T
ROUBLE
&
T
ROUBLESHOOTING
Troubles
Causes
Flame
goes
ou
t
dur
in
g
use
Open
water
valve,
no
flame
Explosion
‐
like
bur
ni
ng
upo
n
ig
ni
ti
ng
Yellow
flame
with
da
rk
sm
ok
e
A
bno
rma
l
flame
with
unex
p
ec
te
d
sm
e
ll
A
bno
rma
l
no
is
e
fr
om
bu
rni
n
g
No
ho
t
water
althou
gh
se
t
for
large
flame
No
ho
t
water
whe
n
set
for
low
tempe
ratu
re
Flame
goes
ou
t
wh
e
n
set
for
low
Remains
bu
rni
n
g
after
cold
/h
ot
wate
r
va
lve
is
closed
Troubleshooting
The
master
gas
valve
remains
closed,or
gas
used
up
•
•
Open
the
master
gas
valve
or
replace
the
gas
bottle
Malfunction
of
pressure
adjuster
•
•
•
•
•
Open
the
master
gas
valve
or
replace
the
gas
bottle
Remaining
air
in
the
gas
pipe
•
Repeat
operating
to
open/close
hot
water
valve
until
burning.(note:
remember
to
keep
an
interval
of
minimum
5
seconds
between
)every
open
and
close),get
a
repairman
to
repair
the
pressure
adjuster.
Abnormal
inlet
gas
pressure
High
•
•
•
•
Low
•
•
•
•
Cold
water
valve
remains
closed
•
Fully
open
the
water
inlet
valve
Block
in
the
filter
net
•
•
•
Clean
the
filter
net
Frozen
Get
unfrozen
before
use
Low
cold
water
pressure
•
•
•
Check
the
water
pressure
Incorrect
way
to
adjust
water
temperature
•
•
Adjust
temperature
knob
and
water
knob
Lack
of
fresh
air
supply
•
•
•
Improve
air
ventilation
to
supply
enough
fresh
air
Action
of
security
device
•
•
Restart
water
heater,if
it
fails
to
work
send
it
to
the
service
department
for
repair
Powerless
batteries
•
•
Replace
the
battery
Block
in
the
burner
•
•
•
•
•
Contact
the
service
department
Block
in
the
heating
coil
•
•
•
•
Malfunction
of
the
thermal
pin
•
•
•
•
Malfunction
of
the
water
control
unit
•
•
Malfunction
of
the
on/off
switch
•
•