UV-C light not working

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Westie
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UV-C light not working

Hi!
I got a pond filter with UV-C today and thankfully I checked it before setting it up.
The bulb doesn’t work. It’s a Philips PL-S 12W UV-C bulb. The wires inside look ok. I get 20V AC on the housing.

Any ideas what might be wrong?

sp5it
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According to datasheet lamp need 89V.

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Westie
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sp5it wrote:
According to datasheet lamp need 89V.

Man, do I feel dumb. I checked everything. I even took the multimeter out to check for continuity to see if the bulb was bad. No continuity.
Checked for power and it had power.

I had an idea to ask here. You were very fast, thanks.

I decided to put it together and check it last time before I figure how to send it back.

There was no safety lockout on the housing. i checked for that but when I put it together it worked.

I even read from many people on Amazon that their bulb didn’t work.

I switched it on vertically and it should work horizontally. Maybe it has a sensor or something.