I agree, more likely to be the line and/or interference. Provided you have the latest firmware (6.2.2.6 at time of writing) the hub will not try to upload a new one. However if the hub is 6.1. and fails to get the upgrade it will continually seek new firmware which is why the manual upgrade process fixed the problem. Mine too needed a full reset after getting its new firmware but it has performed faultlessly ever since, and at 6 times the speed after I disconnected the bell wires from terminal 3 at the master.
jarviser
I agree, more likely to be the line and/or interference. Provided you have the latest firmware (6.2.2.6 at time of writing) the hub will not try to upload a new one. However if the hub is 6.1. and fails to get the upgrade it will continually seek new firmware which is why the manual upgrade process fixed the problem. Mine too needed a full reset after getting its new firmware but it has performed faultlessly ever since, and at 6 times the speed after I disconnected the bell wires from terminal 3 at the master.