Troubleshooting Guide - Vermont Castings Dauntless FlexBurn Catalytic Owner's Manual

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Troubleshooting Guide

With proper installation, operation, and maintenance your wood appliance will provide years of trouble-free service. If you do
experience a problem, this troubleshooting guide will assist you or a qualified service person in the diagnosis of a problem
and the corrective action to be taken.
Start Fire Problems
• Can not get fire started
• Excessive smoke spillage
• Burns too slowly
• Not enough heat output
Fire burns too fast
Low Heat Output
Excessive Coal Bed
Contact your dealer for additional information regarding operation and troubleshooting.
3-90-586000c
Not enough kindling/paper or no
kindling/paper
Not enough air for fire to ignite
Wood condition is too wet, too large
Bed of coals not established before
adding wood
Flue blockage such as birds' nests or
leaves in termination cap
Down draft or negative pressure
Competition with exhaust devices
Extremely dry or soft wood
Overdrafting
Coal Bed too small
Operating on high for extended periods
Visit www.vermontcastings.com to locate a dealer.
Vermont Castings • Dauntless FlexBurn Owner's Manual_R3 • 2020 - ___ • 05/20
Possible Cause Solution
Use dry kindling, more paper. Arrange
kindling & wood for air movement.
Check for restricted termination cap
Check for blockage of outside air kit (if
installed).
Check for flue blockage.
Pre-warm flue before starting fire (refer
to Building a Fire Section).
Check for adequate vent height (refer
to Chimney Height Section).
Refer to Negative Pressure section
Use dry, seasoned wood (refer to
Seasoned Wood Section).
Start with paper & kindling to establish
bed of coals (refer to Building a Fire
Section).
Have chimney inspected for creosote
and cleaned by a certified chimney
sweep.
Do not use exhaust fans during start-up
(refer to Negative Pressure Section).
Mix in hardwood.
Mix in larger pieces of wood after fire is
established.
Check for correct vent height; too much
vertical height creates overdrafting.
Check location of vent termination
(refer to Chimney
Requirement Section).
Open damper. Establish deeper coal
bed and move coals to the rear of the
firebox.
Reduce burn rate and allow coals to
burn down before reloading.
Termination
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