I have the sam eproblem with Kettler track performance. But for me I get Errors 91, 92, 115 and 11. Only 8 months old. Kettler service have failed to resolve it. I now think Ketteler treadmills may have major electronic problems generally.
I have the same problem, it developed in the past few days. I've written to Kettler for assistance but not received a reply yet.
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