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T
ro
ubl
eshooting
S
ams
u
ng
El
ectronics
4-1
5
Wire remote controller display
E1
53
Symptom
2
nd
Detection
of
the
f
l
oat
switch
Failure
Fl
oat
switch
open
4-3-3 Float switch(Open)
No
No
Y
es
I
s
the
resistance
0
Ω ?
Y
es
I
s
the
wire
connector
disconnected
from
the
PCB
?(
CN
411
)
Rep
l
ace
the
PCB
and
restart
the
u
nit
Connect
the
connector
to
PCB
restart
the
u
nit
Rep
l
ace
the
f
l
oat
switch
and
restart
the
u
nit
Remo
v
e
the
wire
connector
from
the
PCB
and
meas
u
re
the
resistance
b
etween
two
termina
l
s
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