I was curious to see inside one of these - thinking maybe it had some moisture ingress or bad contacts. Opening it is the only way to isolate the pump inside it for testing.
There are a good number of plastic clips that secure the base as cover to the unit. Tease those up gently all around and the cover lifts away quite easily.
Look out for location of a couple of foam pads that help keep the circuit board snug.
There are a good number of plastic clips that secure the base as cover to the unit. Tease those up gently all around and the cover lifts away quite easily.
Look out for location of a couple of foam pads that help keep the circuit board snug.
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