The 134430‑B2 is a Phoenix International motor‑control PCB used in forklift and industrial drive systems. Common failure points on this class of boards include burnt or cracked power MOSFETs, degraded gate drivers, and damaged decoupling capacitors that can cause erratic start‑up or loss of control signals. Begin troubleshooting by verifying the input voltage rail (24 VDC) with a multimeter, inspecting for visible burn marks or corrosion on the power section, and checking continuity of the MOSFETs’ source/drain pins; if those pass, review any diagnostic LEDs or fault codes displayed by the host controller.[oss-gpt-20b] |
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145 Rockwell Place Ct
Tobaccoville, NC 27050
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Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
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