Thermador Pro Harmony PRL364GDH/01, Service Manual, Page: 2 / 68

Service Manual for the Thermador Pro Harmony Range, Model PRL364GDH/01
58300000154022_ARA_EN_D
Page 2 of 68
TABLE OF CONTENTS
1 General ....................................................................................... 4
1.1 Technical Documents to Read Prior to Servicing ........................... 4
1.2 Wiring Diagram ................................................................................ 4
1.3 Data Rating Plate ............................................................................ 4
1.4 Recommended Tools and Supplies ................................................ 5
1.5 Important Safety Information ........................................................... 5
1.5.1 Safety Symbols Used In This Manual ..................................... 5
1.5.2 Safety Precautions to Know Prior to Servicing ....................... 5
2 Operation ................................................................................... 8
2.1 Control Knobs .................................................................................. 8
2.1.1 ExtraLow Feature .................................................................... 8
2.1.2 Griddle Control Knob ............................................................... 8
2.1.3 Temperature Selector Knob .................................................... 9
2.1.4 5-Position Oven Function Selector Knob ................................ 9
2.2 Automatic Re-Ignition ...................................................................... 9
2.3 Operation during a Power Outage .................................................. 9
2.3.1 Cooling Fan
– Automatic Operation .......................................... 9
2.4 Burner Assembly and Maintop Components ................................ 10
3 Testing, Setting, Troubleshooting - Burners and Ignition .... 10
3.1 Before Testing ............................................................................... 10
3.1.1 Oven Temperature Testing ..................................................... 10
3.2 Burner Characteristics ................................................................... 11
3.2.1 Flame Characteristics............................................................ 11
3.3 Testing Burner Ignition .................................................................. 12
3.3.1 Testing Cooktop Burner Ignition ............................................ 12
3.3.1.1 Testing the HI Setting ........................................................ 12
3.3.1.2 Testing the SIM Setting ..................................................... 12
3.3.1.3 Testing the XLO Setting .................................................... 12
3.3.2 Testing Bake Burner Ignition ................................................. 12
3.3.3 Testing Broil Burner Ignition .................................................. 12
3.4 Manually Setting Burner Valves .................................................... 12
3.4.1 Tools Needed ........................................................................ 12
3.4.2 Adjusting the Bypass Screws ................................................ 12
3.5 Burner, Flame, and Ignition Troubleshooting ................................ 13
3.5.1 Cooktop Burners
– Burner and Flame Diagnostics ............... 13
3.5.1.1 Uneven Flame Distribution & Flame Noise Diagnostics ... 13
3.5.2 Ignition Diagnostics ............................................................... 14
4 Oven Light Diagnostics .......................................................... 16
5 Fault Codes .............................................................................. 17
6 Service and Repair .................................................................. 19
6.1 Preparing the Range for Servicing ................................................ 19
6.2 Accessing Components under the Maintop .................................. 19
6.2.1 Removing Knobs, Grates, Griddle, and Burner Assemblies . 19
6.2.2 Removing the Maintops......................................................... 21
6.2.3 Removing the Heat Shield..................................................... 22
6.2.4 Griddle Removal and Replacement ...................................... 22
6.2.5 Burner Support Rail Removal and Replacement .................. 25
6.3 Removal and Replacement of Top-Accessible Components........ 27
6.3.1 Jet Holder Assembly Removal and Replacement ................. 27
6.3.2 Manifold Removal and Replacement .................................... 28