Automatic Unbalance Adjustment; Circulating-Water Course And Lint Filter - Daewoo DWF-4220 Series Service Manual

AUTOMATIC UNBALANCE ADJUSTMENT

This system is to prevent abnormal vibration during intermittent spin and spin process.
FUNCTIONAL PRINCIPLE
1. When the door is closed, the safety switch
contact is "ON" position.
2. In case that wash loads get uneven during spin,
the outer tub hits the safety switch due to the
serious vibration, and the spin process is
interrupted.
3. In case that P.C.B. ASS'Y gets "OFF" signal from
the safety switch, spin process are stopped and
rinse process is started automatically by P.C.B.
ASS'Y.
4. If the safety switch is operated due to the
unbalance of the tub, the program is stopped and
the alarm is given.

CIRCULATING-WATER COURSE AND LINT FILTER

CIRCULATING-WATER
The washing and rinsing effects have been
improved by adopting the water system in which
water in the tub is circulated in a designed pattern.
When the pulsator rotates during the washing or
rinsing process, the water below the pulsator vane
creates a water currents as shown in figure.
Contact of safety switch door closing
Position of
unbalanced
load(OFF)
NOTE:
The alarm finished when you close the door after opening it.
Check the unbalance of the wash load and the installation
condition.
Filter
Water
channel
Pulsator
6
door opening
Contact lever A
Normal(ON)
Tub
Outer tub