Conflicting-measurement case · GE Monogram

The Board Received a Cold-Sensor Reading but Displayed a Warm Cabinet

A new control did not resolve the 30°F-versus-60°F split. The remaining question was whether the sensor signal became unstable between checks or the control path still misinterpreted it.

Case snapshot

What the source establishes

  • The 48-inch built-in fresh-food section measured about 28-30°F from top to bottom while the panel showed roughly 50-67°F.
  • The freezer operated normally.
  • Sensor resistance measured from the board matched the actual cold temperature during the visit.
  • The damper and fan operated, and the uniform cabinet temperature argued against a local airflow split.
  • A replacement control board did not change the complaint.

A similar symptom can have a different cause on another appliance or model.

Diagnostic process

How the evidence narrowed the diagnosis

Cabinet

The fresh-food section was uniformly freezing

Readings of about 28-30°F from top to bottom made a localized damper pattern less convincing.

Sensor snapshot

Resistance matched the actual temperature

The measurement was coherent during the visit even though the displayed value was not.

Failed attempt

A replacement control changed nothing

The recall preserved sensors and their stability as unresolved parts of the same signal path.

What the evidence supports

What the evidence supports

The source supports a temperature-signal interpretation fault involving the sensors, wiring or control path, but it does not close which component failed. The suggestion to replace sensors with the board was a risk-reduction strategy, not a documented outcome.

What to do next

What should be verified next

Log actual cabinet temperature and the corresponding sensor resistance over time, including when the display becomes incorrect. A technician can then compare the signal at the sensor and board before another paired replacement.

Electrical safety: resistance readings require power removed, while live signal checks involve hazardous voltage. Internal control diagnosis belongs to qualified service.