Simmer Control Board Removal And Replacement - Thermador Pro Grand PRD304EG Service Manual

Service Manual for Thermador Pro Grand Dual Fuel Ranges:
Figure 105: Control Board for Small Oven

4.5.15 Simmer Control Board Removal and Replacement

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 simmer control 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 screw to detach the ground wire from the
chassis (see Figure 106).
m
Caution
Fragile Components
Be careful not to exert too much pressure on the standoffs or the
simmer control board, as these are fragile components.
58300000157422_ARA_EN_A
PRD304EG, PRD364EDG, PRD364EDPG, PRD364ELG, PRD366EG, PRD366EPG, PRD484ECG, PRD484EEG, PRD486EDG, PRD486EDPG, PRD486ELG
5. Using a needle nose pliers, disengage the control board from all
the plastic standoffs by lightly pressing the tiny protruding clip on
each standoff, while simultaneously pulling the simmer board off
the standoff (see Figure 106).
6. Remove and replace the simmer control board if needed.
NOTE: Please explore other possible causes before
replacing the simmer control board. Approximately 75%
of all simmer control boards returned to the factory turn
out to be ok.
Figure 106: Simmer Control Board
1 Multi-pin wire connectors (2)
2 Standoffs (4)
3 Ground wire (shown attached to screw on chassis)
Page 57 of 95