____________________________________________________________________________________________________________G1 Introduction to AC500 1-26 AC500 / Issued: 07.2006ServicesService - Control EngineeringABB operates a Technical Support Center to assist with even the most difficult of problems.• Consultation by phone (Helpline)• Failure analysis and removal at the machine/installationIn order to provide the customer with qualified assistance, customers are requested to provide thefollowing:• Provide all required application documentation and information.• Provide access (if required) to the system being examined.• Assign key individuals to assist as required.For inquiries and orders, please contact:ABB STOTZ-KONTAKT GmbHDept. STO/CPT, Control Engineering HelplineEppelheimer Straße 82D-69123 HeidelbergPostfach 10 16 80D-69006 HeidelbergPhone +49 6221 701-1444Telefax +49 6221 701-1382E-mail: desst-helpline.desto@de.abb.comFor further information about control engineering please also refer to our Internet Websitehttp://www.abb.de/stotzkontakt.Repair services and replacement devicesThe following services are also covered by our activities:• Delivery of replacement devices• Repair of defective devices and systemsPlease contact your responsible sales office for your inquiry.