Service Manual for the Thermador Pro Grand Next Generation 48-Inch Natural Gas and LP Gas Ranges, Models: PRG486JDG/01, PRL486JDG/01
58300000159722_ARA_EN_D Page 2 of 92
TABLE OF CONTENTS
1 General .................................................................................................... 5
1.1 Technical Documents to Read Prior to Servicing .......................................... 5
1.2 Data Rating Plate .......................................................................................... 5
1.3 Wiring Diagram ............................................................................................. 6
1.4 Recommended Tools and Supplies .............................................................. 6
1.5 Important Safety Information ......................................................................... 7
1.5.1 Safety Symbols Used In This Manual .................................................... 7
1.5.2 Safety Precautions to Know Prior to Servicing ....................................... 7
2 Operation and Controls ....................................................................... 10
2.1 Knobs and Controls ..................................................................................... 10
2.1.1 Standard Burner Knob ......................................................................... 10
2.1.2 ExtraLow (XLO) and ExtraHi (XHI) Burner Knobs ................................ 10
2.1.3 Griddle / Grill Control Knob .................................................................. 10
2.1.4 Temperature / Function Selector Knob for Large Oven ....................... 10
2.1.5 Temperature / Function Selector Knob for Small Oven ........................ 11
2.1.6 Oven Light and Panel Light Switches .................................................. 11
2.2 LED Indicators............................................................................................. 11
2.3 Automatic Re-Ignition .................................................................................. 11
2.4 Operation during a Power Outage ............................................................... 11
2.5 Rangetop Burner Assembly and Maintop Components .............................. 11
3 Testing, Adjusting, and Troubleshooting Rangetop Burners and
Ignition ................................................................................................... 12
3.1 Before Testing ............................................................................................. 12
3.2 Rangetop Burner Characteristics ................................................................ 12
3.3 Rangetop Flame Characteristics ................................................................. 13
3.4 Testing Ignition for Burners ......................................................................... 14
3.4.1 Time to Ignite ....................................................................................... 14
3.4.2 Testing Ignition for Standard Burner Settings (HI, MEDIUM, SIM) ....... 14
3.4.3 Testing Ignition for XLO Burner Settings .............................................. 14
3.4.4 Testing Broil Burner Ignition ................................................................. 14
3.4.5 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 ............................................................... 16
3.7 Troubleshooting Burners, Flame, and Ignition ............................................ 16
3.7.1 Burner and Flame Diagnostics for Rangetop Burners .......................... 16
3.7.2 Ignition Diagnostics for Rangetop Burners ........................................... 16
4 Diagnosing Hot Surface Igniters, Griddle / Grill Element, Oven
Lights, Temp Sensors .......................................................................... 18
4.1 HSI and Element Diagnostics ..................................................................... 18
4.1.1 Cycle/Circuit Specification.................................................................... 18
4.1.2 Safety Practices for HSI and Element Diagnostics .............................. 18
4.1.3 HSI and Element Diagnostic Tips ........................................................ 18
4.2 Oven Light Diagnostics ............................................................................... 18
4.3 Oven Temperature Sensor Diagnostics ...................................................... 20
4.3.1 Resistance and Temperature Values for the Oven Temperature Sensor
20
5 Fault Messages ..................................................................................... 21
6 Service and Repair ............................................................................... 22
6.1 Preparing the Range for Servicing .............................................................. 22
6.2 Component Removal Videos ...................................................................... 22
6.3 Accessing Components under the Maintop ................................................. 22
6.3.1 Removing Knobs, Grates, Rangetop Burner Assemblies, Maintops,
Heat Shields, Burner Support Rails ..................................................... 22
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