30 _ Troubleshooting
4-2. CORRECTIVE ACTIONS FOR EACH ERROR CODE
►
These
are
co
mmon
troublesh
ooting
procedures
for
each
drum
-type
washer
error
mode.
For
detailed
information,
refer
to
the
general
repair
scripts.
Error T
ype
Error Mode
Causes
Corrective
Actions
Description of Photo
W
ater
Level
Sensor
1E
•
W
ater
level
sen
sor
fault
•
Incorrect
connections
of
the
water
level
sensor
terminal
•
The
hose
part
for
the
water
level
sensor
is
folded.
•
Main
PCB
fault
•
Check
the
water
level
sensor
term
inal
connections
and
contacts.
•
An
error
occurs
if
an
incorrect
water
level
sensor
is
used.
Make
sure
to
check
the
material
code.
(Abnormal
operation)
•
If
the
water
level
sensor
is
faulty
, replace
it.
•
If
the
error
persists
despite
taking
the
action
above,
replace
the
PBA.
Check
the
water
level
sensor
frequency
.
-
Check
it
after
th
e
water
level
sensor
and
the
connector
are
connected.
-
Frequency:
Approx.
26.1
KHz
with
no
load
W
ashing
Motor
Error
and
Hall
Sensor Error
3E
3E1
3E2
3E3
3E4
•
W
ashing
motor
fault
•
W
ashing
motor
hall
sensor
fault
•
Incorrect
connections
of
the
washing
motor/hall
sensor
connector
•
W
ashing
motor
rotor
and
stator
fault
•
Main
PCB
fault
•
Check
the
motor
connector
termin
al
connections
and
contacts.
•
3E1
is
displaye
d
because
overloa
ding
occurs
due
to
too
much
laundry
.
•
If
the
hall
senso
r terminal
is
faulty
, replace
the
hall
sensor
.
•
Check
whether
the
stator
of
the
m
otor
cover
is
damaged.
•
Check
for
coil
disconnections
due
to
foreign
material.
•
If
the
P
BA
control
circuit
is
faulty
, replace
the
PBA.
►
MAIN
PCB
Check
the
resistance
on
the
main
PCB
motor
.(Between
pins
1
and
3,
and
1
and
2
of
the
three(3)
pins)
-
Resistance
:
Approx.
2
to
5MΩ
-
Check
the
voltage
when
the
power
is
on.
[Motor
Power]
[Hall
Sensor
]
►
Inverter
BLDC
Motor
Check
the
resistance
on
the
Motor
Power
&
Hall
Sensor
-
Motor
Power
Any
T
erminal
2pin
Check
4.8~4.95Φ
-
Hall
Sensor
①
Y
ellow
&
Red
:
7kΩ↓
②
Y
ellow
&
Blue
:
7kΩ↓
