6.2
When Burner Will Not Stay Lit Once Manual Valve is Released
Ensure no debris is evident in pilot flame strip on burner (e.g. soot deposits,
fluff etc.) which could cause a short circuit. If so, clean the flame strip area
on the burner with a HEPA filtered vacumm cleaner to remove debris.
Light the main burner and keep the control knob
pushed in for at least 15 seconds before letting go
No
Yes
Is the pilot flame have
sufficient definition and
does it cover the
thermocouple tip ?
With the burner
running and the
control knob
held in, is the
gas pressure
as required on
the rating plate
?
Does the main burner
stay alight upon
releasing the control
knob ?
No
Will the main burner
stay alight on “low”
and “high” but only
work intermitently ?
Will the main burner stay
alight on “low” then go out
when turned to “high” ?
Yes
No
Yes
Does any air require purging
from the gas supply pipework ?
No
Yes
No
Check thermocouple
connection into back
of the gas valve
Product Working Correctly,
No Further action necessary
If the burner extinguishes during continuous use, this may be indicating that
the oxygen depletion sensor is operating, do not use the product until a
registered installer has inspected the product and the cause rectified
Gas pipework is of
insufficient size,
meter governor is
faulty, correct as
required and re-try
Yes
Is thermocouple connection
faulty ?
Replace
Themocouple or
Mag Unit in Valve
as necessary
Yes
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