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2026-01-29 12:08:06 Common Faults and Troubleshooting of Wide-temperature SD Cards
Long-term operation in extreme environments exposes wide-temperature SD cards to temperature fluctuations, vibration, power fluctuations and dust, leading to faults. Mastering troubleshooting methods reduces downtime and losses. Common faults include temperature-related issues, poor contact, data errors and hardware damage, resolved via a "simple-to-complex, external-to-internal" approach.
Temperature-related faults (failure to start at low temps, lag at high temps) stem from exceeding operating ranges. Check environment temperature with sensors. Warm equipment or use military-grade cards for low temps; clean cooling systems or add heat sinks for high temps. Poor contact (intermittent recognition, interruptions) occurs in vibrating scenarios with plug-in interfaces.
Power off, clean SD card interfaces with alcohol, and reinsert. Replace with chip-on-board packaging for vibration. Test in other devices to identify card or slot issues. Data errors (unreadable files, loss) result from extreme temps or outages. Use recovery tools like DiskGenius and check ECC function; upgrade firmware or replace cards if errors persist. Monitor health to replace worn cards timely.
Hardware damage (complete failure, severe errors) arises from long-term extreme conditions, requiring card replacement. Review usage environment to optimize protection (insulation, heat dissipation, shock absorption). Backup data regularly and perform preventive maintenance to extend service life, ensuring stable industrial operation.
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