Removal Of Objects Between Tub And Drum; Water Level Switch - LG WM2496*M Series Training Manual

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DISASSEMBLY/REPAIR
The water level detector switch monitors the water level and feeds this
information to the MICOM. The sensor reads air pressure in an air chamber on
the tub. The air pressure changes in relation to the depth of the water, moving a
diaphragm in the switch. As the water level fluctuates, it raises or lowers the iron
center in the coil, which, in turn, changes the electric resonance of the oscillator
circuit of which it is a part. As water level decreases, frequency increases.
(e.g. A low water level may read 25.5 kHz, while a high water level may read
21.4 kHz. These readings are approximate; washers in the field may vary slightly
from these figures.)
To read the frequency while the WM2496 is running, press and hold the LOW
SPIN and LIGHT SOIL buttons simultaneously. The number on the display
should be divided by 10 to obtain the frequency reading in kHz. A display of 254
would indicate a frequency of 25.4 kHz. The MICOM interprets the frequency
reading as one of eight levels, with one being the lowest water level and any
level greater than eight indicating an overflow situation.
WM2496H*M
(Object between tub and drum)

WATER LEVEL SWITCH

Page 45 of 58
1.
Remove the top cover.
(See page 37.)
2.
Remove the front cabinet
cover. (See page 40.)
3.
Remove the heater.
(See page 44.)
4.
Fish out the foreign object(s)
using a wire or bar.
TRAINING MANUAL

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