30 7080-163D August 3, 2018
MT. VERNON E2-C
Symptom Possible Cause Corrective Action
Large, lazy ame (orange color)
with black ash / soot buildup on
glass
Dirty appliance or venting
Clean unit including the re pot, exhaust
path, and venting system
Poor fuel quality, high ash content.
Purge old fuel and use higher quality / or
brand of fuel
Incorrect air-fuel adjustment Adjust the trim (see trim adjustment section)
Excessive feeding Adjust trim per trim dial instructions
Feed Motor locked on
Follow corrective action for feed motor not
turning off
Excessive fuel spilling over the
re pot and/or excessive ame
Dirty Appliance
Clean unit including the re pot, exhaust
path, and venting system
Feed Motor locked on
Follow corrective action for feed motor not
turning off
Black soot on the side of the
house
Dirty Appliance
Clean unit including the re pot, exhaust
path, and venting system
Exhaust termination cap too close
to the structure
Extend the termination further from the
structure
Excessive feeding (incorrect air-
fuel ratio)
Adjust the trim (see trim adjustment section)
Unit rumbles consistently during
burns
Too much fuel
Turn trim dial counterclockwise one notch at
a time
Too much air
Turn trim dial towards the zero setting one
notch at a time
Note: Refer to trim setting section for more information, page 13.
f i r e - p a r t s . c o m
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