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This shows the solar sensor just after bringing it in. As you can see it was raining at the time and water is clearly shown on the outer cover of the sensor.
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After wiping the sensor dry you can see the moisture on the inside of the sensor cover
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Some is small droplets of condensation others are large drops.
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There is so much water inside that it drips onto my hand
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A side view showing drops on the inside side of the cover.
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An overall view before dismantling.
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The first screw comes out and the hole is full of water
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Water can be seen between the cover and the base
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The cover is off and the top panel can been seen to be very wet
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The inside of the sensor cover before drying
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The PCB clearly shows water on the components and discolouration where water has electrolysed between components
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After drying and cleaning.
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Now fully reassembled. The gap between the cover and the sensor it self can be seen by sliding a piece of paper in the gap.
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This gap goes all round the unit
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The reset button has a hole in the base.
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There is also this open hole at one end of the base
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Maybe this is an invite for water to enter here :-)
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There is no attempt to weatherproof this unit at all.
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Fully reassembled and reinstalled and fully working again.


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