Error code reference

Samsung Heat Pump Error Code E401

COND OUT sensor breakaway detected during heating operation

COND OUT sensor breakaway detected during heating operation - sensor detached, defective, or corresponding path is blocked.

First step from the service manual

Check if COND OUT sensor and sensor holder are correctly attached; reinsert if not.

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
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