you have a short circut in the lead to the motor or short in the field of motor its self [look at the cord see if it looks burnt ]some where on cord if you find burn cut cord between motor and cord [ remove burnt part ]fit new plug also check plug for melting on terminals if melted fit new plug
ray vivian
December 2006
I can answer this question...
Why does my vacuum cleaner keep blowing a fuse when I switch it on?