Upper Oven Electrical Components; Upper Heater And Oven Cavity Tco's; Lower Heater Assembly - GE JK3800DH1BB Technical Service Manual

Upper Heater and Oven Cavity TCO's

event of excessive temperatures. When replacing,
be sure to determine the cause of failure. If a TCO
opens, it will disable all oven functions except the
oven light. The outer cover must be removed to
access the TCO's. (See the Removing Upper Oven
section in this guide.)
• The upper heater TCO is mounted on the heat
shield above the upper heater assembly.
• The oven cavity TCO is mounted to the exhaust
duct on the left side of the oven.
• Both TCO's are held in place by a single Phillips
head screw.
• Both TCO's open at 293°F and cannot be reset.
Upper Heater TCO
Oven Cavity TCO

Upper Oven Electrical Components

Lower Heater Assembly

The lower ceramic heater has an approximate
Lower Heater Assembly Removal
1. Remove the upper oven. (See the Removing
Upper Oven section in this guide.)
2. Remove the two Phillips head screws from the
bottom of each side of the outer cover.
3. Remove the six Phillips head screws that attach
the bottom to the oven.
4. Disconnect the bottom heater and turntable
wire harnesses.
5. Straighten the four folded tabs and remove the
three Phillips head screws that hold the heater
assembly to the oven chassis.
Bottom View with Baseplate Removed
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