Logic HE Balanced Flue Combined Controls Installation User Instructions

32
PILOT WILL NOT STAY LIT OR APPLIANCE GOES OUT IN USE
Ensure there is no debris around the pilot assembly,
(e.g. soot etc.)
Problem is with the
pipe work or
fittings which lead
to the appliance.
Correct
and retry.
Is thermocouple
connection good
in back of valve?
Replace thermocouple
Will pilot
stay alight?
Change mag
unit.
Is the pilot flame of the
correct length? Is the
thermocouple in its
correct position in the
pilot bracket,
see Replacing parts,
secton 3.
Change the
pilot injector
Will pilot
stay alight?
With the pilot
running is the gas
pressure as stated on
the data badge?
With the appliance
running on full is the
gas at the pressure
stated on the data
badge?
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
Is the flue working?
Rectify flue
No
Yes
Yes
Fault Finding Charts
Servicing Instructions