Chec
k
whether
the
w
i
r
i
ng
i
s
connected,
whether
the
heat
i
ng
tube
has
creepage
.
8
I
nsta
ll
at
i
on
I
nstruct
i
on
(2)When
the
system
opens
e
l
ectromagnet
i
c
va
l
ve
to
supp
l
y
water,
pump
w
ill
be
act
i
vated
automat
i
ca
ll
y
to
pump
water;
when
stopp
i
ng
supp
l
y
i
ng
water,
pump
w
ill
be
c
l
osed
at
the
same
t
i
me
.
8
.
T
i
mer
(1)Key
for
choos
i
ng
t
i
me
mode
,
there
are
four
modes:
none
i
n
t
i
me
mode,
water
supp
l
y
i
n
t
i
me
mode,
e
l
ectr
i
c
heat
i
ng
i
n
t
i
me
mode,
both
water
supp
l
y
and
e
l
ectr
i
c
heat
i
ng
i
n
t
i
me
mode
.
(2)T
i
me
Mode
once
i
f
press
once
.
E
rror
d
i
sp
l
ay
and
hand
li
ng
1
.
When
system
has
fa
il
ure,
error
code
w
ill
d
i
sp
l
ay
on
the
water
temperature
area
.
2
.
The
s
i
mp
l
e
ana
l
ys
i
s
and
process
i
ng
of
fau
l
t
shows
as
fo
ll
ows:
Cause
of
ma
l
funct
i
on
Ma
l
funct
i
on
hand
li
ng
1
.
Connected
to
power
w
i
thout
press
i
ng
k
ey
2
.
The
fuse
brea
k
s
3
.N
o
power
1
.
Press
the
k
ey
to
start
up
2
.
Rep
l
ace
fuse
3
.
Chec
k
whether
the
p
l
ug
i
s
f
i
rm
l
y
p
l
ugged
i
n
N
o
d
i
sp
l
ay
Phenomenon
and
codes
of
ma
l
funct
i
on
D
i
sp
l
ay
E
5
Current
creepage
D
i
sp
l
ay
E
1
Temperature
sensor
i
s
i
n
open
c
i
rcu
i
t
Chec
k
whether
temperature
li
ne
and
c
i
rcu
i
t
w
i
r
i
ng
are
i
n
open
c
i
rcu
i
t
or
wea
k
connect
i
on
D
i
sp
l
ay
E
2
Temperature
sensor
i
s
i
n
short
c
i
rcu
i
t
Chec
k
whether
temperature
and
c
i
rcu
i
t
w
i
r
i
ng
are
connected
d
i
rect
l
y
D
i
sp
l
ay
E
3
Water
l
eve
l
sensor
i
s
i
n
open
c
i
rcu
i
t
Chec
k
whether
water
l
eve
l
cord
and
c
i
rcu
i
t
w
i
r
i
ng
are
i
n
open
c
i
rcu
i
t
or
wea
k
connect
i
on