Read LG 29002 Service Manual online
38
7) Water does not drain.
When, what, and how to check
Result of Check
Possible Cause
How to repair
Drain Pump
1. Can you hear the drain pump running?
2. Check resistance between terminals if
there is no working sound of the drain
pump.
pump.
3. If the motor tests good, check the
connector.
Drain Hose
1. Verify the drain hose is not pinched,
kinked, or mashed.
2. Verify the drain hose is not clogged or
obstructed.
Yes
∞Ω
LEAVE BLANK
LEAVE BLANK
Pinched, kinked, or
mashed.
mashed.
LEAVE BLANK
Drain pump is blocked by
foreign objects.
foreign objects.
The motor is open.
Defective connector.
Connector OK.
Incorrect installation.
Blocked hose.
NOTE: There is no place to
do this. Please include the
correct pump information for
this machine. This is useless.
do this. Please include the
correct pump information for
this machine. This is useless.
Replace the pump.
Replace the main board.
Replace the main control
board.
board.
Reinstall correctly.
Unstop the hose and re-
install it so it is not kinked,
pinched, or mashed.
install it so it is not kinked,
pinched, or mashed.
8) Water drains, but at the wrong time
When, what, and how to check
Result of Check
Possible Cause
How to repair
PV asm
1. If water runs back into the machine after
the drain cycle, inspect the pump's
check valve to verify it is not obstructed
by lint or foreign material.
check valve to verify it is not obstructed
by lint or foreign material.
Controller
1. Check to see if the drain pump or drain
motor runs at power up (before the
POWER button is pressed.
POWER button is pressed.
Blockage in pump
housing or drain
bellows.
housing or drain
bellows.
Check valve and / or
drain bellows
deformed or
damaged.
drain bellows
deformed or
damaged.
The pump runs.
LEAVE BLANK
Defective triac on main
board.
board.
Remove the blockage or
foreign objects.
foreign objects.
Replace the check valve and
/ or the bellows. These soft
rubber parts may swell if
contacted by petroleum-
based products.
/ or the bellows. These soft
rubber parts may swell if
contacted by petroleum-
based products.
Replace the main board.
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