In order, the fi ve lights indicate:
1
oiler
n Indicate
oiler h t do n arning
o estic ot
ater circ it
entral eating stand
entral eating circ it
Ins fi cient ress re in entral eating
lectric o er s
Al a s check or s fi cient gas s
Mini
o 22
dia eter i e ork on
fl e s ste
and a 3 a
MF0 PCB
hen o erating the
lights sho ld e on: 3,
I the oiler
orks or
can, there ore, e eli inated as eing at a lt.
B
I
oiler orks or . .
I the ta
s
ol light is on the a lt is the
eter has not o erated.
B
I the oiler orks or . . .
ther ostats . Integral clock i fi tted or . . sensor.
I the heating de and light is on the a lt is
a clock or roo
ther ostat not calling.
o override eli inate an e ternal controls disconnect the
and refi t the link ire see fi g. 2 .
B
he a lt is likel to
there a s ark at the ignition electrode
s ect gas s
Is an r nning
s ect air ress re s itch or overheat stat i
Is lo
ater ress re light lashing
o
ater to a ove 1 ar. oes the light go o t
oes an start
oes oiler light
Is hot ater
r heating, i heating does not
go o t
s ect lo
ater ress re s itch.
I
oiler still does not fi re see co
lashing ight
er anent ight
ste
l
er anent ight
l
se.
. . the ollo ing lights sho ld e on: ,
and fl a e on light.
. .
t not
. . ., or vice versa, a n
t not or . . . the a lt is
C
t not or heating the a lt is
C
e a co
onent co
l , ress re or gas valve.
ork ollo
rehensive a lt fi nding chart.
lashing ight
20
ar inlet
orking
. . fl o
and ret rn
ith adeq ate
and fl a e on light. or
er o co
ost likel to e the fl o
. . . sensor. I this light is not on then s s ect the fl o
ost likel to e e ternal controls i.e. clocks or roo
ost likel the
. . sensor. I this light is not on s s ect either
ro
on to
oth services.
oiler locks o t itho t s arking go to overheat stat
i
ater ress re o k s s ect high li it stat
g ide or heating a lts.
ress re or
G and 37
- ass. A correctl installed
. . . the ollo ing
onents
st e
eter or . . . sensor.
ter inal 3 and
nderneath the
en a hot ta
to create a de and - is
oes lo
ar or
G .
nctioning and
oiler
ater
ress re light