Samsung DV220AEW - Component testing procedures

34 _ Troubleshooting
4-5. COMPONENT TESTING PROCEDURES
WARNING
Toavoidriskofelectricalshock,personalinjuryordeath;disconnectpowertodryerbeforeservicing,unlesstesting
requirespower.
 Component electrical testing (with ohmmeter)
• Thermistorresistance10KΩ@25°C77°F(2P-Blue&Redwire)
• Thermostat1resistance<1Ω(White&Yellowwire)
Thermostat1
Thermistor
85°C,25Athermalcut-off
• Thermostat3resistance<1Ω(Red&Blackwire)
- Ifresistanceisinnity,replacethermostat3.
• Thermostat2resistance<1Ω(Blue&Blackwire)
- Ifresistanceisinnity,replacethermostat2.
• Heaterresistance10Ω(Blue&Bluewire)
- Ifresistanceisinnity,replaceHeater.
Thermostat3
160°C,25A
thermalcut-off
Thermostat2 Heater
127/99°C,25A
Hi-limit
240V/5300W
• Measureresistanceofthefollowingterminal
1. Doorswitchknob:open
Terminal:“COM”-“NC”(1-3):∞Ω
Terminal:“COM”-“NO”(1-2)<1Ω
2. Doorswitchpush:On
Terminal:“COM”-“NC”(1-3):∞Ω
Terminal:“COM”-“NO”(1-2)<1Ω
Door S/W
125V/10A
• BeltCut-offS/W
- Leveropen:Resistancevalue<1Ω
- Leverpush:Resistancevalue∞Ω
Beltcut-offS/W
125V,15A
• Lampresistance80~100Ω(Violet&gray)
120V/15W(E12)
Lamp
• Motor(Electronic&GAS)
Contacts ( :Contactclosed)
Function 1M 2M 3M 5M 6M
Start
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