VDW.GOLD® RECIPROC® - Vdw-dental.com

68Problem Possible Cause SolutionenTHE APEX LOCATORWILL NOT TURN ON• One of the connection cablescould be inserted improperly ordefective.• Connection error between thecables and the unit.• Contact between the lip clipand either the contra-angle fileor the file in the file clip eithertoo short or faulty.• Check all plug connections and retry.• If you tried to activate the apexlocator by connecting the lip clip to thefile in the contra-angle, try again usingthe lip clip and the file in the file clip.If this successfully activates the apexlocator, then the connection betweenthe lip clip and the file in the contraangleis faulty.• Check the contact between the fileand the lip clip.• If the results are still negative, thisindicates that the contra-angle (onlythe original VDW 6:1 contra-angle maybe used) is not transmitting signalscorrectly. The contra-angle needs tobe replaced.• If the error persists following contactbetween the lip clip and the anglepiecefile as well as between the lipclip and the file clip file, this couldindicate a defective lip clip cable ora break in the measurement currentcircuit (file correctly inserted, file withelectricity-conducting steel shaft).If the error cannot be fixed, switchingthe apex locator on and thus using itwill not be possible.