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Test Oven Burners
Remove the oven bottom cover. Remove the 4
screws on the sides and the 2 screws on the back,
then slide the cover forward while lifting to clear the
angled baffle plate mounted to the bottom of the cover.
Test Bake Burner Ignition
Set the oven to BAKE at 350°F. After 30-75 seconds,
the burner will ignite. The burner will stay lit until 350°F
is reached and then shut off. From this point forward,
the burner will cycle on and off to maintain the tem-
perature.
Test Broil Burner Ignition
Set cooking mode to BROIL. The burner will ignite
after 30-75 seconds.
NOTE: The air shutter for the bake burner is set at the
factory for fully-open position under all conditions, and
does not require adjustment.
The infrared ceramic broiler does not have an air
shutter, so no adjustment is provided.
Replace oven bottom cover. Slide cover into place
and reattach to bottom of oven cavity.
Flame Adjustment (if necessary):
Tube-style gas burners used in Thermador© appli-
ances have air shutter systems which are similar to
the illustration in Figure 10, and can be adjusted using
the following method (unless adjustment is not rec-
ommended). It is necessary to
remove the burner
from the appliance in order to perform air-shutter
adjustments.
• Loosen shutter screw(s) and turn shutter to
new position.
• Adjust the shutter to more-closed position if the
flame is lifting or blowing, or is not carrying over.
• Adjust the shutter to more-open position if the
flame is too yellow. (See Figure 10.)
• Retighten the shutter screw(s).
• After adjustment, reinstall the burner and per-
form flame evaluation. The air shutter must fit
over the orifice hood for proper operation of the
burner.
• Repeat procedure as needed until flame char-
acteristics are acceptable. (See Figure 9).
Step 9: Burner Test and Adjustment
Call Thermador® if:
1. Any of the burners do not light.
2. The broil burner or bake burner flame goes
out before the oven heats to the desired
temperature.
3. Any of the burners continue to burn yellow.
WARNING
Burner adjustments must be performed by a
qualified technician. Improper adjustments may
cause harmful by-products or void the
appliance's warranty.
Allow burners to cool before attempting to
remove them!
17
FIG. 10
Air
Shutter
Screw
More Open:
Less Yellow Flame
More Closed:
Less Blue Flame
More Carryover
Less Lifting or Blowing
Air Shutter Adjustment (if necessary)