If the light-receiving surface(sensing surface)
gets darkened with soot, the bad sensitivity
cause the wrong automatic operation.
Cleaning the flame detector
You can pull out the ame detector(black)
which is attached in the lower part of the
burner.
Wipe the glassy surface of the ame
detector with a scrap and x it in its position.
At least once a year,check for any loose
joints in the discharge(piping and ue),
clogging in ue, corrosion or leak. If any
abnormality is found, contact out sales
agency for checking up.(blocking pipes or
holes, and so on)
Checking the exhaust pipe
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