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7.1. Operation .................................................................................................................... 49
7.1. Alarm ........................................................................................................................... 50
7.2. Supervision .................................................................................................................. 51
7.3. Unipolar/Bipolar connection ....................................................................................... 52
7.4. DC sequence ................................................................................................................ 53
8. WARRANTY AND MAINTENANCE ........................................................................................ 55
8.1. Replacing the input fuses ............................................................................................ 55
8.2. Fans ............................................................................................................................. 55
8.3. DC bus capacitors ........................................................................................................ 55
8.4. Warranty ..................................................................................................................... 55
8.5. Claim procedure .......................................................................................................... 56