Yes, the power supply is connected and the right one. It worked the other day (I wasn't there but apparently it was problematic to get the led to light) but now nothing.
Maybe a dodgy power unit?
Back to the power supply - is it rated for the right current output? Loopers are notoriously ampere-hungry
Edit- looked this one up and it only needs 70mA, which isn’t massive. Ignore me.
@rodan started
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Yes, the power supply is connected and the right one. It worked the other day (I wasn't there but apparently it was problematic to get the led to light) but now nothing.
Maybe a dodgy power unit?