If installed in an appropriate environment, the drive requires very little maintenance. The table lists the routine maintenance intervals recommended by Daikin McQuay
Reforming the Capacitors
The capacitors must be reformed if the drive has been stored for a year. For information on reforming the capacitors, refer to Guide for Capacitor Reforming (3AFE68735190 [English]), available on the Internet (go to http://www.abb.com and enter the code in the Search field).
Source: Daikin (oslo.daikinapplied.com)