Stovax Aspen - Manual (Page 25)

25
SERVICING INSTRUCTIONS
FAULT FINDING CHARTS
PILOT WILL NOT STAY LIT OR FIRE GOES OUT IN USE
Ensure there is no debris around the pilot assembly,
(e.g. coal, soot etc.) Check for fluff in the pilot aeration hole.
See diagram 13 arrow A in replacing parts section.
If the appliance goes out in use continually, this may mean that the oxygen
depletion sensor has been activated. The appliance should not be used until the
cause has been found and rectified.
Problem is with the
pipework or
fittings which lead to the fire. Correct
and retry.
Is thermocouple connection good in back of valve? Replace ODS unit.
Will pilot
stay alight?
Change mag
unit.
Is the pilot flame of the
correct length? See
diagram 13 in replacing
parts section.
Change the
ODS unit.
Will pilot stay alight?
With the pilot
running is the gas
pressure as stated on
the databadge?
With the fire running
on full is the gas at the pressure stated on the databadge?
Run for 3 mins,
turn off, time interval
until mag unit shuts with a click. Is this
greater than 7
seconds?
Run for 3 mins, turn off, time interval until mag unit shuts with a
click. Is this greater
than 7 seconds?
Tighten the
connection and retry.
No
No No
No
No
No
Yes
SYSTEM OK
Yes
Yes
Yes
Yes
No
Yes
Yes No
Light the pilot and keep the control knob pushed in
at least 10 seconds before letting go.
FLAME FAILURE FUNCTIONAL CHECK 3
Yes