Error code reference

Samsung Microwave Error Code E-23

If the PREHEAT does not reach the preset temperature within 30 minutes, it causes error and converts to…

If the PREHEAT does not reach the preset temperature within 30 minutes, it causes error and converts to cancel mode.

First step from the service manual

Check ASSY CASING (see page 21).

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-23 on my Samsung Microwave

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If the PREHEAT does not reach the preset

From Service Manual 934422, p.34:

1.Check ASSY CASING (see page 21).

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-23.

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