My new dual fuel range cooker is tripping the RCD when I turn any of the ovens on. Its not tripping the MCB. Previously there's been a gas oven in its place, so there has never been any appliance connected to this circuit. The techy bits I can tell you are.... Its a 32amp MCB. 6mm cable to the cooker switch which is a 45amp switch with a 13amp socket. The spec on the cooker says max electrical load at 230V is 8.7KW.
I connected the cooker up today. When I first turned the ovens on, everything worked but once switched off and then back on again that is when it started tripping out.
Any advice what the problem might be would be appreciated.