Hot Surface Igniter Board Removal And Replacement - Thermador Pro Grand PRD304EG Service Manual

Service Manual for Thermador Pro Grand Dual Fuel Ranges:

4.5.16 Hot Surface Igniter Board Removal and Replacement

The hot surface igniter (HSI) control board is for the HSI on the gas
grill burner (see Grill Hot Surface Igniter Removal and Replacement,
page 35).
Be sure to check QuickFinder for relevant information, documentation,
and the correct part number when replacing this component.
1. Follow all safety precautions and steps in Preparing the Range for
Servicing, page 21.
2. Follow all steps in Accessing Components under the Maintop,
page 21.
3. If obstructing access to the HSI board, remove the burner support
rail (with jet holder assemblies attached) by following the steps in
Removing the Burner Support Rail, page 24.
4. Remove and retain the screws holding the HSI board shield onto
the range chassis, and then remove the shield (see Figure 107).
5. Remove the multi-pin wire connector from the HSI board
(see Figure 108).
6. Remove and retain the two screws that affix the HSI board onto
the chassis (see Figure 108).
7. Replace the HSI board only if needed.
58300000157422_ARA_EN_A
PRD304EG, PRD364EDG, PRD364EDPG, PRD364ELG, PRD366EG, PRD366EPG, PRD484ECG, PRD484EEG, PRD486EDG, PRD486EDPG, PRD486ELG
Figure 107: Typical HSI Board Shield
Figure 108: HSI Board
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