Selvtest

Selvtest is a term used in Scandinavian languages to describe a process in which a device, system, or person assesses its own status or condition without external assistance. It is commonly applied across contexts such as electronics, software, automotive diagnostics, and health-related testing, where autonomous evaluation is desirable for quick status checks or fault isolation.

In hardware and electronics, self-testing is often implemented as built-in self-test (BIST) or during a power-on self-test (POST). These routines verify core components such as memory, processors, and interfaces on startup. Results are typically indicated via LEDs, displayed codes, or stored in logs for later analysis, helping to detect manufacturing defects or emergent faults.

In software and information technology, self-test features may include health checks, self-diagnostics, or automated unit tests that run at runtime or during maintenance windows. Such tests aim to identify issues within services, dependencies, or configurations, enabling proactive remediation and reduced downtime.

In consumer health and home diagnostics, selvtest refers to at-home testing kits and devices that allow individuals to perform preliminary tests without visiting a clinic. Regulatory oversight, proper usage instructions, and cautious interpretation of results are important, as confirmatory tests or professional consultation may be required for accurate decisions.

Limitations of self-testing include the possibility of missed faults, false positives or negatives, and reliance on correct calibration and usage. Self-tests are typically part of a broader diagnostic strategy that may involve professional verification and periodic updates.

See also: POST, built-in self-test (BIST), health check, at-home testing.