Danfoss VLT AAF006 Operating Instructions Manual

Also see for VLT AAF006: Service manual

Contents

Danfoss VLT AAF006 Operating Instructions Manual Manual pdf 78 page image

8 Maintenance, Diagnostics and Troubleshooting8.1 Maintenance and ServiceUnder normal operating conditions and load profiles, theactive filter is maintenance-free throughout its designedlifetime. To prevent breakdown, danger, and damage,examine the filter at regular intervals depending on theoperating conditions. Replace worn or damaged parts withoriginal spare parts or standard parts. For service andsupport, refer to www.danfoss.com/contact/sales_and_services/.8.2 Warning and Alarm Types8.2.1 WarningsA warning is issued when an alarm condition is impendingor when an abnormal operating condition is present andmay result in the active filter issuing an alarm. A warningclears by itself when the abnormal condition is removed.8.2.2 Alarm TripAn alarm is issued when the active filter is tripped, that is,the active filter suspends operation to prevent filter orsystem damage. After the fault condition is remedied, resetthe active filter. It is then ready to start operation again.A trip can be reset in any of 4 ways:• Press [Reset] on the LCP.• Digital reset input command.• Serial communication reset input command.• Auto reset.8.2.3 Alarm Trip-lockAn alarm that causes the active filter to trip-lock requiresthat input power is cycled. The active filter logic continuesto operate and monitors status. Remove input power tothe active filter and correct the cause of the fault, thenrestore power. This action puts the active filter into a tripcondition as described in chapter 8.2.2 Alarm Trip and maybe reset in any of the 4 ways.Maintenance, Diagnostics an... Operating InstructionsMG90V302 Danfoss A/S © 09/2014 All rights reserved. 758 8