A.O. Smith BFC - 28 User Manual
Page 75
is
Release R
.1.3
UK
75
Wa
rn
in
g
Ma
intena
nce may
o
nly be pe
rformed
b
y a
qu
alifie
d se
rvi
ce and main
te
nance
e
ngin
eer
.
F0
1 (bl
o
c
kin
g er
ror
)
Defect in
po
wer sup
ply
circuit.
Ph
ase and
n
eutral
sw
appe
d in error
.
Co
nnect th
e
p
hase
an
d th
e neutral correctly
. T
he ap
plia
nce is
ph
ase-sen
si
tiv
e
. See
.
Se
e appe
ndi
x
.
Cond
ensation
o
n
th
e
ioni
sa
tion rod.
1.
D
isconne
ct the lea
d at the ion
isation
rod
.
2.
Ign
ite
the
a
ppli
ance 3 times, wi
th an
in
te
rrupted io
nisation
cir
cuit.
3.
R
econn
ect the ion
isation
lead to th
e
ioni
sa
tion rod.
4.
Ign
ite
the
a
ppli
ance
ag
ain
5.
T
he rep
eated ig
nition
attempt
s
wi
ll have
cau
sed th
e
co
nden
sation to evapo
ra
te
.
If e
rro
rs be
come
persistent, con
ta
ct
your
inst
all
er
.
Flo
ating
ne
utra
l.
Inst
a
ll a
n isola
ting transformer
. Se
e
’
.
C
ont
act
you
r
in
st
a
ller to
h
ave an isol
ating transformer inst
alle
d.
F0
2 (lo
ck ou
t
e
rro
r)
Fa
n fa
ils to
run
a
t
correct sp
eed.
Damage
d wiring
.
1.
C
heck the
w
iring be
tw
een the fan and
the con
trol
ler
.
2.
If a
ny w
ires
are
damag
ed, the
wi
ring
ha
rn
ess mu
st
be
re
place
d.
3.
R
eset
the wa
ter he
ater
co
ntro
ller
.
To
h
ave the wiri
ng repl
aced an
d a new
fan
fitted, yo
u must con
ta
ct
your inst
aller
.
Cont
amina
te
d or
bl
ocke
d fa
n.
1.
C
heck whether the fa
n is co
nt
aminated
.
2.
C
heck tha
t the rotor ca
n rot
a
te
freel
y.
3.
R
eset
the wa
ter he
ater
co
ntro
ller
.
Be
cause of a vo
ltage
drop in the main
s
power
, the fan will
not
ru
n at
the correct
sp
eed
.
1.
C
heck the
sup
ply vo
lta
ge. T
his
must
be
23
0 V
A
C
(+10
% -15
%
).
2.
R
eset
the wa
ter he
ater
co
ntro
ller
.
Ta
ble
10.2
Displ
ayed errors (Shee
t 3 of
1
0)
Co
de
+
De
scrip
tio
n
Po
ss
ib
le
c
aus
e
S
o
lu
tio
n
R
emar
k