A group of 16 journalists were left dangling on it at a steep angle as they tried out the rollercoaster before it opened to the public.
The ride shut for four days in July 2013 after a piece fell off the track, and 48 people had to be rescued.
It closed again in August 2013 for five days due to a "technical issue".
In November 2013 it closed for five days after wheels fell off and hit four people in the front carriage. The injured people were looked after by park staff and did not need treatment by the ambulance service, a spokeswoman said at the time.
Riders were also left stranded in the air when the ride ground to a halt at the top of a near vertical section 14 months ago.
Posted By: norway, Jun 2, 16:35:32
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