The Motion Science Inc. 1942968 Axis Bob Board is a high‑current drive interface board used in industrial servo and motion control systems to route axis signals and power to motor amplifiers. Common failure points for this class of boards include burnt or cracked ICs on the power regulation section, degraded MOSFET drivers, and damaged trace connections from the encoder/feedback inputs; overheating can also cause insulation breakdown on the high‑voltage output traces. For troubleshooting, first verify that the board receives its rated supply voltage and check for any visible signs of component damage or burn marks. Next, test the I/O connectors with a multimeter to confirm continuity and inspect the encoder signal lines for proper logic levels. Finally, review any error codes logged by the host controller for indications of overcurrent, short‑to‑ground, or communication faults.[oss-gpt-20b]