Service Manual for Thermador Pro Grand Dual Fuel Ranges: PRD304EG, PRD364EDG, PRD364EDPG, PRD364ELG, PRD366EG, PRD366EPG, PRD484ECG, PRD484EEG, PRD486EDG, PRD486EDPG, PRD486ELG
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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
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