15
Component
Test Procedure
Check result
Remark
7. Heater
Measure resistance of the
following terminal
Terminal : 1 (COM) - 2
Terminal : 1 (COM) - 3
Terminal : 2 - 3
Resistance value : 10
Ω
Resistance value : 10
Ω
Resistance value : 20
Ω
• Electric type
8. Thermistor
Measure resistance of terminal
to terminal
Temperature condition :
58°F ~ (10~40°C)
58°F ~ 104F (10~40°C)
Resistance value : 10
Ω
• Heater case -
Hi limit
• Electric type
9. Motor
• See Page 13
10. Gas valve
valve 1
valve 2
Measure resistance of the
following terminal
Valve 1 terminal
Valve 2 terminal
Resistance value : > 1.5kg ~
Resistance value :
> 1.5~2.5kg
• Gas type
11. Igniter
Measure resistance of terminal
to terminal
Resistance value : 100~800
Ω
• Gas type
12. Frame Detect
Measure resistance of terminal
to terminal
Open at 370°F ((Maximum)
Close at 320°F
Resistance value
≒
∞
Resistance value < 1
Ω
• Gas type