Not so handy as the written version on Vikings site.
But if you save the link below.
Whenever you access it
click on services,
Technical Services.
Error Code Diagnostics.
Then type in your relevant error code and all will be revealed !!!
For Spares click Spare Parts!!!

N.Lewis (what's the N for??) this may be of help to you?? and others hopefully?
Cheers Grizzly

http://www.mitsubishi-aircon.co.uk/?id=148062