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22 Becton Bunny & Becton 7 mk3 Gas stoves
SERVICING
Is the gas supply
turned on?
Does the pilot
ignite?
Yes
Does the pilot
stay alight?
Yes
Does the main
burner light?
Yes
Fire satisfactory
No
Is their air in the
system?
Yes
Is the main
injector blocked?
Yes
Clean and
replace as
necessary
Is the supply
pressure correct?
No
Is the
thermocouple
o.k.?
No
Is the flue
blocked?
Carry out
smoke test
Is their a spark at the
electrode?
No
Is pilot injector
obstructed?
Clean
No
No
No
Turn gas on
Purge system
Yes
Correct
pressure
No
Correct
alignment or
replace
No
Yes
Check piezo
igniter
Yes
Check to ensure the
pilot assy is not
obstructed or faulty
Yes
No
Has spillage
monitoring
system been
activated?
Yes
Investigate flue
systems
Yes
No
Check all pipe
connections
check main valve
magnet
No
Confirm supply
pressure is correct
FAULT DIAGNOSIS
START