LG 41573 Service Manual ▷ View online
2
2
7. TEST MODE
SPIN SPEED
SOIL LEVEL
WASH/RINSE
DELAY WASH
23
8. TROUBLESHOOTING
2
4
E
S
U
A
C
M
O
T
P
M
Y
S
R
O
R
R
E
LOCKED MOTOR
ERROR
ERROR
EEPROM ERROR
• The connector (3-pin, male, white) in the MOTOR
HARNESS is not connected to the connector (3-pin,
female, white) of STATOR ASSEMBLY.
female, white) of STATOR ASSEMBLY.
• The electric contact between the connectors (3-pin,
male, white) in the MOTOR HARNESS and 4-pin,
female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
female, white connector in the MAIN PWB
ASSEMBLY is bad or unstable.
• The MOTOR HARNESS between the STATOR
ASSEMBLY and MAIN PWB ASSEMBLY is cut
(open circuited).
(open circuited).
• The hall sensor is out of order/defective.
8
• EEPROM is out of order.
Displayed only when the START/PAUSE button is
first pressed in the Load Test Mode.
first pressed in the Load Test Mode.
9
g
n
i
h
s
a
w
e
li
h
w
d
e
p
p
o
t
s
s
i
y
l
p
p
u
s
r
e
w
o
p
e
h
t
r
e
tf
A
•
E
R
U
L
I
A
F
R
E
W
O
P
machine is working, the power is supplied rapidly.
10
8-4. TROUBLESHOOTING WITH ERROR
25
INLET VALVE ERROR
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
When you press both
WASH/RINSE button and
DELAY STRAT button
simultaneously,
is the water level < 246?
WASH/RINSE button and
DELAY STRAT button
simultaneously,
is the water level < 246?
Is the voltage at the inlet
valve coil 120VAC with the
valve energized?
valve coil 120VAC with the
valve energized?
ALWAYS CHECK FOR EXTERNAL CAUSES
Water supply shut off
Frozen water lines
Kinked fill hose
Low water pressure
Water supply shut off
Frozen water lines
Kinked fill hose
Low water pressure
Is the wiring correct? Refer to
the wiring diagram for correct
connections.
the wiring diagram for correct
connections.
(Refer to 9-5 wiring diagram)
Is the water level still < 246?
Is filter inlet valve clogged
with foreign material?
with foreign material?
Check the connectors at the
main PCB and the water
valve. Are the connectors
loose or disconnected?
main PCB and the water
valve. Are the connectors
loose or disconnected?
Is the resistance of fill valve
coil between 800 and
1200
coil between 800 and
1200
?
(Refer to 9-5 inlet valve
assembly.)
assembly.)
Yes
Replace the
INLET VALVE
ASSEMBLY.
INLET VALVE
ASSEMBLY.
Replace the
MAIN HARNESS.
MAIN HARNESS.
Check the
pressure
switch. Refer to
test #2.
pressure
switch. Refer to
test #2.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
Reconnect or
repair
the connector.
repair
the connector.
Replace the
INLET VALVE
ASSEMBLY.
INLET VALVE
ASSEMBLY.
Clean or
replace the filter.
replace the filter.
Check the AIR
CHAMBER
and the tube
(clogged).
CHAMBER
and the tube
(clogged).
Proceed to next step at right.
Is displayed?
Click on the first or last page to see other 41573 service manuals if exist.