Fault Diagnosis - Aarrow Becton MK 2 Operating & Installation Manual

SERVICING
START
Does the pilot
ignite?
No
Is the gas supply
turned on?
Yes
Is the supply
pressure correct?
Yes
Is their a spark at the
electrode?
Yes
Check to ensure the
pilot assy is not
obstructed or faulty
Becton Bunny & Becton 7 MK2 Gas stoves
Does the pilot
Yes
stay alight?
No
Is their air in the
No
system?
Turn gas on
No
Is the
No
thermocouple
o.k.?
Correct
pressure
Yes
Is pilot injector
No
obstructed?
Check piezo
igniter
No
Has spillage
monitoring
system been
activated?
Yes
Investigate flue
systems

FAULT DIAGNOSIS

Yes
Yes
Purge system
No
Correct
alignment or
replace
Yes
Clean
No
Check all pipe
connections
check main valve
magnet
Does the main
Yes
burner light?
Fire satisfactory
No
Is the main
Yes
injector blocked?
No
Is the flue
Carry out
blocked?
smoke test
No
Confirm supply
pressure is correct
Clean and
replace as
necessary
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