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Check pilot flame pattern and burner flame
pattern often.
PILOT FLAME PATTERN
Figure 29 shows a correct pilot flame pattern.
Figure 30 shows an incorrect pilot flame pat-
tern. The incorrect pilot flame is not properly
heating 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 30
• turn fireplace off (see To Turn Off Gas to
Appliance, page 20)
• see Troubleshooting, page 23
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.
Pilot Burner
Figure 29 - Correct Pilot Flame Pattern
(Propane/LP Shown)
Pilot Burner
Figure 30 - Incorrect Pilot Flame Pattern
(Propane/LP Shown)
119508-01B
INSPECTING bURNER
Thermocouple
Thermocouple
www.desatech.com
bURNER FLAME PATTERN
Figure 31 shows a correct burner flame pat-
tern. Figure 32 shows an incorrect burner
flame pattern. The incorrect burner flame
pattern shows sporadic, irregular flame tip-
ping. The flame should not be dark or have
an orange/reddish tinge.
Note: When using the fireplace the first time,
the flame will be orange for approximately one
hour until the log cures.
If burner flame pattern is incorrect, as shown
in Figure 32
• turn fireplace off (see To Turn Off Gas to
Appliance, page 20)
• see Troubleshooting, page 23
Figure 31 - Correct Burner Flame Pattern
Figure 32 - Incorrect Burner Flame
Pattern
21
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