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107156-01E
For more information, visit www.desatech.com
For more information, visit www.desatech.com
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If front burner flame pattern is incorrect, as shown in Figure 35
• turn fireplace off (see To Turn Off Gas to Appliance, page 15 [ther-
mostat-controlled models] or page 17 [manually-controlled models])
• see Troubleshooting, pages 20 through 22
INSPECTING BURNERS
Check pilot flame pattern and burner flame patterns often.
PILOT FLAME PATTERN
Figure 32 shows a correct pilot flame pattern. Figure 33 shows an
incorrect pilot flame pattern. The incorrect pilot flame is not
touching the thermocouple. This will cause the thermocouple to
cool. When the thermocouple cools, the fireplace will shut down.
If pilot flame pattern is incorrect, as shown in Figure 33
• turn fireplace off (see To Turn Off Gas to Appliance, page 15
[thermostat-controlled models] or page 17 [manually-controlled
models])
• see Troubleshooting, pages 20 through 22
Figure 32 - Correct Pilot Flame Pattern
Figure 33 - Incorrect Pilot Flame Pattern
Pilot Burner
Thermocouple
Pilot Burner
Thermocouple
FRONT BURNER FLAME PATTERN
Figure 34 shows correct front burner flame pattern. Figure 35 shows
incorrect front burner flame pattern. The incorrect burner flame
pattern shows yellow tipping at top of blue flame.
WARNING: If front burner flame pattern shows
yellow tipping, your fireplace could produce increased
levels of carbon monoxide. Follow instructions at bot-
tom of this page. Yellow flame on rear burner is normal.
NOTICE: Do not mistake orange flames with yellow
tipping. Dirt or other fine particles are burned by
fireplace, causing brief patches of orange flame.
Figure 35 - Incorrect Front Burner Flame Pattern
Figure 34 - Correct Front Burner Flame Pattern
Yellow Tipping At
Top of Blue Flame
INSPECTING BURNERS
Pilot Flame Pattern
Front Burner Flame Pattern