LG DLEX3370W Service Manual

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Before measuring resistance, be sure to turn power off, and do voltage discharge.
(When discharging, contact the metal plug of power cord with earth line.)
Drum will not rotate; no fan will function; no heater will work.
Turn the dryer’s power off, then measure resistance.
Is resistance below 3˟ between connector
BL2- (White wire) and WH4-
(Brown wire)?
Measure while door is closed.
•Replace control.
(Relay check)
•Check controller
connector.
•Check if door frame
presses door switch
knob.
•Check door switch.
•Check harness
connection.
•Replace control.
(Relay check)
•Check controller
connector.
•Replace outlet
•Thermostat.
(Refer to
‘component’)
•Check Idler assembly.
• Drum belt cuts off
•Drum belt takes off
from Motor pulley.
•Replace Idler
switch.
Is resistance below 3˟ between connector
BL2-
(White wire) and WH4- (Yellow wire)?
Measure while door is closed.
Is resistance below 3˟ between connector
WH4-
(Yellow wire) and WH4-
(Brown wire)?
Is resistance below 1˟ between terminals
of outlet thermostat attached to blower housing?
Does idle switch attached to motor bracket
operate level by drum belt?
(Not operating Lever is normal.)
Is resistance below 1˟ between Idler switch
terminals?
• Check motor. (Refer to ‘motor diagram & check’)
• Check if control connector is contacted.
Test 3
Motor Test
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
Caution
Trouble Symptom
Measurement Condition

LG DLEX3370W Specifications

General

Type	Electric Dryer
Capacity	7.4 cu. ft.
Color	White
Energy Star	Yes
Steam Technology	Yes
Sensor Dry	Yes
Warranty	1 Year Parts and Labor
Brand	LG
Model	DLEX3370W
Wrinkle Care Option	Yes
Door Reversal	Yes
Control Type	Electronic
Display Type	LED