Read LG 29278 Service Manual online
35
4) Water doesn’t come into the wash tub.
When, what, and how to check
Result of Check
Possible Cause
How to repair
Inlet Valve
1. If you hear the valve noise but get no
water, check to see if the water is turned
off outside the house.
off outside the house.
2) Check to see if taps are opened.
3) Hot and cold hoses are reversed.
4) Incorrect water temperature selected.
5) If items above check out OK, turn off the
water, remove the hoses, and check the
grit filters.
grit filters.
6) If everything checks out this far, check
the vent hole in the pressure switch for
blockage and make sure the plunger
can move freely.
blockage and make sure the plunger
can move freely.
2. If the inlet valve fails (no clicking or
buzzing) when the washer should be
filling, check the connectors on each
valve and at the main board.
filling, check the connectors on each
valve and at the main board.
2) Check resistance of the inlet valve.
Pressure Switch
1. Does the display show a PE error code?
2. Use TEST MODE to read the frequency
of the pressure switch while filling an
empty washer.
empty washer.
Controller
1. If the pressure switch and inlet valves
test good, the problem is probably a
defective main board.
defective main board.
No water coming
from taps.
from taps.
Tap is closed.
Incorrect installation.
Select correct temp.
Grit, sand, and
foreign substances
plugging filter.
foreign substances
plugging filter.
Loose connection.
∞Ω
PE Error displayed.
Less then 26.2 kHz
Water main turned off.
User error.
Incorrect installation.
User error.
Normal sediment in water
supply.
supply.
Water inlet valve(s)
defective.
defective.
Loose connection.
Coil is open
Connector is loose, wire is
broken, or the pressure
switch is defective.
broken, or the pressure
switch is defective.
Pressure switch is
defective.
defective.
Explain.
Turn on the tap.
Reconnect hoses to correct
taps.
taps.
Read and understand
manual.
manual.
Remove the filters, clean
them with a small brush, and
replace them.
them with a small brush, and
replace them.
Replace the inlet valves.
Remove and replace the
connector(s).
connector(s).
Replace the valve.
Remove and replace the
connector. If this does not
resolve the issue, replace the
pressure switch.
connector. If this does not
resolve the issue, replace the
pressure switch.
Replace the pressure switch.
Replace the main board.
Click on the first or last page to see other 29278 service manuals if exist.