hi guys thanks for the quick response,when i turn on the key switch the line contactor does not switch on i have checked the emergency stop buttons and wires found them all ok the control switch is on platform function,I also checked the fuses with a multi meter the fuse holder in the front service panel has been replaced so there ok.the hour meter display is showing the hours ok.. I also removed the handle on the ignition side wiring and connections are wiring not trapped or damaged. when i turn the key switch i get 24 volts at pin 1 on the controller and i also have a negative feed to the pin number 2. thanks for your help guys any more info would be great