Error code reference

Samsung Microwave Error Code C-d0

Key Short information code

Key Short information code — if KEY input is successive for more than 10 seconds, displays C-d0 and converts to cancel mode.

First step from the service manual

Turn off set and restart.

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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C-d0 on my Samsung Microwave

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Key Short information code — if KEY input is

From Service Manual 992457, p.29:

1.Turn off set and restart.

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 C-d0.

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