Hi just read your posting.Now error code 105 is called COMMS. ERROR TIME-OUT.This means the display module has detected an error in the communications between the display module and the motor controller.There are 3 reasons why this error code appears, the 1st is a faulty display module, the 2nd is a faulty motor controller and the 3rd is a faulty rotor sensor.The way this fault is tracked down is to 1st change the display module and if that does not rectify the fault then change the motor controller and if the fault is still present then change the rotor sensor.Sorry for the bad news on this fault and unfortunately you need the components to find the fault.I have double checked to see if there is a way to check the components easily and I have not been able to find one.Please reply on how you would like to proceed and I can help you as much as I can.
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