Published 2026-03-10 · Error & Fault Codes
A True refrigerator or wine cabinet drifting off its set point usually traces to the temperature sensor or the control calibration rather than the compressor. A sensor sending a slightly wrong reading makes the control hold the wrong temperature. We measure the sensor and verify the control before adjusting anything.
What We Check
Reading the sign is the start; testing confirms the part. Here is how we work this fault on True Residential:
| Symptom | Likely Cause | What We Check |
|---|---|---|
| Temperature drift | A sensor or control-calibration issue | Measure the sensor and verify the control |
| Door alarm | A seal or hinge-alignment issue | Inspect the gasket, hinge, and closure |
How We Fix It
- Ice buildup from a defrost fault
- Condenser fan noise or a constantly running compressor
Other True Residential signs we read on True Residential include Section warm and Ice buildup. See the full list and model lines on our True Residential repair page.
Why It Matters
When a True Residential runs warm the safest move is to book service and keep the door closed in the meantime. A section that keeps drifting rarely fixes itself, and an early diagnosis usually means a smaller repair.
What to Have Ready When You Book
It helps to have the model number and any fault code or indicator light noted before we arrive. That lets the Parts needs and availability are confirmed after model-specific diagnosis.
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