Error code reference

Samsung Microwave Error Code E-42

Easy/PH Sensor Short Error

Easy/PH Sensor Short Error - sensor is shorted.

First step from the service manual

Check if sensor terminals are shorted.

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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E-42 on my Samsung Microwave

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Easy/PH Sensor Short Error - sensor is shorted

From Service Manual 934361, p.13:

1.Check if sensor terminals are shorted.

2.Measure control board supply voltage at the test points. Expected: 12 VDC and 5 VDC; a drop below 4.75 VDC on the logic rail points to a failed onboard regulator.

3.Inspect all connectors on the main control for corrosion, thermal stress, or backed-out pins. Reseat each connector with the power disconnected.

Part DA92-00384N

Main PCB assembly

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First step from the service manual

Get the full diagnostic procedure for E-42.

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