HearthStone Quality Home Heating Products Inc
STOWE Gas-Fired Direct Vent heater
38
TROUBLESHOOTING (cont.)
Symptom
Possible Cause
Corrective Action
10. Delayed
ignition (makes a
sudden "whoosh"
noise as the burner
lights). This is a
buildup of gases
prior to ignition.
This is more
prevalent with
propane (LP) fuel.
A. Incorrect air-to-fuel ratio.
A1. Primary air incorrect.
A2. Burner ports plugged.
A1. Adjust the air shutter for a proper burn.
A2. Open ports to allow for proper travel of
flames.
B. Improper log placement. B. Reposition logs to eliminate interference
with flame travel.