ABB Relion 670 Series Commissioning Manual page 177

1MRK 506 377-UEN Rev. K
12.4 Repair support
If an IED needs to be repaired, the whole IED must be removed and sent to an Hitachi Power grids
Logistic Center. Before returning the material, an inquiry must be sent to the Hitachi Power grids
Logistic Center.
e-mail: offer.selog@se.Hitachi Power grids.com
12.5 Maintenance
The IED is self-supervised. No special maintenance is required.
Instructions from the power network company and other maintenance directives valid for
maintenance of the power system must be followed.
Railway application RER670
Commissioning manual
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Section 12
Troubleshooting
M11768-3 v4
M11769-3 v2
171