I had tried a similar procedure earlier, but then I held down the button until all 3 LEDs lighted AND the red one flashed. Releasing the button exactly when the 3 LEDs lighted worked immediately.
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Thanks, that got it working again! :)
I had tried a similar procedure earlier, but then I held down the button until all 3 LEDs lighted AND the red one flashed. Releasing the button exactly when the 3 LEDs lighted worked immediately.