LG DLEX 3570 Series Service Manual page 15

Component
7. Heater
8. Thermistor
9. Motor
10. Gas valve
valve 1
valve 2
11. Igniter
12. Flame Detect
Test Procedure
Measure resistance of the
following terminal
Terminal: 1 (COM) - 2
Terminal: 1 (COM) - 3
Terminal: 2 - 3
Measure resistance of terminal
to terminal
Temperature condition:
58°F ~ 104F (10~40°C)
Measure resistance of the
following terminal
Valve 1 terminal
Valve 2 terminal
Measure resistance of terminal
to terminal
Measure resistance of terminal
to terminal
Open at 370°F ((Maximum)
Close at 320°F
Check result
Resistance value: 10
Resistance value: 10
Resistance value: 20
Resistance value: 10
Resistance value: > 1.5~2.5 k
Resistance value: 50~800
Resistance value
Resistance value < 1
15
Remark
• Electric type
Ω
Ω
Ω
Ω
• Heater case -
Hi limit
• Electric type
• See Page 17
Ω
• Gas type
Ω
• Gas type
• Gas type
∞
Ω