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113135-01A
19
INSPECTING BURNERS
Check pilot flame pattern and burner flame pat-
terns often.
PILOT FLAME PATTERN
Figure 30 shows a correct pilot flame pattern. Fig-
ure 31 shows an incorrect pilot flame pattern. The
incorrect pilot flame is not touching the thermo-
couple. 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 Fig-
ure 31
• turn fireplace off (see To Turn Off Gas to Ap-
pliance, page 18)
• see Troubleshooting, pages 21 through 24
Note:
The pilot flame on natural gas units will
have a slight curve, but flame should be blue and
have no yellow or orange color.
FRONT BURNER FLAME PATTERN
Figure 32 shows correct front burner flame pat-
tern. Figure 33 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 tip-
ping, your fireplace could pro-
duce increased levels of carbon
monoxide. Follow instructions
at bottom 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.
If front burner flame pattern is incorrect, as shown
in Figure 33
• turn fireplace off (see To Turn Off Gas to Ap-
pliance, page 18)
• see Troubleshooting, pages 21 through 24
Figure 30 - Correct Pilot Flame Pattern
(Propane/LP Shown)
Figure 31 - Incorrect Pilot Flame Pattern
(Propane/LP Shown)
Pilot Burner
Thermocouple
Pilot Burner
Thermocouple
Figure 33 - Incorrect Front Burner Flame
Pattern
Figure 32 - Correct Front Burner Flame
Pattern
Yellow Tipping At
Top of Blue Flame