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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. soot etc.) Check for fluff in the pilot aeration hole.
See the diagram in Replacing Parts section.
Problem is with the
pipework or
fittings which lead
to the fire. 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 postion in the
pilot bracket. See
diagram 5 in Replacing
Parts, section 2.3.
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 using either the hanset or the touch pad.
FLAME FAILURE FUNCTIONAL CHECK 3IGNITION FUNCTIONAL CHECK 2
NO SPARK
Ensure there is no debris around the pilot assembly,
(e.g. soot etc.) which could short the spark, clean the area.
Consult the users
instructions, retry.
From Ignition Fault
Finding Chart 1
Is the gap between
electrode and
thermocouple 4.0mm?
Has ignition lead
become detached or is
connection poor?
Remove the electrode lead
and electrode. With insulated
pliers. Hold the tip 40mm from the
pilot pipework, is there a spark
when the system is operated?
Has the ignition lead
become detached from the
control box?
Replace the lead, retry.
Correct and retry.
Check hanset batteries are OK.
Replace if required. Check handset
is on manual. Check if handset lock
is off. Check batteries to the control
unit. Replace if required. Retry with
handset and touch pad.
Is the valve being
operated correctly?
Check tab on pilot burner
wood is not damaged. Either
repair tab or replace pilot
burner & retry
Yes
Yes
Yes
No
No
No
Yes
Yes
Yes
No
No
Replace the electrode.
Replace the electrode
lead and retry.
Yes
No