12.4
Repair support
M11768-3 v4
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: [email protected] Power grids.com
12.5
Maintenance
M11769-3 v2
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.
1MRK 506 377-UEN Rev. K
Section 12
Troubleshooting
Railway application RER670
171
Commissioning manual
© 2017 - 2021 Hitachi Power Grids. All rights reserved
Содержание Relion 670 series
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