LG WD-1403AD5 / WD-1484ADP Service Manual ▷ View online
21
7-6. TROUBLESHOOTING WITH ERROR
Water Inlet Error (IE)
Is the water tap closed?
[Note] Environmental safety check list
1. No water tap leakage & freeze.
2. No entanglement of water supply hose.
3. No water shortage.
4. No water supply hose leakage.
5. No the inlet filter clogged.
Check the
Water tap
and open it fully.
When there is water in the tub,
is the water level frequency
over 26.2KHz?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Replace the
Inlet Valve
.
Is the
Connector
connected correctly to the
Main
PCB
and the
Inlet Valve
?
Or is the
Harness
alright ?
Check the
Air Chamber
and
the Tube
(clogged)
And When you check the water level frequency again,
if it is over 26.2KHz, you replace
the Pressure switch.
YES
YES
NO
NO
Replace the
Main PCB
.
NO
YES
YES
NO
NO
Is the each resistance of Inlet Valve within
3.5 ~4.5 kΩ ?
When the washing machine is started,
is operated the inlet valve?
Pre. Valve
Main Valve
Dry Valve
1
3
2
1
3
2
22
Unbalanced Error (UE)
Does the load lean toward one
side, or is the load a few items?
Is the washing machine installed
at an angle?
Adjust the height of washing
machine to be kept horizontally.
( Page 7)
Is the laundry mixed?
The few items of clothing will clump together
and their weight will be in one place on the drum,
throwing the weight off during spin mode.
So add some laundry to overcome UE error.
And rearrange load to allow proper spinning.
Try rearranging the laundry in drum
Or the laundry is separated by size, type, and color.
Separate by size,
type and color
YES
YES
NO
NO
YES
23
Water Outlet Error (OE)
Is the drain hose kinked ?
Check drain hose for kink and straighten the
Hose
.
Drain Hose
Is the
Pump filter
clogged ?
Next Page
Check & Clean
Pump Filter
.
YES
YES
NO
NO
This kind of accumulation on the drain filter not only
prevents proper drainage, but also will promote
bacteria growth and cause odors.
This drain filter should be cleaned once a month.
prevents proper drainage, but also will promote
bacteria growth and cause odors.
This drain filter should be cleaned once a month.
* How to disassemble and clean pump filter
Open the Cover by coin or
finger(only new model)
Cover
Drain water by removing the
hose cap.
Disassemble the pump
filter by turning the filter
cap counterclockwise.
Filter clogged by foreign objects
Assemble & close cap
Pump Filter
filter Cap
Hose Cap
Clean the filter
Filter Cap
21
7-6. TROUBLESHOOTING WITH ERROR
Water Inlet Error (IE)
Is the water tap closed?
[Note] Environmental safety check list
1. No water tap leakage & freeze.
2. No entanglement of water supply hose.
3. No water shortage.
4. No water supply hose leakage.
5. No the inlet filter clogged.
Check the
Water tap
and open it fully.
When there is water in the tub,
is the water level frequency
over 26.2KHz?
Reconnect or repair the
Connector
.
Or replace the
Harness
.
Replace the
Inlet Valve
.
Is the
Connector
connected correctly to the
Main
PCB
and the
Inlet Valve
?
Or is the
Harness
alright ?
Check the
Air Chamber
and
the Tube
(clogged)
And When you check the water level frequency again,
if it is over 26.2KHz, you replace
the Pressure switch.
YES
YES
NO
NO
Replace the
Main PCB
.
NO
YES
YES
NO
NO
Is the each resistance of Inlet Valve within
3.5 ~4.5 kΩ ?
When the washing machine is started,
is operated the inlet valve?
Pre. Valve
Main Valve
Dry Valve
1
3
2
1
3
2
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