Samsung DV7450M - 26 _ Troubleshooting

26 _ Troubleshooting
Part Name Image Description
Belt Cut-off S/W
125V, 16A
Belt Cut-Off Switch
• Belt Cut-off S/W
- Lever open: Resistance value < 1Ω
- Lever push: Resistance value: ∞ Ω
Lamp
Lamp DC 3V, 45mA, 700Lux
• Thermostat 3 resistance < 1Ω
- If resistance is innite, replace thermostat 3.
• Thermostat 2 resistance < 1Ω
- If resistance is innite, replace thermostat 2.
• [DUAL] Heater resistance 13Ω (PIN 2-3) Heater.
• resistance 34Ω (PIN 1-2)
- If resistance is innite, replace heater.
• [SINGLE] Heater resistance 10Ω (PIN 1-3)
- If resistance is innite, replace heater.
• Measure resistance on the following terminal.
Centrifugal
Switch (Motor)
Switch shown in start position
• 2.88Ω between Pin #3 and 4
• 3.5Ω between Pin #4 and 5
Contacts
Function 1M 2M 3M 4M 5M 6M
Start
Run
= Contact closed
Thermistor
• 238.23 kΩ at 25°C (77°F)
Radiant sensor
(10RS) Gas
120V
• Resistance value < 1Ω
• If resistance is innite, replace radiant sensor.
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