Residual Moisture Sensor Circuit Test (T1515, T1520, T1526, T1565C & T1570C) - Miele T1515 Technical Information

T1500 Series Clothes Dryers
6.5 Residual Moisture Sensor Circuit Test
T1515, T1520, T1526, T1565C and T1570C
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 "15 Minutes Cool Air" In the service mode and wait for approximately
60 seconds.
The "Cooling down" LED Illuminates
The "Cooling down" and "Drying" LEDs
flash alternately
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 "15 minutes cool air" In the service mode and wait for approximately 60
seconds.
The "Cooling down" LED Illuminates
The "Cooling down" and "Drying" LEDs
flash alternately
Circuit Is In proper working order
(Resistance of connection between
controls and sensors Is too high or
open circuited).
Check circuit outside of the Control
Electronic. (e.g.~ slip rings, wiring, lifter
bars, sensor contacts etc).
Replace the Control Electronic.
Proceed to step 6.
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Technical Information