Before re-installing my UV filter this year (for Savio skimmer), I decided to check that it was working OK. After putting on UV protective glasses, I plugged the unit in and looked at the bulb, and saw nothing. After disconnecting the bulb, I tried to check that power was reaching it, using a multimeter. There are 4 terminals that connect the bulb to power supply (Emperor, see pic), but I could only check 2 at a time - so probably not reliable (0.2 V AC only). I thought that the transformer would be a reliable part of the setup. Anyone have any experience with what it likely to fail with this system?
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