355 Troubleshooting Your ArraySafety First—For You and Your arrayMany repairs may only be done by a certified service technician. You should only perform troubleshootingand simple repairs as authorized in your product documentation, or as directed by the online or telephoneservice and support team. Damage due to servicing that is not authorized by Dell is not covered by yourwarranty. Read and follow the safety instructions that came with the product.Obtaining Technical Support and Customer ServiceDell’s support service is available to answer your questions about PS Series SAN arrays. If you have anExpress Service Code, have it ready when you call. The code helps Dell's automated-support telephonesystem direct your call more efficiently.Contacting DellDell provides several online and telephone-based support and service options. Availability varies by countryand product, and some services might not be available in your area.For customers in the United States, call 800-945-3355.Note: If you do not have access to an Internet connection, contact information is printed on your invoice,packing slip, bill, or Dell product catalog.Use the following procedure to contact Dell for sales, technical support, or customer service issues:1. Visit support.dell.com.2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom of thewindow.3. Click Contact Us on the left side of the window.4. Select the appropriate service or support link based on your need.5. Choose the method of contacting Dell that is convenient for you.Determining Service Tag InformationEach array has a service tag with a number. You may need to provide this information to customer supportwhen you contact us. The service tag label is visible on the front of the PS4100, on the right bezel latchblock.