If your touches register about 1 inch away from your finger:
Using a toroidal coil, the system reconstructs the current waveform to an RMS effective value, correcting the output through phase conversion and trigger pulse oscillation. weltouch cy-210b manual
Keep this article bookmarked. If you lose the physical manual again, you now have a complete digital reference that actually explains things in plain English, not just engineering shorthand. If your touches register about 1 inch away
Often caused by a primary power source failure or improper fuse. weltouch cy-210b manual