If you could not find the information you needed on the web:
Our technical services team can be reached toll free within the United States and Canada by calling 1-800-331-2085
Outside the United States call: (262) 542-5600 x 5298
Technical questions can also be e-mailed to a Technical Service Representative
To Return an Item to ETC for repair you must first have a Return Authorization Number. You can get this number On-Line or by calling the National Service Center (1-800-331-2085).