Electronics > Repair

LIDL bug zapper not working

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wasedadoc:
Your schematic shows the light and zapper to be independent circuits. No reason why a tube problem would affect the zapper. Not much to be faulty in the zapper. Measure the voltage from the single rectifier side and from the voltage doubler.

Koray:
If you bought it for mosquitoes, sadly it doesn't work. Mosquitoes are not attracted to uv light. This thing mostly exterminates little flies and moths.
K.

Calambres:

--- Quote from: Koray on August 10, 2024, 09:30:24 am ---If you bought it for mosquitoes, sadly it doesn't work. Mosquitoes are not attracted to uv light. This thing mostly exterminates little flies and moths.
K.

--- End quote ---
I was just about to say that...

soldar:

--- Quote from: wasedadoc on August 10, 2024, 09:26:11 am --- Your schematic shows the light and zapper to be independent circuits. No reason why a tube problem would affect the zapper. Not much to be faulty in the zapper. Measure the voltage from the single rectifier side and from the voltage doubler.
--- End quote ---

Yes, light and zapper are totally separate. I have experimented some more and touching the zapper wires with a wet leaf does produce very tiny sparks. I was hoping for a satisfying ZAP! but I guess the tiny spark might be enough to zap the insect.

I guess if I want to increase the zapping power I could increase the value of the capacitors and reduce the value of the series resistor.

In fact, I bought this one to replace an older unit which I assumed was bad but it might be the same thing, that the zapping power is just too small but still there. I still have it and I will have to test it again.  The light in that one works fine. Maybe I did not need a new zapper after all.

So the issue remains with the light not working and I am still not clear on where the problem lies. The individual components seems to be OK but they do not work together. In the worst of cases I can just add the magnetic ballast because the light works fine with that one.

I should have left this long ago but, as usually happens, once I get started I can't let go.

I have redone the schematic in order to make it clearer.

soldar:

--- Quote from: Calambres on August 10, 2024, 11:50:02 am ---
--- Quote from: Koray on August 10, 2024, 09:30:24 am ---If you bought it for mosquitoes, sadly it doesn't work. Mosquitoes are not attracted to uv light. This thing mostly exterminates little flies and moths.
K.

--- End quote ---
I was just about to say that...

--- End quote ---

No problemo. The mosquitoes where I live self-identify as houseflies. ;)

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