The water container is empty.
To unclip the water container from the retainer, pull down the handle.
Pull the water container upwards and out.
Turn the twist lock at the rear of the water container to the left (anti-clockwise) and lift off the lock.
Tilt the water container into a horizontal position and fill it with fresh water (approx. 15–35 °C).
Place the twist lock back in the water container and turn it to the right (clockwise) as far as it will go.
Put the water container back in place.