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Error code reference
GE Microwave Error Code Lower Thermal Sensor SHORTED
The lower thermal sensor circuit is detected as shorted, indicating a failed lower thermistor.
SourceGE Appliances Advantium 240V - Service Manual (PSA2200R, PSA2201R, ZSA2201R)p. 68
Diagnostic procedure
The full Lower Thermal Sensor SHORTED procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check lower thermistor (red and white wires) resistance at Smart Board CN09; should be 256K ohm at room temperature.
SourceGE Appliances Advantium 240V - Service Manual (PSA2200R, PSA2201R, ZSA2201R)p. 68
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
8 manuals in the MyPros+ library document this code for GE microwave.
Models covered by the manuals that document this code
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