The Lincoln WP‑225 G7 is an idler/charger board for the Weldanpower welder that supplies idle motor control and battery charging circuitry. Known failure modes include loss of idle operation, complete loss of welder power, or failure to charge the battery; these symptoms typically point to damaged ICs, blown fuses, or broken traces on the board. Because the conformal‑coated version is not repairable, a functional replacement (L7607‑2) is usually required. First‑check diagnostics: verify 24 V input and output voltages at the board terminals, inspect for visible burn marks or cracked components, and confirm that all fuses and protection devices are intact before proceeding with component replacement or board swap.[oss-gpt-20b]