Component Testing Chart - Rtd Chart - Viking VGSO166 Service Manual

Service Diagnostics and Procedures
Component Testing
Component Volts
Thermostat Timer 120
RTD 5 VDC
Selector Switch 120
Selector Switch 0
Selector Switch 120
Selector Switch 0
Selector Switch 120
Selector Switch 0
Bake Igniter – RH 120
Bake Igniter – LH 120
Broil Igniter 120
Dual Bake Valve 3.2 – 3.6
Broil Valve 3.2 – 3.6
Convection Motor 120
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)
50
75
100
200
300
350
400
450
500
550
© 2009 Viking Preferred Service
Ohms
0
1100 Ω @ 75˚
Infinite
0
Infinite
0
Infinite
0
135
91
106
1.2
1.2
29.8
Resistance (approximate)
1038
1090
1143
1350
1553
1654
1754
1852
1950
2047
Amps Test Location
N/A AT1 (BK) to AT2 (WH) @
thermostat timer
N/A AT5 to AT6 @ thermostat
timer
N/A BA to 2 @ selector switch
with bake not selected
N/A BA to 2 @ selector switch
with bake selected
N/A BR to 1 @ selector switch
with broil not selected
N/A BR to 1 @ selector switch
with broil selected
N/A CV to 3 @ selector switch
with convection not selected
N/A CV to 3 @ selector switch
with convection selected
N/A Bake igniter RH
N/A Bake igniter LH
N/A Broil igniter
3.2 Bake valve
3.2 Bake valve
N/A Convection motor
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