|On this machine, this is one of the first places that limescale will seep past the o-ring. It needs an o-ring replacement. You will also need a 12mm Allen key to remove the access knot. With machine cold and unplugged, turn off the water supply. Softly tap access nut with a plastic mallet, then turn counterclockwise to loosen. If tight, tap Allen key with mallet to start. Clean area with wire brush, replace o-ring, and re-assemble.|
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