is
Instruction
m
anu
al
DR-
R
S
54
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
.
8.2
T
rou
blesh
oot
ing
t
a
bl
e for general errors
Ta
b
le
8.
1
Gen
eral errors (Sheet 1 of
2
)
Symptom
C
ause
So
lu
tio
n
R
emar
k
Ga
s smell
Gas lea
k
Wa
rn
in
g
Immedia
te
ly
cl
ose th
e ma
in gas valve
.
Wa
rn
in
g
D
o n
ot o
perate
any
switches.
Wa
rn
in
g
N
o n
aked
flames.
Wa
rn
in
g
V
en
tilate
th
e b
oil
er ro
om.
n
Remark
Immed
iately
cont
act you
r i
nst
a
ller
or
local
g
as co
mp
any
.
W
ater leak
age
Leaka
ge fro
m
on
e of
the
w
ate
r con
nection
s
(threa
ded
).
T
ig
hten th
e th
re
ade
d co
nne
ctio
n.
If
the
leak persist
s, consult your
inst
aller
.
Leaka
ge from ano
the
r
nearb
y wa
ter water
heater or pipe
se
gment.
T
race the le
ak.
Leaka
ge fro
m
the
water h
eater
’s
hot
water t
an
k.
Co
nsult th
e
su
ppli
er and/or manufacturer
.
Cond
ensation
B
efore draw
ing of
f (too
much)
hot t
ap
wa
te
r, wait
u
ntil th
e water
in
the
he
ate
r h
as re
ached
the
set
te
mp
erature.