
®
© 2009 Viking Preferred Service
19
Component Testing
Component
Volts
Ohms
Amps
Test Location
Thermostat Timer
120
0
N/A
AT1 (BK) to AT2 (WH) @
thermostat timer
RTD
5 VDC
1100
Ω
@ 75˚
N/A
AT5 to AT6 @ thermostat
timer
Selector Switch
120
Infinite
N/A
BA to 2 @ selector switch
with bake not selected
Selector Switch
0
0
N/A
BA to 2 @ selector switch
with bake selected
Selector Switch
120
Infinite
N/A
BR to 1 @ selector switch
with broil not selected
Selector Switch
0
0
N/A
BR to 1 @ selector switch
with broil selected
Selector Switch
120
Infinite
N/A
CV to 3 @ selector switch
with convection not selected
Selector Switch
0
0
N/A
CV to 3 @ selector switch
with convection selected
Bake Igniter – RH
120
135
N/A
Bake igniter RH
Bake Igniter – LH
120
91
N/A
Bake igniter LH
Broil Igniter
120
106
N/A
Broil igniter
Dual Bake Valve
3.2 – 3.6
1.2
3.2
Bake valve
Broil Valve
3.2 – 3.6
1.2
3.2
Bake valve
Convection Motor
120
29.8
N/A
Convection motor
The chart shown here is a Temp-to-Resistance Chart for RTD.
The oven sensor is also know as a P.T.C. (Positive Temperature Control) device which means that as the
temperature rises, the resistance increases.
RTD (Resistive Thermal Service)
Temperature (˚F)
Resistance (approximate)
50
1038
75
1090
100
1143
200
1350
300
1553
350
1654
400
1754
450
1852
500
1950
550
2047
Service Diagnostics and Procedures