Service Manual for the Thermador Pro Grand Next Generation, Dual Fuel Range with Steam Oven, Models: PRD48JDSGC/02, PRD48JDSGU/02
58300000163852_ARA_EN_C Page 2 of 123
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 ....................................................................... 11
2.1 Knobs and Controls ..................................................................................... 11
2.1.1 Standard Burner Knob ......................................................................... 11
2.1.2 ExtraLow (XLO) and ExtraHi (XHI) Burner Knobs ................................ 11
2.1.3 Griddle / Grill Control Knob .................................................................. 11
2.1.4 Temperature / Function Selector Knob for Large Oven ....................... 11
2.1.5 Temperature / Function Selector Knob for Steam Oven ...................... 11
2.1.6 Control Buttons for Warming Drawer ................................................... 11
2.1.7 Oven Light and Panel Light Switches .................................................. 11
2.2 LED Indicators............................................................................................. 12
2.3 Automatic Re-Ignition .................................................................................. 12
2.4 Operation during a Power Outage ............................................................... 12
2.5 Rangetop Burner Assembly and Maintop Components .............................. 12
3 Testing, Adjusting, and Troubleshooting Rangetop Burners and
Ignition ................................................................................................... 13
3.1 Before Testing ............................................................................................. 13
3.2 Rangetop Burner Characteristics ................................................................ 13
3.3 Rangetop Flame Characteristics ................................................................. 14
3.4 Testing Rangetop Burner Ignition ................................................................ 15
3.4.1 Time to Ignite ....................................................................................... 15
3.4.2 Testing Ignition for Standard Burner Settings (HI, MEDIUM, SIM) ....... 15
3.4.3 Testing Ignition for XLO Burner Settings .............................................. 15
3.5 Adjusting Rangetop Burner Valves Manually .............................................. 15
3.5.1 Special Tools Needed .......................................................................... 15
3.5.2 Adjusting the Bypass Screws ............................................................... 16
3.6 Troubleshooting Burner, Flame, and Ignition .............................................. 16
3.6.1 Burner and Flame Diagnostics for Rangetop Burners .......................... 16
3.6.2 Ignition Diagnostics for Rangetop Burners ........................................... 16
4 Diagnostics for Elements, Temp Sensors, Warming Drawer, Steam
Oven, Oven Lights ................................................................................ 18
4.1 Element Diagnostics ................................................................................... 18
4.1.1 Safety Practices for Element Diagnostics ............................................ 18
4.1.2 Element Diagnostic Tips ...................................................................... 18
4.1.3 Element Cycle/Circuit Specification ..................................................... 18
4.2 Oven Temperature Sensor Diagnostics ...................................................... 18
4.2.1 Resistance and Temperature Values for Oven Temperature Sensor .. 19
4.3 Warming Drawer Diagnostics ...................................................................... 19
4.3.1 Warming Drawer Architecture .............................................................. 19
4.3.2 Warming Drawer Fault Messages ........................................................ 20
4.3.3 Warming Drawer Temperature Test ..................................................... 20
4.3.4 Warming Drawer Troubleshooting ....................................................... 20
4.4 Steam Oven Diagnostics ............................................................................. 22
4.5 Oven Light Diagnostics ............................................................................... 22
5 Fault Messages ..................................................................................... 24
6 Service and Repair ............................................................................... 25
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