I'm really getting sick of bush mechanics giving seriously dangerous advice to people working with 240V. If you don't know what you're talking about, or, worse yet, you do know what you're talking about and are telling them to do things which are illegal and dangerous anyway, do everyone a favour and shut the hell up. The idiots suggesting to file down pins, or jam plugs into double adaptors, or bodge up 10-15A leads WILL get someone killed if they continue the way they are. No, I'm not saying the sky is falling because I'm a paranoid wuss - I am a paranoid wuss, but that's because I know precisely what can happen when people who don't know anything about electricity are guided by other people who don't know anything about electricity.
EDIT: in this particular case, it's a 15A device which requires a 15A outlet. End of story. A 10A outlet, likely sharing a 16/20A circuit with numerous other 10A outlets is not rated to deliver that much current, and WILL overheat, potentially starting a fire. If a 15A outlet isn't available, the only way to get it working is to have an electrician install one. Fortunately it sounds like the OP has recognised that some of the advice he's been getting is stupid, and will be passing it on to someone else.