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Collection of teardowns and repair documentation for smart home hubs and communication devices.

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samsung SHP-DP728 doesn’t lighten up the number pad

My samsung SHP-DP728 doesn’t lighten up the number pad so I cannot change the password either add fingerprints. I’ve tried pressing the REG button but it still not show the number pad. Is there any thing I can do by myself before calling Samsung supporters? Thanks

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Hi,

Try replacing the 8 x AA Alkaline batteries or using a 9V emergency battery as shown on p.11 of the user manual and check if that resolves the problem.

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