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Troubleshooting _ 31
Error T
ype
Error Mode
Causes
Corrective
Actions
Description of Photo
W
ater
Supply
Error
4E
4E1
4E2
•
W
ater
supply
value
fault
•
Main
PCB
fault
•
Freezing
in
the
winter
season
•
Check
the
water
supply
valve
whether
only
cold
model
or
hot
and
cold
model
Incorrected
connection can occur an error
•
If
the
water
supply
valve
has
a
wi
re
disconnected,
replace
it.
•
Check
whether
the
water
supply
valve
is
clogged
with
foreign
material
and
whether
water
is
supplied
continually
.
•
Check
whether
no
water
is
suppli
ed
because
of
freezing
in
the
winter
season.
•
If
the
P
BA
relay
operates
abnorm
ally
, replace
the
PBA.
[
BITRON
]
[
SEIL
]
1.
Check
the
resistance
for
the
water
supply
valve.
-
Resistance
BITRON
3.895
to
4.305
kΩ
SEIL
3.645
to
4.455
kΩ
between
the
terminals
of
the
water
supply
valve.
2.
Check
whether
there
is
foreign
material
in
the
water
supply
valve
diaphragm.
Drain Error
5E
•
Drain
pump
fault
•
Freezing
in
the
winter
season
•
Foreign
materials
in
the
drain
pump
•
Main
PCB
fault
•
Check
whether
the
revolutions
of
the
drain
pump
motor
are
restrained
by
foreign
material.
•
Check
the
same
thing
for
the
natural
drain
process.
•
Check
whether
the
connections
a
re
correct
and
if
there
is
any
wires
disconnected.
•
If
the
drain
pum
p
operates
abnorm
ally
intermittently
when
the
temperature
of
the
water
in
the
tub
is
high.
•
If
the
m
otor
revolutions
are
restra
ined
due
to
freezing
in
the
winter
season,
check
the
method
for
removing
the
freezing
and
remove
as
directed.
►
DRAIN
PUMP
Resistance:
Approximately
182~222Ω
between
the
Terminals
for
the
W
ater
Supply
V
alve
Communication Error
AE
•
The
signals
bet
ween
the
sub
and
main
PBAs
are
not
sensed.
•
Incorrect
wire
connections
between
the
sub
and
main
PBAs.
•
Check
the
wire
connections
and
terminal
contacts
between
the
sub
and
main
PBAs.
•
Check
for
disconnected
wires.
•
Check
whether
the
sub
PBA
is
short-circuited
because
of
moisture.
•
If
the
m
ain
PBA
’s
communication
circuit
is
faulty
, replace
it.
-