Error code reference
GE Microwave Error Code COOL
Displayed when the internal food temperature is below 90°F; the display will track food temperature once it…
Displayed when the internal food temperature is below 90°F; the display will track food temperature once it reaches 90°F.
First step from the service manual
Wait for food temperature to rise above 90°F; no action required.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
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