DOWNLOAD LG F1403YD25 / F1403YD26 Service Manual ↓ Size: 38.49 MB | Pages: 51 in PDF or view online for FREE

Model
F1403YD25 F1403YD26
Pages
51
Size
38.49 MB
Type
PDF
Document
Service Manual
Brand
Device
Washing Machine
File
f1403yd25-f1403yd26.pdf
Date

LG F1403YD25 / F1403YD26 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?
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, youreplace
the Pressure switch.
YES
YES
NO
Replace the
Main PCB
.
NO
YES
YES
NO
NO
Is the each resistance of Inlet Valve within
3.5 ~4.5 k
Ω ?
When the washing machine is started, 
is operated the inlet valve? 
Pre. Valve
Main Valve
Dry Valve
1
3
2
1
3
2
Reconnect or repair 
the
Connector
.
Or replace the
Harness
.
NO
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.
* 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
24
Is the 
Connector
connected correctly to
the 
Main PCB
and the 
Pump Motor 
?
Or is the 
Harness
alright ?
Is the 
Standpipe Height
greater
than 1.0 m above the floor?
When there is not water in the
pump casing, is the water level
frequency over 26.2KHz ?
Observe 
Standpipe Height
requirements 
of 
1.0
maximum.
- Your washer will not be able to drain out 
water adequately, if the standpipe exceeds 1.0 m.
In this case, water may flow back into the washer.
Check the 
Air Chamber
and the 
Tube
(clogged).
And When you check the water level frequency
again, if it is over 25.5KHz, you replace the
Pressure switch
.
YES
NO
Reconnect or repair the 
Connector
.
Or replace the 
Harness
.
NO
Replace the 
Main PCB
.
NO
Replace the 
Pump Motor
.
Is the resistance of the Pump Motor out
of 152 ~ 175Ω?
Or is the Impeller operating normally?
Is Pump motor started, when the spin mode is
started ? 
Escape
Binding
NO
NO
YES
YES
OR
YES
Page of 51
Display

Click on the first or last page to see other F1403YD25 / F1403YD26 service manuals if exist.