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
Resistance value: 10
Resistance value: 20
¥ 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
¥ 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: > 2.3k
Resistance value: > 2.3~2.7k
¥ Gas type
11. Igniter
Measure resistance of terminal
to terminal
Resistance value: 100~800
¥ 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
¥ Gas type
1
2
1
2
1
2
1
2
3
1
2
3
1
2
