This freezer is drifting from normal.
The product is protected now, but the freezer is working harder and taking longer to recover. PlasmaAudit turns that developing pattern into a clear warning while maintenance can still be planned.
Both product probes agree and remain inside the configured safe range.
The freezer needs more runtime to hold the same product conditions.
The current trend creates time to investigate before projected risk.
Check refrigeration performance during scheduled maintenance.
That gap is the early warning: the freezer is using more effort and taking longer to produce the same safe result.
- Compressor runtime
- 48% → 72%
- Recovery time
- 25 → 42 min
- Sensor architecture
- 2 product + 2 refrigeration
Scroll the chart for the full scale. Exact values are listed below.
Scroll the chart for the full scale. Exact values are listed below.
| Day | Runtime | Product primary °C | Product redundant °C | Return air primary °C | Return air redundant °C |
|---|---|---|---|---|---|
| Sample 1 | 48% | -31.8 | -31.6 | -37.8 | -37.7 |
| Sample 2 | 50% | -31.7 | -31.6 | -37.7 | -37.7 |
| Sample 3 | 52% | -31.7 | -31.5 | -37.8 | -37.6 |
| Sample 4 | 55% | -31.6 | -31.5 | -37.7 | -37.6 |
| Sample 5 | 58% | -31.6 | -31.4 | -37.6 | -37.5 |
| Sample 6 | 62% | -31.5 | -31.4 | -37.6 | -37.2 |
| Sample 7 | 67% | -31.6 | -31.4 | -37.5 | -36.9 |
| Today | 72% | -31.6 | -31.4 | -37.5 | -36.5 |
- Product primary / redundant
- -31.6 °C / -31.4 °C
- Return air primary / redundant
- -37.5 °C / -36.5 °C
Sensor-agreement check: All four sensors share one view: two product-temperature sensors and two refrigeration sensors. Three stay aligned; only one dotted redundant sensor separates, creating one alert. Sensor disagreement calls for checking the probe and its installation; it does not by itself diagnose a refrigeration fault. The separate runtime and recovery example supports a performance inspection. A technician must reconcile both checks.
- Historical normal48% runtimeExpected operating pattern
- Change detectedRecovery slowingPattern begins moving from normal
- Today72% runtimeProduct remains protected
- If ignoredRisk in ~12 daysProjected from the developing trend
Show me the data behind this assessmentTechnical evidence
Tracking together inside the configured safe range
The freezer is working harder to maintain conditions
Recovery is taking longer than this freezer's baseline
The pressure, temperature, and superheat relationship has shifted
Recent events do not explain the sustained change
The pattern is persistent rather than a one-time reading
What the pattern means: Product temperature alone still looks safe. The combined runtime, recovery, refrigerant, event, and historical data shows a persistent loss of performance that deserves attention now.