Error code reference

Samsung Heat Pump Error Code E113

Reverse phase or missing phase detected on 3-phase power.

First step from the service manual

Check the 3-phase power voltage at CN82 connector (red~white/white~black/red~black should be approximately 380V).

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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E113 on my Samsung Heat Pump

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Reverse phase or missing phase detected on

From Service Manual 326092, p.24:

1.Check the 3-phase power voltage at CN82 connector (red~white/white~black/red~black should be approximately 380V).

2.Measure line voltage at the power cord terminal block. Expected: 120 VAC (L1 to neutral) or 208 to 240 VAC between L1 and L2 under load.

3.Inspect the cord strain relief and terminal block screws for signs of arcing or heat discoloration. Loose connections here mimic an intermittent power failure to the control board.

Part DC96-01043A

Power cord assembly

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First step from the service manual

Get the full diagnostic procedure for E113.

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