Flame Characteristics; Test Rangetop Burners; Test Oven Burners - Bosch HGS7052UC - 30 Inch Gas Range Installation Manual

1. Turn on Power at Breaker
If LCD screen flashes and beeps continuously, the
wiring is incorrectly installed. Verify that wiring in
house is correctly installed. If so, call Bosch Service.

2. Test Rangetop Burners

Test Burner Ignition. Select a rangetop burner
knob. Push down and turn to the flame symbol. The
ignitor/spark module will produce a clicking sound.
Once the air has been purged from the supply lines,
the burner should light within four (4) seconds.
Test Flame: High Setting. Turn burner on to HI.
See figure 7 for appropriate flame characteristics.
If any of the burners continue to burn mostly or
completely yellow, call Bosch Service.
Test Flame: Low Setting. Turn burner on to LO.
Verify that the flame completely surrounds the burner.
There should be a flame at each burner port and there
should be no air gap between the flame and the
burner. If any of the burners do not carry over, call
Bosch Service.
Test the ignition and flame of each rangetop burner as
described above.
WHEN FLAME IS PROPERLY ADJUSTED:
There should be a flame at each rangetop
burner port.
There should be no air gap between the
flame and the burner port.

3. Test Oven Burners

Remove the oven bottom cover. Remove the two
rear thumb screws, slide cover forward and out.
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 the 350° F is reached and
then shut off. From this point forward, the burner will
cycle on and off to maintain the temperature.
Test Bake Burner Flame. While the burner is lit,
inspect the flame. See Figure 6 for proper flame
characteristics. If the flame burns completely or
mostly yellow, adjust the bake burner air shutter. See
Figure 8 (next page) for details.
Test Broil Burner Ignition. Set cooking mode to Hi
Broil. The burner will ignite after 30-75 seconds.
Test Broil Burner Flame. While the burner is lit,
inspect the flame. See Figure 6 for proper flame
characteristics. If the flame burns completely or
mostly yellow, adjust the broil burner air shutter. See
Figure 8 (next page) for details.
Replace oven bottom cover. Slide cover into place
and replace two rear thumb screws.
Step 6: Final Steps - Test Burner Function

Flame Characteristics

Yellow Flames:
Further adjustment is required.
Yellow Tips on Outer Cones:
Normal for LP Gas.
Soft Blue Flames:
Normal for Natural Gas.
If the flame is completely or mostly yellow, verify that the
regulator is set for the correct fuel. After adjustment, retest.
Some yellow streaking is normal during the initial start-up.
Allow unit to operate 4-5 minutes and re-evaluate before
making adjustments.
Figure 7
Call Bosch Service at 800-944-2904 if:
1. Any of the burners do not light.
2. The broil burner or bake burner flame goes
out before it reaches 350° F.
3. Any of the burners continue to burn yellow.
If flame adjustment is necessary, continue to next
page. Otherwise, installation is complete at this point.
English • 5