LG DLGX3571 series Service Manual

Case1. Motor doesn’t operate at all.
Case2. Motor operates but stops soon. ˧GGo to೦
Power on, press the start
button.
Display status is ‘Pause’?
Check the door
is not closed
properly.
When the door is closed, door light
is still on?
Unplug UNIT /
Is resistance less than 3Ω
Between connetors?
Note : Measure while door is
closed
Unplug UNIT /
Does belt switch attached to
Motor braket operate lever by
Drum belt?
(Not operating Lever is Normal)
Check belt switch
-.Drum belt cuts
off
-.Drum belt takes
off from motor.
Is the voltage
120Vac during a
cycle.
-. No:defect PCB
-. Yes: Unit good
CAUTION:
Potential for
voltages over
100Vac. Proceed
with care.
Check the door
Switch and hous-
ing.
Retest / recheck door switch, outlet
thermostat, belt switch, motor as-
sembly, harness.
Check belt
-.Drum belt cuts
off
-.Drum belt takes
off from motor.
Defective Motor
Defective Outlet
thermostat
Defective Belt
Switch
Unplug UNIT / Check belt switch
1.Lever open
£ Resistance value ヴ 1Ω
2.Lever push (Close)
¤ Resistance value Ą ∞
Unplug UNIT /
Test Outlet thermostat
£ Open at 185 ± 41ȕ
(85 ± 5Ȕ) Ą ∞
¤ Close - Not recovery < 5Ω
Unplug UNIT / Check Motor
Are motor readings normal?
£ Main-Common
= 4.35Ω±5%(at 75ȕ)
¤ Sub-Common
= 3.37Ω±5%(at 75ȕ)
Is belt not connected well on the
pulley?
Is the black dust on the shaft and
under the shaft?
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Start/Pause Button
Blinking
Not tumbling
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LG DLGX3571 series Specifications

General

Brand	LG
Model	DLGX3571 series
Category	Dryer
Language	English