Thermal Cutout(Tco's); Oven Thermal Cutout (Flame Sensor) - Samsung SMH7175WC Service Manual

5-9 THERMAL CUTOUT(TCO'S)

There are 4 different thermal cutouts in this unit with 4 different purposes. They are :
1. Oven thermal cutout (flame sensor), on cavity top.
2. Hood thermal cutout, inside control area on duct.
3. Bottom thermal cutout, on floor of control area.
4. Magnetron thermal cutout, on magnetron.

5-9-1 Oven Thermal Cutout (Flame sensor)

The oven thermal cutout(Cavity TCO) is located
on the top side of the oven cavity beside exhaust
duct with a temperature rating of 248°F(120°C)
and is non-resetable.
The cutout is tightly held to the top of the oven
cavity by duct-upper.
5-9-2 Replacement of Flame Sensor
Disconnect oven power. Remove Grille & Panel-outer.
1. Remove screws(3) securing the duct upper.
SCREW
2. Loft up the duct upper from the cavity.
3. Disconnect two wire leads.
4. Press the top of the thermal cutout and pull out it in
the duct upper.
Press the Flame Sensor
OVEN THERMAL CUTOUT
T.C.O
SCREW
SCREW
After press
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STIRRER MOTOR