Doyon TLOIG, User Manual

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A16
a) Flame failure:
b) The spark is irregular or not present:
c) The air pressure switch does not close its
contact.
interlocked safety devices. In the event of a
failure of the flame or any blockage of the
combustion air supply, the burner will "lock
out" in the safety condition.
•
Air has not been bled from the gas line.
•
Porcelain insulators cracked (very little
cracks is enough).
•
Spark probe grounded.
•
It may be disconnected, incorrectly set,
defective, or the burner fan can be dirty and
does not produce enough vacuum.
The steam system does not react correctly. Check if the water supply is connected and the
input valve opened.
Call for a qualified electrician or plumber if
required.
Keep the air inlet of the burner free of obstruction.
CAUTION
Never try to modify the burner controls. This must be done only by a qualified
technician and under the company's instructions.