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Strange thing with the EOL Nepton 14W T5 lamps at the bathroom at the low floor of my hostel

Strange thing with the EOL Nepton 14W T5 lamps at the bathroom at the low floor of my hostel


When I turns the weatherpack on, the lower lamp glowing dimmer and the upper lamp have only end glow on the right end.
When I tap the fixture, both lamps strikes and works at full output.
Why this is happening (The ballast is a CFL like electronic ballast)?

youtube_V1juoS-pUHc.jpg youtube_V8LgvPVi_5w.jpg youtube_i2HL2987NlQ.jpg youtube_Ejk-9b-kr0I.jpg

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Album name:dor123 / Videos
Keywords:Lanterns
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Date added:Jul 28, 2020
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rjluna2
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Robert


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Jul 28, 2020 at 08:43 AM Author: rjluna2
You may have jolted the starter

Pretty, please no more Chinese failure.

dor123
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Jul 28, 2020 at 08:50 AM Author: dor123
The ballast is electronic.

I"m don't speak English well, and rely on online translating to write in this site.
Please forgive me if my choice of my words looks like offensive, while that isn't my intention.

I only working with the European date format (dd.mm.yyyy).

I lives in Israel, which is a 230-240V, 50hz country.

rjluna2
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Robert


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Jul 28, 2020 at 08:52 AM Author: rjluna2
Sounds like capacitive touch to make this going

Pretty, please no more Chinese failure.

Oliver
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Jul 28, 2020 at 08:58 AM Author: Oliver
Possibly broken cathode that is re-connecting when you hit it?
suzukir122
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suzukir123
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Jul 29, 2020 at 01:57 PM Author: suzukir122
I agree with Oliver, but I have absolutely no idea why the good lamp shows some dimming when the bad lamp
isn't on. (I'm assuming the ballast isn't running the lamps in series)
This really looks like a broken electrode filament type of scenario

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