Error code reference

Samsung Refrigerator Error Code Lc-Er

LOAD-Main MICOM communication error

LOAD-Main MICOM communication error - no answer for 20 seconds after main MICOM received communication requirement from load MICOM; also displayed when Option is not equivalent with the right value.

First step from the service manual

Recheck condition with oscilloscope after replacing Main and Panel PCB.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
  • Verified part numbers when replacement is required
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