6.2.6.4 Italy Selftest ................................................................................................. 42
7. Maintenance ............................................................................................................................ 43
7.1 Cleaning the Fans .......................................................................................................... 43
7.2 Replace a Fan ................................................................................................................ 44
8.1 Measurement .................................................................................................................. 46
8.2 Error Messages ............................................................................................................... 50
9. Troubleshooting ....................................................................................................................... 53
10. Decommissioning .................................................................................................................. 57
11. Appendix ................................................................................................................................ 58
11.1 Specification .................................................................................................................. 58
11.2 Cable Requirement ....................................................................................................... 60
11.3 Earthing Systems .......................................................................................................... 61
12. Certificates........................................................................................................................... 181
3