Technical Information
47
T1500 Series Clothes Dryers
6.6 Residual Moisture Sensor Circuit Test
T1576
Purpose
This serves as a test of the complete moisture sensing circuit between the
control module and the moisture sensor.
Procedure
1. Electrically connect one lifter bar and the drum body using clip leads or a wire
to simulate wet laundry and high conductivity.
2. Select “Rotary Iron” In the service mode. Press Start and wait for
approximately 30 seconds.
The “Cooling down” LED Illuminates Circuit Is In proper working order
The “Cooling down” and “Drying” LEDs
flash alternately
(Resistance of connection between
controls and sensors Is too high or
open circuited).
3. Disconnect the wires to the drum and lifter bar at the pickup connection plug.
4. Jump the wires leading to the electronic unit (short circuiting the moisture
sensing circuit).
5. Select “Fluff” position in the service mode, pres Start. Wait approximately 30
seconds.
The “Cooling down” LED Illuminates Check circuit outside of the Control
Electronic. (e.g.~ slip rings, wiring, lifter
bars, sensor contacts etc).
The “Cooling down” and “Drying” LEDs
flash alternately
Replace the Control Electronic.
Proceed to step 6.
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