Magimix Le Duo 250 Watts Juicer "turn outlet safety lock" Questions

...turn on. i have changed the fuse but still nothing help Devices these days are safety-ed up the whazzoo (technical term) The safety catches and hardware all must be correct for these devices to work. ...

safety things on the sides. So I plugged it in many numerous outlets that are KNOWN to work, and nothing. Did everything in the intructions, tried reassembling, same thing.. Seems defective. Any ideas