[tech] Coke machine lights, empty detection, fans

[Harry]

Nick Bannon wrote:
[...]
>> Neons are typically 70V but very maybe they have been replaced and are a lower
>> voltage part and/or the limiting resistor is a bit low ?
> 
> The ones that have been replaced seem more likely to burn out again,
> though I have tried increasing the resistor. Then again, they may just be
> the slots like slot 0 that spend the most time empty and thus illuminated.
> 
>> Did they used to fail prior to installing the empty detector cct ?
> 
> Rarely... It might be that the replacements are not up to scratch with
> the originals.

I'm also wondering if the big capacitor in the interface is somehow affecting
what the neon sees voltage-wise. Random speculation.

Harry