Sargent Stinger 350 Alarm.

Apr 15, 2025
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Hi all,

Bit of a newbie here, and relatively new the caravaning, only three years in.

Brought a new swift 635 last year with a Sargent stinger 350 alarm fitted. Noticed the back-light display is permanently illuminated and that neither of the menu or select buttons work. Has nothing but black squares across the top of the display and the second row is empty.
Has anyone experienced anything like this with a 350 at all? Not a lot on line about them, and advice or insights would be gratefully received. Many thanks for your time and reading my post, Stuart
 

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