Samsung DV50F9A7EV Technical Information page 10

TROUBLE SHOOTING
To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before
servicing, unless testing requires power.
CN1
1. AC Power Port
2. Door Detection Sensor
3. Motor Switch Sensor
Sensor Bars & temperature sensor check
CN4 Approx 238.23 KΩ at 25 °C/77 °F
WARNING
RY7
Heater Relay Switch
Sensor Bars - Disconnect harness and test Pink wire
Pin 4 to Orange wire Pin 5.
Approx ∞ Ω without laundry
Approx 190Ω ± 10% with wet clothes
Cycling Thermistor 1 - Disconnect harness and test
Blue wire Pin 3 to Red wire Pin 6.
Approx 10 KΩ at 25 °C/77 °F
Cycling Thermistor 2 - Disconnect harness and test
Yellow wire Pin 2 to White wire Pin 7.
10
RY5
Motor Relay Switch Steam Relay Switch
RY2 RY3 CN5