Sounds like a power issue but you don't say what an MC250 is - there is a Water Softener called an MC250 - if that's what you have a company in Shropshire offer to do repairs - Wrekin Water Softeners - 01948 710699
http://www.wrekinwatersofteners.co.uk/wrekinwatersofteners/final.asp?id=198
Good Luck...
November 2015
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