
37
clean heat technology
FFFFFAUL
AUL
AUL
AUL
AULT FINDING 10
T FINDING 10
T FINDING 10
T FINDING 10
T FINDING 10
10-1
Householders Fault Finding
-
also see www.gah.co.uk
k
c
e
h
C
r
e
d
l
o
h
s
u
o
H
n
o
it
u
l
o
S
e
l
b
i
s
s
o
P
e
h
t
o
t
r
e
w
o
p
e
r
e
h
t
sI
?
r
e
li
o
B
?
N
O
p
m
a
L
s
n
ia
M
sI
)
y
l
n
o
s
r
e
li
o
B
l
a
n
r
e
t
x
E
(
o
N
tl
u
a
F
.r
e
li
o
B
e
h
t
o
t
r
e
w
o
p
o
n
s
i
e
r
e
h
T
.
N
O
s
i
l
e
n
a
p
l
o
rt
n
o
c
r
e
li
o
B
e
h
t
n
o
h
c
ti
w
s
s
n
ia
m
k
c
e
h
C
.
1
.
N
O
d
e
h
c
ti
w
s
s
i
r
e
li
o
B
e
h
t
o
t
r
e
w
o
p
k
c
e
h
C
.
2
.
s
e
s
u
f
k
c
e
h
C
.
3
s
e
Y
l
a
m
r
o
N
p
m
a
l
t
u
o
k
c
o
L
r
e
n
r
u
B
sI
?
N
O
s
e
Y
tl
u
a
F
.
d
e
rr
u
c
c
o
s
a
h
t
u
o
k
c
o
L
.
k
n
a
t
e
h
t
n
i
li
o
s
i
e
r
e
h
t
k
c
e
h
c
,l
i
o
n
o
w
o
l
n
u
r
e
v
a
h
y
a
m
u
o
Y
.
1
.
F
F
O
d
e
n
r
u
t
n
e
e
b
t
o
n
s
a
h
k
n
a
t
e
h
t
m
o
rf
li
o
e
h
t
k
c
e
h
C
.
2
.
3
-
3
e
e
s
,
e
r
u
d
e
c
o
r
p
’t
u
o
k
c
o
L
r
e
tf
a
r
e
li
o
B
tr
a
t
s
e
R
‘
t
u
o
y
rr
a
C
.
3
o
N
l
a
m
r
o
N
s
i
r
e
li
o
B
e
h
t
o
t
r
e
w
o
P
s
i
p
m
a
l
t
u
o
k
c
o
L
d
n
a
n
O
t
o
n
s
i
r
e
li
o
B
t
u
b
F
F
O
g
n
it
a
e
h
r
e
v
o
,
g
n
i
n
n
u
r
.
d
e
t
c
e
p
s
u
s
?
N
O
p
m
a
L
ti
m
i
L
sI
)
y
l
n
o
s
r
e
li
o
B
l
a
n
r
e
t
x
E
(
s
e
Y
tl
u
a
F
.
d
e
t
a
e
h
r
e
v
o
e
v
a
h
y
a
m
r
e
li
o
B
.
p
u
y
ll
u
f
d
e
n
r
u
t
n
e
e
b
t
o
n
s
a
h
l
o
rt
n
o
c
t
a
t
s
o
m
r
e
h
t
r
e
li
o
B
e
h
t
t
a
h
t
k
c
e
h
C
.
1
.
g
n
ik
r
o
w
s
i
p
m
u
p
e
h
t
t
a
h
t
k
c
e
h
C
.
2
r
e
li
o
B
e
h
t
tr
a
t
s
e
r
o
t
n
o
tt
u
b
e
h
t
s
s
e
r
p
,
n
o
tt
u
b
t
e
s
e
r
l
a
u
n
a
m
a
e
v
a
h
s
r
e
li
o
B
t
s
o
M
.
3
.
3
n
o
it
c
e
S
e
e
s
-
n
w
o
d
d
e
l
o
o
c
s
a
h
ti
n
e
h
w
o
N
l
a
m
r
o
N
N
O
p
m
a
l
s
n
ia
M
)
y
l
n
o
t
x
e
(
F
F
O
p
m
a
L
t
u
o
k
c
o
L
t
a
t
s
o
m
r
e
h
T
r
e
li
o
B
o
t
t
e
s
s
i
l
o
rt
n
o
c
.
e
r
u
t
a
r
e
p
m
e
t
s
a
h
n
o
tt
u
b
t
e
s
e
r
l
a
u
n
a
M
.
d
e
s
s
e
r
p
n
e
e
b
.
g
n
ik
r
o
w
t
o
n
r
e
li
o
B
s
e
Y
tl
u
a
F
.
m
e
t
s
y
s
l
o
rt
n
o
c
g
n
it
a
e
h
e
h
t
h
ti
w
e
b
y
a
m
tl
u
a
f
e
h
t
t
a
h
t
s
e
t
a
c
i
d
n
i
s
i
h
T
.
e
m
it
d
e
ri
u
q
e
r
e
h
t
t
a
t
a
e
h
r
o
f
t
e
s
s
i
e
m
m
a
r
g
o
r
p
e
h
t
k
c
e
h
C
.
1
.
e
r
u
t
a
r
e
p
m
e
t
o
t
t
e
s
s
i
t
a
t
s
o
m
r
e
h
t
m
o
o
r
e
h
t
t
a
h
t
k
c
e
h
C
.
2
.
N
O
s
i
m
e
t
s
y
s
l
o
rt
n
o
c
e
h
t
o
t
r
e
w
o
p
k
c
e
h
C
.
3
o
N
l
a
m
r
o
N
g
n
ik
r
o
w
r
e
li
o
B
e
h
t
sI
,
g
n
il
b
b
u
b
g
n
ik
a
m
t
u
b
g
n
i
g
n
a
b
r
o
g
n
il
g
r
u
g
?
e
s
i
o
n
s
e
Y
tl
u
a
F
.
m
e
t
s
y
s
e
h
t
n
i
ri
a
s
i
e
r
e
h
t
t
a
h
t
s
e
t
a
c
i
d
n
i
s
i
h
T
.
s
r
o
t
a
i
d
a
r
e
h
t
d
e
e
l
B
.
1
e
v
l
a
v
ll
a
b
e
h
t
,r
e
t
a
w
f
o
ll
u
f
s
i
tf
o
l
e
h
t
n
i
k
n
a
t
r
e
d
a
e
h
e
h
t
t
a
h
t
k
c
e
h
c
,
e
l
b
a
e
r
a
u
o
y
fI
.
2
.
k
c
u
t
s
e
v
a
h
y
a
m
o
N
l
a
m
r
o
N
10-2
Householders Fault Finding
-
System Boilers
IMPORTANT
If you have not been able to rectify the problem contact the INSTALLER who will advise you further.
Do not involve a third party that may incur you costs as this will not be covered by the Boiler Guarantee and any work
not authorised by the manufacturer may also invalidate the Guarantee.
k
c
e
h
C
r
e
d
l
o
h
s
u
o
H
k
c
e
h
C
r
e
d
l
o
h
s
u
o
H
k
c
e
h
C
r
e
d
l
o
h
s
u
o
H
k
c
e
h
C
r
e
d
l
o
h
s
u
o
H
k
c
e
h
C
r
e
d
l
o
h
s
u
o
H
n
o
it
u
l
o
S
e
l
b
i
s
s
o
P
n
o
it
u
l
o
S
e
l
b
i
s
s
o
P
n
o
it
u
l
o
S
e
l
b
i
s
s
o
P
n
o
it
u
l
o
S
e
l
b
i
s
s
o
P
n
o
it
u
l
o
S
e
l
b
i
s
s
o
P
n
O
s
i
r
e
li
o
B
e
h
t
o
t
r
e
w
o
P
t
u
b
F
F
O
s
i
p
m
a
l
t
u
o
k
c
o
L
d
n
a
,
g
n
i
n
n
u
r
t
o
n
s
i
r
e
li
o
B
.
d
e
t
c
e
p
s
u
s
g
n
it
a
e
h
r
e
v
o
?
N
O
p
m
a
L
ti
m
i
L
sI
)
y
l
n
o
s
r
e
li
o
B
l
a
n
r
e
t
x
E
(
.
m
e
t
s
y
s
ll
if
e
r
,r
e
w
o
l
fI
.r
a
B
2
&
1
n
e
e
w
t
e
b
e
b
d
l
u
o
h
s
ti
,
g
n
i
d
a
e
r
e
g
u
a
g
e
r
u
s
s
e
r
p
k
c
e
h
C
ll
if
e
r
n
e
h
t
s
/t
n
e
v
ri
a
l
a
u
n
a
m
n
e
p
o
d
n
a
s
r
o
t
a
i
d
a
r
d
e
e
l
b
,f
f
O
r
e
li
o
B
h
ti
w
-
m
e
t
s
y
s
n
i
ri
a
r
o
f
k
c
e
h
C
.
m
e
t
s
y
s
R
P
T
m
o
rf
g
n
i
g
r
a
h
c
s
i
d
r
e
t
a
W
e
p
i
p
e
g
r
a
h
c
s
i
d
.
d
e
t
c
e
n
n
o
c
s
i
d
d
n
a
F
F
O
d
e
n
r
u
t
s
i
p
o
o
l
g
n
il
li
f
k
c
e
h
C
.r
e
ll
a
t
s
n
i
tl
u
s
n
o
c
,
e
r
u
s
s
e
r
p
r
e
v
o
m
e
t
s
y
S
.r
e
ll
a
t
s
n
i
t
c
a
t
n
o
c
,
n
o
is
n
a
p
x
e
t
n
e
i
c
if
f
u
s
n
I
1 0
1 0
1 0
1 0
1 0