Try to use the app on another device to see if the issue persists. If it does, then the culprit is most likely the speed sensor that has become defective on the rower. The rower's speed sensor may need to be replaced.
Try to use the app on another device to see if the issue persists. If it does, then the culprit is most likely the speed sensor that has become defective on the rower. The rower's speed sensor may need to be replaced.