The Huntron Tracker 2000 is a benchtop circuit‑board test and troubleshooting instrument that provides pulse generation, AC/DC output, impedance measurement, and signature analysis for components such as CMOS, MOSFETs, SCRs, and optocouplers. Common failure modes in this class of equipment include degraded internal power supply rails (leading to incorrect voltage outputs), worn or damaged output relays/contacts causing intermittent test signals, and firmware corruption that can disable diagnostic functions. First‑check diagnostics: verify the unit’s main 12 V/24 V supply with a multimeter, inspect all external connectors for corrosion or loose pins, and review any displayed error codes or abnormal output readings before proceeding to component‑level testing.[oss-gpt-20b]