MM371W / MM372W Installation Instructions 311. First use the procedures found in the Maintenance &Troubleshooting Guide (see page 28).2. For 24 hour 7 days a week trouble shooting andsupport online go to our TECH WIZARD site atwww.mightymule.com3. If you are unable to solve the problem, call theTech Service Department at (800) 543-1236, or(850) 575-4144.4. If repair or replacement of your gate operator is necessary,the Service Department will assign a Return Authorization(RA) number.5. Include a copy of your receipt and securely pack thecomponent(s) authorized for return to the factory. Write theRA number issued to you on the outside of the package inLARGE BOLD PRINT. Ship the package(s) freight prepaid tothe address provided during the RA process.If your Mighty Mule Gate Opener is not operating properly, please follow the steps below:NOTE: Products returned to Nortek Security and Control without a Return Goods Authorization (RGA)number in LARGE BOLD PRINT on the outside of the package WILL NOT be accepted. Items returnedto Nortek Security and Control freight collect WILL NOT be accepted. Items returned without proof ofpurchase will not be repaired under warranty.The Mighty Mule Technical Service Department is openMonday – Friday 8:00 A.M. – 7:00 P.M. (Eastern Time)Fax (850) 575-8950 • Web site: www.mightymule.comTelephone (800) 543-1236For 24 hour 7 days a week trouble shooting and supportonline go to our TECH WIZARD site at...www.mightymule.comRepair Service