Service Manual for Thermador Pro Grand LP Gas Ranges, Models: PRL304EG, PRL364EDG, PRL364ELG, PRL366EG, PRL484ECG, PRL486EDG, PRL486EDPG, PRL484ELG
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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 Control Knobs ............................................................................................... 9
2.1.1 Standard Burners................................................................................... 9
2.1.2 ExtraLow Burners .................................................................................. 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 Three-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 Rangetop Burner Ignition ........................................................ 14
3.4.1.1 Testing the HI, Medium, and Low Settings ................................... 14
3.4.1.2 Testing the XLO Setting................................................................ 14
3.4.2 Testing Broil Burner Ignition................................................................. 14
3.4.3 Testing Bake Burner Ignition................................................................ 14
3.5 Adjusting Bake 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
3.8 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, and 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
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