T
HE
GAS
PIPE
MAY
BECOME
CRACKED
AND
LEAK
GAS
DUE
TO
LONG
TIME
USE
.
I
NSPECT
IT
REGULARLY
.
(Fig.
6)
Check
the
connections
of
the
gas
pipe
regularly
with
soapy
water
(Fig.
6)
to
make
sure
there
is
no
gas
leakage.
In
case
of
gas
leakage,
never
make
fire
or
touch
any
electric
‐
switches
for
the
ventilation
fan,
etc.
Do
not
connect
or
disconnect
any
power
plugs;
otherwise,
a
flame
or
spark
could
ignite
the
gas,
causing
a
fire
or
explosion.
Close
the
master
gas
valve,
open
all
the
doors
and
windows
to
exhaust
the
gas
outside
the
house.
Stop
using
the
water
heater
and
contact
a
service
department
or
the
gas
supplier.
I
N
CASE
OF
GAS
LEAKAGE
,
NEVER
MAKE
A
FIRE
OR
TOUCH
ANY
ELECTRIC
SWITCHES
,
NOT
MAKE
TELEPHONE
CALL
IN
THE
ROOM
,
OPEN
ALL
DOORS
AND
WINDOWS
Regularly
check
the
pipe
to
make
sure
of
good
air
tightness.
If
cracked,
replace
the
pipe
at
once.
Under
normal
conditions,
the
gas
pipe
needs
to
be
checked
once
a
year.
If
the
gas
pipe
is
cracked,
stop
using
it
and
replace
it.
For
users
of
Propane:
if
the
flame
of
the
water
heater
is
inconsistent,
it
may
be
due
to
a
malfunction
of
the
gas
pressure
reducer,
Stop
using
the
pressure
reducer
and
replace
it,
or
get
it
repaired
and
installed
by
a
professional
technician.
For
users
of
piped
gas
or
natural
gas:
if
the
flame
is
abnormal,
it
is
due
to
an
unstable
gas
pressure.
Stop
using
the
water
heater
temporarily.
Continued
use
will
damage
the
water
heater
and
possibly
cause
an
accident.