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: > 1.5 k
Ω
Resistance value: > 1.5~2.5 k
Ω
•
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
