Depends on whether its a strain gauge type or a normal mechanical scale with
mechanical linkages to a rotating pot of some kind. I've seen both fail. the
rotating pot gets noisy and intermittent due to wear and muck, and the
strain gauges can have bonding issues with the part that flexes. You say
its LED, normally they are LCD as they need to emit no light at all and the
battery lasts longer.
I have a talking set myself but I could imagine in a multi person house
this could be embarrassing!
Brian

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"Bert Coules" wrote in message
...
Not really a DIY question (unless it turns out that there is in fact a DIY
fix), so apologies.

I have a bathroom scale with an LED display (branded Weight Watchers but I
don't know the actual maker) which is a good few years old now. It's
always been completely reliable but over the last couple of days the
display has refused to stabilise: it flicks up and down over a range of
about half a stone, never stopping on any one reading.

I'm assuming that it's an electronics problem rather than a mechanical
one, but am I correct?

Many thanks.