Sauer Danfoss MC300 AT361623 Controller

The Sauer Danfoss MC300 AT361623 is a hardened multi‑loop controller designed for mobile off‑highway hydraulic and electro‑hydraulic systems, often networked via CAN. Common failure points on this class of controllers include degraded power supply rails (especially under high current demand), failed I/O pins or connectors, and internal microcontroller lock‑ups due to firmware corruption or overheating. For initial troubleshooting, verify the 24 V/48 V DC input voltage and monitor for ripple; inspect all connector pins for corrosion or loose contacts; and read any stored error codes from the diagnostic interface (e.g., CAN bus logs) before proceeding to component replacement.[oss-gpt-20b]

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We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

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