Here at Coiltek®, we pride ourselves on our customer service. If you need help with your non-contact ultrasonic loop control, we are always willing to help. In that spirit, we invite you to check out the trouble-shooting section of Coiltek.com. There you can find useful graphs and tutorials to help you eliminate simple problems without the hassle of time spent on the phone.
Of course if you still have issues, please feel free to contact us.