Hot Surface Igniter Board Removal And Replacement - Thermador PRL304EG Service Manual

Service Manual for Thermador Pro Grand LP Gas Ranges, Models: PRL304EG, PRL364EDG, PRL364ELG, PRL366EG, PRL484ECG, PRL486EDG, PRL486EDPG, PRL484ELG

4.5.19 Hot Surface Igniter Board Removal and Replacement

The hot surface igniter (HSI) control boards are for the broil burners
and gas grill burner.
For broil burner issues, also see Broil Burner Components – Removal
and Replacement, page 93. For grill burner issues, also 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 114).
5. Remove the multi-pin wire connector from the HSI board
(see Figure 115).
6. Remove and retain the two screws that affix the HSI board onto
the chassis (see Figure 115).
7. Replace the HSI board only if needed.
58300000156573_ARA_EN_B
Figure 114: Typical Shield for HSI Board(s)
Figure 115: HSI Board (Dual HSI Boards Shown)
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