| Frequency | Task | Reason | |-----------|------|--------| | | Visually inspect for dust, confirm probe is clean. | Prevents drift caused by debris. | | Weekly | Check Wi‑Fi signal strength via app → “Signal > -70 dBm”. | Ensures reliable remote monitoring. | | Monthly | Verify calibration using a reference standard (±0.2 °C). | Keeps measurement accuracy within spec. | | Quarterly | Clean ventilation grills with a soft brush; vacuum surrounding area. | Maintains proper heat exchange, avoids overheating. | | Annually | Firmware update + full system self‑test (Menu → Diagnostics). | Adds features, fixes bugs, validates hardware health. | | Every 2 years | Replace the temperature probe (if wear is evident). | Sensor heads can drift or degrade over time. |
To narrow it down, could you clarify: