners are lit Figure 2 Standard Burner Control Knob 2 1 2 ExtraLow Burner Knob When in XLO mode the very lowest flame setting the flame cycles on for approximately 8 seconds and then turns off for 52 seconds of each minute 1 Press a control knob in and turn counter c...

Page 9: ...re Selector Knob Use this knob for setting the oven temperature broil and speed clean mode The small oven does not have the speed clean feature See Figure 6 Figure 6 Temperature Knobs Small Oven Left Large Oven Right 2 1 6 Five Position Oven Function Selector Knob For the small oven of 48 inch ranges only use this knob for bake convection bake broil and speed clean see Figure 7 Figure 7 Five Posit...

Page 10: ...respective igniter electrode automatically re ignites the flame 2 4 Operation During a Power Outage When there is a removal of electrical power the XLO burners griddle and grill cannot be used Do not attempt to light them manually during a power outage m Caution Power Outage Precautions Ventilate well by opening a door or window and wait at least five minutes until all the gas dissipates If you sm...

Page 11: ... aligned correctly and that the ignition wires are properly positioned 2 To test for gas leaks make sure the electrical power is removed and the manual gas shut off valve is open and then carefully check range components and gas supply for leaks using a gas leak detector or bubble test 3 After gas checks are complete and before testing connect the range to the electrical power supply 3 2 Rangetop ...

Page 12: ...LP gas Slight yellow tips on the primary flame cone are normal and may appear after a few minutes The flame should be stable with no excessive noise or fluttering Orange colored streaks in the flame are produced from burning airborne debris which is normal at startup and should dissipate in a few minutes see Figure 14 When the flame is properly adjusted it should burn completely around the burner ...

Page 13: ...O feature Set the burner knob to a setting between SIM to XLO and observe if the flame cycles correctly it should be on for approximately 8 seconds and then off for approximately 52 seconds of each minute 3 5 Adjusting Grill Burner Flame with the Air Shutter Models with grill only The grill s gas burner has an air shutter system that is factory pre set to burn optimally but depending on the qualit...

Page 14: ...el 3 For newer models Remove and retain the two bezel mounting screws and remove the bezel 4 For older models Valve screws can be accessed directly through the control panel without removing the bezel mounting screws 5 To engage the valve screw insert the precision screwdriver with a 1 8 inch blade into the same hole in the bezel that was created by the removal of the right side mounting screw see...

Page 15: ...ner cap is properly aligned on the burner base Check if the burner port is open and not clogged or blocked Check if the igniter electrode is free from debris and is sparking If it is suspect that air is in the gas supply lines and system you can purge the remaining air by operating one of the burners for several minutes Check if a fuse has blown or a circuit breaker has tripped For constant sparki...

Page 16: ...Pro Grand Dual Fuel Ranges PRD304EG PRD364EDG PRD364EDPG PRD364ELG PRD366EG PRD366EPG PRD484ECG PRD484EEG PRD486EDG PRD486EDPG PRD486ELG 58300000157422_ARA_EN_A Page 17 of 95 Figure 19 Rangetop Burner Ignition Diagnostic Flowchart ...

Page 17: ...y when the oven is hot Test oven temperature using a thermometer with a thermocouple lead If you leave the thermocouple in the oven during a speed clean cycle keep in mind it will take a few hours before the oven is cool enough if you plan to retrieve the thermocouple 3 7 3 3 Element Cycle Circuit Specification Cavity Cycle Element s Mode Watts Volts Amps Ohms 18 inch Bake Bake element Active 4000...

Page 18: ...e model the blue LEDs that blink are located either horizontally or vertically on the control panel The horizontal positioned blue LEDs see Figure 20 and Figure 21 will first blink on the left and then the right and the vertical positioned blue LEDs see Figure 22 will first blink on the top and then the bottom For example if the first LED blinks 4 times followed immediately by the second LED blink...

Page 19: ...al for Thermador Pro Grand Dual Fuel Ranges PRD304EG PRD364EDG PRD364EDPG PRD364ELG PRD366EG PRD366EPG PRD484ECG PRD484EEG PRD486EDG PRD486EDPG PRD486ELG 58300000157422_ARA_EN_A Page 20 of 95 Figure 23 Fault Codes ...

Page 20: ...e appliance requires the use of electrical power and or an open gas supply exercise extreme caution 4 2 Accessing Components under the Maintop This section contains the steps required to gain access to the components located under the maintop s 4 2 1 Removing Knobs Grates Trim Burner Assemblies To access and service components located underneath the maintops see Figure 11 first remove the knobs gr...

Page 21: ...e igniter plug see Figure 26 and Figure 27 Figure 26 Igniter Wire Locking Tab 1 Tab press it to detach wire from electrode 8 Only if the ignition plug needs replacing Remove and retain the spring from the ignition plug by rotating the ignition plug clockwise while simultaneously holding the spring with a flat blade screwdriver to prevent its rotation so that the spring is unscrewed from the plug Y...

Page 22: ... each ignition wire downward through its respective receptacle as you carefully lift out each spill tray see Figure 29 and Figure 30 Figure 29 Typical Spill Tray Figure 30 Removing the Spill Trays Ignition Wire Shown 4 2 3 Removing Heat Shields Figure 31 Typical Heat Shields Sharp Components Gloves Recommended Use gloves when removing or installing a heat shield as the edges may be sharp 1 Remove ...

Page 23: ... Figure 33 Burner Support Rail 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Follow all steps in Accessing Components under the Maintop page 21 3 Using a 9 16th inch wrench unscrew the hex nuts to remove the gas tubes from the jet holder assemblies Be careful not to bend the gas tubes see Figure 34 4 Using a 9 16th inch wrench unscrew the hex nut to remov...

Page 24: ... sharp edges Avoid injury by using gloves when removing or installing burner support rails Gas Leaks With electrical power off carefully check for gas leaks at each gas component that was removed replaced or otherwise serviced using a gas leak detector or bubble test 7 Using a large flat blade screwdriver push one side of the burner support rail to the other side of the chassis until the 2 prongs ...

Page 25: ...Finder for relevant information documentation and the correct part number when replacing this component 4 3 1 Griddle with Removable Brackets Removal and Replacement Fiberglass Wear gloves when handling fiberglass insulation Figure 37 Element Support Brackets and Screws 1 Screws 2 2 Element support brackets 1 of 2 shown Griddle Hazard The griddle plate must always be correctly in place when it is ...

Page 26: ...securing the bracket onto the back frame see Figure 41 6 Remove right and left brackets by lifting the pins out of the slots on the element tray see Figure 39 NOTE Depending on the model and FD number some ranges will not use the bracket shown in Figure 39 Figure 39 Bracket 1 Screw location attaches to back frame 2 Screw location attaches to element flange 3 Pins 2 Figure 40 Removing Element Flang...

Page 27: ...etaining bracket do not push the bulb through the receptacle in the element tray yet Figure 42 Removing the Thermostat Bulb from Retaining Bracket 1 Retaining bracket 2 Thermostat bulb 8 Disconnect the 1 4 inch spade connectors of both right and left element wires You may have to pull the element wires out a bit to access the connectors while doing this be careful not to damage the element wires 9...

Page 28: ...e lifting up the element tray slightly carefully push the bulb through the circular receptacle in the element tray see Figure 45 Figure 45 Receptacle for Removing Thermostat Bulb 11 While removing the insulation see Figure 46 be careful not to pull on the thermostat bulb Figure 46 Removing the Insulation 12 Remove the insulation support bracket by pulling its two prongs out of the slots in the ret...

Page 29: ...ge 21 2 Complete steps for Accessing Components under the Maintop page 21 3 Remove the griddle plate and grease tray see Figure 38 page 26 4 Carefully remove the bulb from the fixed retaining bracket see Figure 48 NOTE After removing the thermostat bulb from retaining bracket don t push the bulb through the receptacle in the element tray yet 5 Disconnect the 1 4 inch spade connectors of both right...

Page 30: ...tray see Figure 49 7 Remove the two screws from the element tray see Figure 50 Figure 49 Fixed Element Brackets Figure 50 Locations of Screws on Element Tray 8 Detach the insulation support bracket from under the element tray see Figure 51 Figure 51 Detaching Insulation Support Bracket 9 While lifting up the element tray slightly carefully push the bulb through the circular receptacle in the eleme...

Page 31: ...n diagnosing problems with the grill also see Hot Surface Igniter Board Removal and Replacement page 58 For adjustment of the grill burner flame see Adjusting Grill Burner Flame with the Air Shutter page 14 Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing any of these components Grill Hazards The grill plate must be correctly in place w...

Page 32: ...e 55 Grill Burner Box View of from Underneath 1 Solenoid valve for grill attached to gas flex line 2 Burner box mounting brackets 2 3 Electrode terminal connecting wire not shown 4 HSI wire connector 5 Grill burner only Venturi tube section is visible 6 Air shutter shown with orifice visible inside 7 Elbow connector attached to orifice 4 4 1 Grill Flame Spreader Removal and Replacement 6 Remove an...

Page 33: ...4 4 2 Grill Burner Removal and Replacement 7 Lift the grill burner out of the burner box slightly upward in the direction towards the open end of the burner box so that the tab end is disengaged from the slot in the burner box See Figure 58 NOTE For adjustment of the grill burner flame see Adjusting Grill Burner Flame with the Air Shutter page 14 Figure 58 Removing the Grill Burner 1 Tab at end of...

Page 34: ...SI and Electrode 1 Electrode screw shown securing electrode onto electrode bracket 2 HSI screw shown securing HSI onto burner box 4 4 4 Grill Electrode Removal and Replacement On the grill the electrode functions as a flame sensor that is if the electrode does not heat up enough in a short time frame the electrode will close the solenoid valve to avoid gas build up in the grill burner See Figure 6...

Page 35: ...ft Side Panel of Grill Burner Box Shown Attached 1 Screw securing side panel onto burner box 2 Left side panel of burner box 13 Gently remove the sensor bulb by sliding it out of the bracket the bracket does not have to be removed See Figure 64 Figure 64 Thermostat Sensor Bulb Shown with Left Side Panel of Burner Box Removed 1 Bracket 2 Sensor bulb 3 Capillary tube 4 Portal for sensor bulb m Cauti...

Page 36: ...nto the front of the burner box see Figure 65 and Figure 66 and then remove the burner support see Figure 67 Figure 65 Screws for Connecting Piece 1 Screw locations 2 securing the burner support onto the burner box Figure 66 Burner Support 1 Portal for orifice 2 Screw holes 2 Figure 67 Burner Support Removed with Orifice and Elbow Connector Attached 1 Elbow connector shown attached to gas flex lin...

Page 37: ...wise serviced using a gas leak detector or bubble test 4 5 Removal and Replacement of Top Accessible Components This section contains removal and replacement procedures for the top accessible components located under the maintop 4 5 1 Jet Holder Assembly Removal and Replacement This procedure is for removing and replacing the jet holder assembly from the burner support rail The assembly includes t...

Page 38: ...djustable wrench to remove the nut see Figure 72 Figure 72 Removing the Nut on the Burner Support Rail 6 Replace the jet holder assembly if needed Be sure to retain and re use the wire guard clip if you are ordering a replacement jet holder assembly 7 When installing the jet holder do the following NOTE Before attaching the wire guard clip first install the jet holder onto the burner support rail ...

Page 39: ... connected to the standard valve and to the jet holder assembly Be careful not to bend the gas tube 5 If a burner support rail obstructs access to the standard valve then remove the burner support rail with jet holder assemblies attached by following the steps in Removing the Burner Support Rail page 24 6 Using a 1 4 inch nut driver or a 1 4 inch socket wrench ratchet remove and retain the valve s...

Page 40: ...rd non XLO burners only Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing this component Figure 78 Microswitch 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Follow all steps in Accessing Components under the Maintop page 21 3 If a burner support rail obstructs access to the microswitch then remo...

Page 41: ... alignment pin on the standard valve see Figure 77 page 41 9 Replace the microswitch if needed Gas Leaks With electrical power off carefully check for gas leaks at each gas component removed replaced or otherwise serviced using gas leak detector or bubble test 4 5 4 Solenoid Valve for XLO Burner Removal and Replacement This procedure is for the solenoid valves for the XLO burners For the procedure...

Page 42: ...t Access for the solenoid valve for the grill is under the maintop Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing this component For the procedure to remove and replace the solenoid valve for the XLO burners see Solenoid Valve for XLO Burner Removal and Replacement page 42 1 Follow all safety precautions and steps in Preparing the Ran...

Page 43: ...els you may snap the potentiometer off the XLO valve Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing this component Figure 82 Typical XLO Valve 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Follow all steps in Accessing Components under the Maintop page 21 3 Remove knob from valve stem by slow...

Page 44: ...Be careful not to lose the plastic O ring positioned inside the large hex nut of the solenoid valve as it may fall out easily see Figure 79 8 Use a 1 4 inch nut driver or a 1 4 inch socket wrench ratchet to remove and retain the valve screw that secures the XLO valve onto the manifold by accessing it from under the chassis base through the corresponding access hole The oven door must be opened or ...

Page 45: ... flat blade screwdriver to gently remove the XLO valve from the potentiometer standoffs Then slide the potentiometer off the valve stem see Figure 86 Gas Leaks With electrical power off carefully check for gas leaks at each gas component that was removed replaced or otherwise serviced using a gas leak detector or bubble test For XLO valves you may need the electrical power to be on when testing fo...

Page 46: ...age 21 3 Remove knob from valve stem by slowly pulling knob straight out away from control panel 4 If obstructing access to the potentiometer XLO valve solenoid assembly remove the burner support rail with jet holder assemblies attached by following the steps in Removing the Burner Support Rail page 24 5 Use a 1 2 inch wrench to hold the nut on the solenoid valve while unscrewing the gas tube hex ...

Page 47: ...ced without removing the manifold this procedure is provided if the manifold for the maintop burners needs to be replaced for example if damage is sustained due to a gas leak in the manifold or if the threading on the manifold is bad after removing the regulator NOTE The manifold is sold as an assembly which comes with XLO and standard valves pre installed Be sure to check QuickFinder for relevant...

Page 48: ... connected NOTE It is always recommended to label and tag all wires wire connectors and harnesses prior to disconnecting them so as to correctly identify their connections locations when re assembling Alternatively you can photograph the wire connections prior to disconnecting for example with your mobile phone 14 Remove gas tubes from standard valves Use a 9 16th inch wrench to remove the gas tub...

Page 49: ... light see Figure 147 page 76 Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing this component Figure 92 Typical Oven Lamp Transformer 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Follow all steps in Accessing Components under the Maintop page 21 3 If obstructing access to the oven lamp transfo...

Page 50: ...ct part number when replacing this component Figure 93 Small Oven Temperature Selector Typical Models Shown Figure 94 Front and Back of Small Oven Temperature Selector Typical Model Shown with Retaining Bracket 1 Retaining bracket Figure 95 Large Oven Temperature Selector Typical Models Shown Figure 96 Front and Back of Large Oven Temperature Selector Typical Model Shown with Retaining Bracket 1 R...

Page 51: ...zel that attach to the oven temperature selector see Figure 97 and then remove the bezel 7 At the back of the control panel remove the oven temperature selector and replace it if necessary Figure 97 Screw Locations on Bezel 1 Location of screws 2 4 5 11 Five Position Oven Function Selector Removal and Replacement The Five Position Oven Function Selector switch is for the large oven on 48 inch rang...

Page 52: ...igure 100 and then remove the bezel Figure 100 Screws on Bezel of Oven Function Selector 7 At the back of the control panel remove the five position oven function selector and replace it if necessary 4 5 12 Oven Temperature Gauge Removal and Replacement For 48 inch model ranges the temperature gauge is for the large oven only Be sure to check QuickFinder for relevant information documentation and ...

Page 53: ...or Removal and Replacement Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing this component NOTE When replacing the regulator if the range has been converted for use with LP gas make sure to install the correct regulator cap fitting Refer to the instructions in the PLPKIT kit for details Figure 103 Regulator with Typical Fittings and Gas...

Page 54: ...03 Gas Leaks With electrical power off carefully check for gas leaks at each gas component that was removed replaced or otherwise serviced using a gas leak detector or bubble test 4 5 14 Control Board Removal and Replacement The 48 inch range has a control board for each of the two ovens Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing ...

Page 55: ...and 36 inch ranges see Control Board Removal and Replacement Large Oven page 55 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Follow all steps in Accessing Components under the Maintop page 21 3 If obstructing access to the small oven control board remove the burner support rail with jet holder assemblies attached by following the steps in Removing the Bu...

Page 56: ...ttached by following the steps in Removing the Burner Support Rail page 24 4 Remove and retain the screw to detach the ground wire from the chassis see Figure 106 m Caution Fragile Components Be careful not to exert too much pressure on the standoffs or the simmer control board as these are fragile components 5 Using a needle nose pliers disengage the control board from all the plastic standoffs b...

Page 57: ...mponent 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Follow all steps in Accessing Components under the Maintop page 21 3 If obstructing access to the HSI board remove the burner support rail with jet holder assemblies attached by following the steps in Removing the Burner Support Rail page 24 4 Remove and retain the screws holding the HSI board shield o...

Page 58: ... Push the protruding clip at the front end of the LED indicator while you simultaneously push the LED indicator frontward through the hole in the control panel see Figure 110 6 Replace the LED indicator if needed Figure 109 LED Indicator Wire Connectors Figure 110 LED Indicator 4 5 18 Ignition Spark Module Removal and Replacement Be sure to check QuickFinder for relevant information documentation ...

Page 59: ...essing Components under the Maintop page 21 3 Remove the corresponding oven door see Oven Door Removal Installation page 77 4 If obstructing access to the door latch access panel remove the burner support rail with jet holder assemblies attached by following the steps in Removing the Burner Support Rail page 24 NOTE Depending on the model range if the door latch and or plunger switch is located un...

Page 60: ... switch Figure 115 Removing the Door Latch 1 Plunger switch 9 Detach the spade wire connectors from the latch and the white plastic piggyback wire connector on the door latch s microswitch see Figure 116 page 62 NOTE It is always recommended to label and tag all wires wire connectors and harnesses prior to disconnecting them so as to correctly identify their connections locations when re assemblin...

Page 61: ...tch 1 First follow steps 1 through 8 of the Door Latch Removal and Replacement procedure starting on page 60 2 For small oven plunger switch only Detach the two wire connectors from the two wider blade terminals of the plunger switch there are four blade terminals on the plunger switch See Figure 118 page 63 3 For large oven plunger switch only Detach the four wire connectors from the four termina...

Page 62: ... this component Figure 120 Typical Griddle Grill Thermostat m Caution When installing the thermostat extend the capillary tube to the needed length however be careful not to twist or bend it or it may impede the component s ability to operate properly 1 Follow all safety precautions and steps in the Preparing the Range for Servicing page 21 2 First make a note how the wires are connected to the th...

Page 63: ...e This procedure is provided primarily in the event the control panel is damaged and needs replacing Most components can be accessed and serviced without the need to remove the control panel Be sure to check QuickFinder for relevant information documentation and correct part numbers when replacing any of these components 1 Follow all safety precautions and steps in Preparing the Range for Servicin...

Page 64: ...screws that connect to the two manifold support brackets see Figure 123 7 At the bezels on the control panel remove the bezel screws and bezels that connect to the following components five position oven function selector three position oven function selector griddle grill control s oven temperature select switch es 8 Use a swivel head driver or an open end wrench to remove and retain the three nu...

Page 65: ...nose attached see Figure 128 page 67 Figure 127 Tabs and Bracket Studs Shown on Control Panel 1 Tab 2 Studs 3 on bracket left side shown 12 After the control panel with bullnose attached has been removed see Figure 128 page 67 before replacing it remove the temperature gauge see Oven Temperature Gauge Removal and Replacement page 53 and the LED indicators see LED Indicator Removal and Replacement ...

Page 66: ...n Removed 14 At the back side of the control panel and bullnose remove and retain the screws that secure the bullnose onto the control panel 15 Pull the bullnose off of the control panel and replace either or both of these parts if needed 16 When installing it may be easier to affix the brackets to the bullnose and control panel by placing a piece of double sided tape on the bracket This enables y...

Page 67: ...r when replacing this component If replacing with a different backguard or Island Trim model the installation must be performed with adherence to all procedures and warnings cautions in the Installation Instructions manual Always check local building codes for the proper method of installation Local codes vary Installation electrical connections and grounding must comply with all applicable codes ...

Page 68: ...e to check QuickFinder for relevant information documentation and the correct part number when replacing this component Figure 135 Typical Back Panel 1 Screw locations number varies per panel model 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Remove the backguard per Backguard and Island Trim Removal and Replacement procedure page 68 m Caution Be careful...

Page 69: ... on the crossmember cover so that you can remove it without having to detach the power cord wiring at the terminal block 4 If replacing the crossmember cover You will need to detach the power cord from the terminal block first before replacing the crossmember cover see Electrical Wiring Connections at the Terminal Block page 71 4 6 4 Terminal Block Removal and Replacement At the terminal box junct...

Page 70: ...ction or a permanent connection hard wiring For electrical wiring requirements and safety precautions refer to the Installation Instructions manual for this appliance NOTE The electrical wiring diagram is located on the back side of the kick panel see Wiring Diagram page 5 4 6 6 Cooling Fan Removal and Replacement Some models use a cooling fan with a Hall Effect sensor attached which is a part of ...

Page 71: ...plate onto the range chassis see Figure 139 6 Using gloves remove the cooling fan 7 Replace the cooling fan if needed Figure 140 Typical Cooling Fan 1 Wire connectors 2 4 6 6 1 Air Interlock Switch Removal and Replacement The air interlock switch can be removed and replaced independently of the cooling fan Be sure to check QuickFinder for relevant information documentation and the correct part num...

Page 72: ... cavity venting Thermal fuses are installed at the back of the range Be sure to check QuickFinder for relevant information documentation and the correct part number when replacing this component Figure 144 Typical Thermal Fuses 1 Follow all safety precautions and steps in the Preparing the Range for Servicing page 21 2 Remove the backguard see Backguard and Island Trim Removal and Replacement page...

Page 73: ... for Servicing page 21 2 Remove the backguard see Backguard and Island Trim Removal and Replacement page 68 3 Remove the back panels see Back Panel Removal and Replacement page 69 4 Remove oven door see Oven Door Removal Installation page 77 NOTE It is recommended to remove the door to prevent weight or force applied from damaging the door and latch components 5 Remove oven trays 6 From inside the...

Page 74: ...Backguard and Island Trim Removal and Replacement page 68 3 Remove the back panels see Back Panel Removal and Replacement page 69 4 Remove oven door see Oven Door Removal Installation page 77 NOTE It is recommended to remove the door to prevent weight or force applied from damaging the door and latch components 5 Remove the oven trays 6 From the back of the range detach the lamp wire connectors 7 ...

Page 75: ... Thermador Pro Grand Dual Fuel Ranges PRD304EG PRD364EDG PRD364EDPG PRD364ELG PRD366EG PRD366EPG PRD484ECG PRD484EEG PRD486EDG PRD486EDPG PRD486ELG 58300000157422_ARA_EN_A Page 76 of 95 Figure 147 Oven Light Diagnostics ...

Page 76: ...ard with Screwdriver 3 Close the door until it stops against the locking levers while firmly grasping the door with both hands The open locking levers will hold the door open at a slight angle 4 Grasp the door firmly on the ends of the door handle and lift the door up there will be some spring resistance to overcome When the door is lifted sufficiently to clear the hinge hooks pull the door straig...

Page 77: ...ignment mechanism as a part of the hinge receiver you can adjust the door alignment by using the alignment screw that is located below each hinge hinge receiver slot 1 Make sure the door is installed correctly so it will not pose any danger by falling while adjusting the screw see Installing the Door page 77 2 Locate the alignment screw below the door hinge see Figure 150 and Figure 151 3 Use a T ...

Page 78: ...cing page 21 2 Remove the backguard see Backguard and Island Trim Removal and Replacement page 68 3 Remove the back panels see Back Panel Removal and Replacement page 69 4 Remove oven doors see Oven Door Removal Installation page 77 NOTE It is recommended to remove the door to prevent weight or force applied from damaging the door latch components 5 Remove all the oven racks 6 From the back of the...

Page 79: ... 8 Remove and retain the three screws securing the convection element onto the reflector cover shield and then remove the convection element see Figure 154 9 Wearing gloves remove the nut and then remove the convection fan Retain the shim ring if it falls out when removing the fan see Figure 155 Figure 154 Convection Element 1 Wire connector terminals 2 2 Screw locations 2 3 Screw location 1 Figur...

Page 80: ...ires and harnesses prior to disconnecting them so as to correctly identify their connections locations when re assembling Alternatively you can photograph the wire connections prior to disconnecting for example with your mobile phone Figure 157 Convection Motor Wire Connectors 12 Remove the six screws on the rear cover shield see Figure 158 and then pull the rear cover shield attached to motor ass...

Page 81: ...ews 4 securing rear cover shield to bracket 15 Remove the bracket with fiberglass insulation attached to motor see Figure 161 Figure 161 Bracket and Insulation 1 Screw locations 4 that attach to rear cover shield 2 Fiberglass insulation 16 Wearing gloves remove and retain the fiberglass insulation 17 Remove and retain the three screws securing the bracket onto the motor see Figure 162 and Figure 1...

Page 82: ...ge On 48 inch models the broil burner removal and replacement procedure is the same for both small and large ovens Be sure to check QuickFinder for relevant information documentation and correct part numbers when replacing any of these components Hot Surfaces The oven broil burner components and interior surfaces of the oven may be hot and can cause burns Do not service the range when these compon...

Page 83: ...page 68 5 Remove the back panel see Back Panel Removal and Replacement page 69 6 From the back of the range at the portals for the broil element wires use needle nose pliers to detach the broil element wire connectors 7 From inside the oven cavity remove and retain the two screws securing the broil element to the oven cavity see Figure 167 Figure 167 Element Secured to Oven Cavity 1 Screws 2 secur...

Page 84: ...n the four screws securing the rear element bracket on the reflector plate see Figure 169 Figure 169 Rear Element Bracket Secured to Reflector Plate 1 Screws 4 securing rear element bracket to reflector plate 10 While continuing to hold the element bracket assembly lower it slightly while you remove the reflector see Figure 170 Figure 170 Removing the Reflector Plate 1 Reflector plate 11 Slowly pu...

Page 85: ...ents Wear gloves when handling bake element components as they may have sharp edges 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Remove oven doors see Oven Door Removal Installation page 77 3 Remove all the oven racks Figure 171 Kick Panel Removed 1 Gap under oven 4 Remove the kick panel see Figure 171 and Kick Panel Removal and Replacement page 94 5 Usi...

Page 86: ...element tray and then remove the bottom cover see Figure 173 and Figure 176 Figure 173 Bottom Cover 1 Screw locations 4 on bottom cover Figure 174 Bake Element Tray Figure 175 Element 7 Remove and retain the screws holding the ends of the element onto the bake element tray see Figure 176 Figure 176 Bake Element Tray with Element Installed 1 Brackets 4 2 Element 3 Ends of element with screws attach...

Page 87: ...ven Door Removal Installation page 77 3 Remove all the oven racks 4 Remove the kick panel see Figure 171 and Kick Panel Removal and Replacement page 94 5 Using a flashlight and wearing gloves reach through the gap under the oven and detach the two wire connectors behind the bake element tray see Figure 171 and Figure 172 page 86 NOTE The wire connectors may be a bit tight to remove Figure 177 Bott...

Page 88: ...n documentation and correct part numbers when replacing any of these components Figure 180 Typical Door Handle Components 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Remove the oven door see Oven Door Removal Installation page 77 3 Remove the oven trays 4 Gently place the door on a flat stable and non abrasive surface 5 Remove and retain the three screw...

Page 89: ...er removing the right and left endcaps pull the door handle tube out from the endcaps 10 Replace the door handle components if needed 11 After replacing door handle components install the oven door and test for proper positioning follow all warnings and steps for Installing the Door page 77 Figure 183 Hex Head Cap Screws and Washers 1 Hex head cap screws and washers 4 of each left side shown 4 7 9...

Page 90: ... Position after Door Removal 1 Hinge locking lever 2 Hinge thumb 3 Use a large deep well socket or similar tool to securely place over the hinge thumb and then press the tool downward just a little bit towards the base of the door see Figure 185 and hold it there 4 While still holding the hinge in the downward position use a tool not your fingers like a flat blade screwdriver to press the hinge lo...

Page 91: ...d Figure 188 Figure 187 Screws for Hinge Removal 1 Screws 2 7 Repeat steps 3 through 6 for the hinge at the other side of the door 8 Turn the door upside down so that the porcelain surface is facing down 9 Remove the four screws from the inner panel see Figure 190 page 93 10 Lift the inner panel off of the door and then remove the hinge see Figure 191 page 93 11 Replace hinges if needed Figure 188...

Page 92: ...er when replacing this component 1 Follow all safety precautions and steps in Preparing the Range for Servicing page 21 2 Remove oven door see Oven Door Removal Installation page 77 3 Remove and retain the screws on the bracket and then remove the bracket see Figure 192 and Figure 193 on page 94 Figure 192 Bracket 4 Starting from one end of the gasket while carefully working your way to the other ...

Page 93: ... see Oven Door Removal Installation page 77 3 Remove and retain the screws from the kick panel see Figure 195 and then lift the kick panel off the range chassis Figure 195 Typical Kick Panel 1 Location of screws 2 NOTE The wiring diagram for the range is located on the back side of the kick panel see Wiring Diagram page 5 5 BEFORE RETURNING APPLIANCE TO SERVICE After you have finished all testing ...

Page 94: ...mful inhalants or may damage the appliance After cleaning or polishing always rinse the cleaning polishing materials with clear water and wipe dry with a clean soft non abrasive cloth Clean the range with caution Do not use flammable cleaners to clean the range Avoid steam burns do not use a wet sponge or cloth to clean the range while it is hot Do not use any type of aerosol cleaner on or around ...

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