Gepruft V‑E2/1 INCH Circuit Board is a precision measurement controller used in industrial metrology equipment such as micrometers and height gauges. Common failure points for this class of boards include burned or cracked surface-mount components (especially voltage regulators and op‑amps), solder joint fatigue on the power input traces, and degradation of protection diodes under repeated high-voltage spikes. Initial diagnostics should verify that the board receives its rated supply voltage and ripple specifications; inspect all I/O connectors for loose pins or corrosion; and check for visible component damage or discoloration before proceeding to functional testing with a multimeter and oscilloscope.[oss-gpt-20b]