Thermistor - GE Advantium PSA2200R Technical Service Manual

To remove the Humidity Sensor:
1. Remove the Outer Cover. (See
2. Remove the Air Tunnel Cover.
(See .)
Air Tunnel Cover
3. Remove the 2 Phillips-head screws that hold the
sensor in place.

Thermistor

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Outer Cover
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Humidity Sensor
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To remove the Thermistor:
1. Remove the Outer Cover. (See
2. Remove the Phillips-head screw holding
– 42 –
Location (See
Right Side View
The upper thermistor (blue and white wires)
is used for thermal compensation and more
control in a higher temperature range (above
300°F) for Speed Cook, Broil, Toast, and
Convection.
To test the upper thermistor, disconnect Smart
Board CN09. Check resistance between the
blue and white wires. Resistance at room
temperature is 100K ohm.
The lower thermistor (red and white wires) is
used for more control in a lower temperature
range (below 300°F) and is used for Proof and
Warm.
To test the lower thermistor, disconnect
Smart Board CN9. Check resistance between
the red and white wires. Resistance at room
temperature is 256K ohm.
Thermistor is place.
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Outer Cover