LG DLEX8000, Service Manual, Page: 34 / 58

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36
Test 3
Motor Test
Before measuring resistance, be sure to turn the power off and discharge voltage.
(When discharging, contact the metal plug of power cord with ground wire.)
Drum dose not rotate; no blower function, no heater function.
Turn the dryer’s power off, then measure resistance.
Is resistance below 3
blue tab relay connector(X562) and Brown wire on
the yellow tab relay connector(X2)
Ω
between White wire on the
Measure while door is closed.
• R eplace control.
(Relay check)
• Check controller
connector.
• Check if door frame
presses door switch
k nob.
• Check door switch.
• Check harness
connection.
• R eplace control.
(Relay check)
• Check controller
connector.
• R eplace outlet
• T hermostat.
(Refer to
‘component’)
• Check idler assembl y.
• Drum belt cuts off
• Drum belt takes of f
from motor pulley.
• R eplace idler
switch.
Is resistance below 3
yellow tab relay connector(X2) and Connect
BL2-
③
(Yellow wire) ?
Ω
between Brown wire on the
Measure while door is closed.
Is resistance below 3
Ω
between connector
WH4- (Yellow wire) and WH4- (Brown wire)?
Is resistance below 1
Ω
between terminals
of outlet thermostat attached to blower housing?
Does idle switch attached to motor bracke t
operate level by drum belt?
(Not operating lever is normal.)
Is resistance below 1
Ω
between idler switch
terminals?
• Check moto r. (Refer to ‘motor diagram & check’ )
• Check if control connector is contacted.
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Caution
Trouble Symptom
Measurement Condition
BK WH
Blue(X562)
Tap Relay Connector
Tap Relay Connector
Yellow(X2)
③ ①
BN BK
Yellow(X2)
BL2
BN BK
YL