37
Test 2 Motor Test
WARNING
¥ Before measuring resistance, be sure to turn power off, and do voltage discharge. (When discharging,
contact the metal plug of power cord with the earth line.)
¥ Failure to follow these instructions can result in death or electric shock.
Trouble Symptom
Measurement Condition
Drum does not turn, and heater does not operate.
Turn the dryer’s power off, then measure resistance.
NO
NO
YES
YES
NO
NO
YES
YES
YES
YES
NO
Is resistance over 3‰ between connector
CN4 - And CN5 - for Main PCB?
※ measure while door and lint filter is closed.
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 and Check)
¥ Check if control connector is contacted.
¥ Replace control.
(Relay check)
¥ Check controller
connector.
¥ 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.
¥ Check if door&Lint
frame presse
switch knob.
¥ Check door&lint
switch
¥ Check harness
connection.
YL3 BL2
1
1
Is resistance over 3‰ between connector
CN4 - And CN5 - for Main PCB?
※ measure while door and lint filter is closed.
Is resistance over 3‰ between connector
CN4 - And CN5 - for Main PCB?
measure while door and lint filter is closed.
1
1
Is resistance below 1‰ between terminals of
outlet thermostat attached to blower housing?
1
2
1
2
3
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