36 _ Troubleshooting
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Centrifugal Switch (Motor)
■
Thermistor
238.23
Ω @
25°C 77
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GAS MODEL
Radiant Sensor(10RS)
• Resistance value < 1 Ω
• If resistance is infinite, replace Radiant sensor
120V
Igniter(101D)
• Resistance value 40~400 Ω
• If resistance is infinite, replace Igniter
120V 4.5A
Gas Valve(25M01A)
• Valve 1-2 : Resistance value 1.2K Ω
• Valve 1-3 : Resistance value 0.5K Ω
• Valve 4-5 : Resistance value 1.2K Ω
• If resistance is infinity, replace Valve
120V 60 Hz, 120A
Thermostat (60T21 Hi-Limit)230f-50f
• Resistance value < 1 Ω
• If resistance is infinity, replace Thermostat
120V 20A (60T2)
2.88Ω between
Pin# 3 and 4
3.5Ω between
Pin# 4 and 5