7 Removing, repairing and exchanging
7.1 Product life cycle
At some point of the product life cycle, the protection relay is upgraded to a
next generation unit. When selecting the original product, already consider the
upgrading and extension possibilities that the specific product offers for its whole
life cycle.
Protection relay specific options can be found in Retrofit Solutions Database on the
Internet
www.abb.com
by following the links within ABB Service Guide or via ABB
Product Guide from the product-specific Service & Support sheet.
7.2 Checking protection relay's information
The protection relay information includes detailed information about the device,
such as version and serial number.
Check the protection relay's information in one of the alternative ways.
• Select Menu bar> Device information> Product identifiers on the HMI.
• Select Device information> Product identifiers on the WHMI.
The Product identifiers submenu contains product-related information including
product type, serial number, order number, production date and SW version.
The HW modules submenu contains information about the HW modules.
7.3 Removing protection relay
• Before removing the protection relay, make sure that the auxiliary power is
turned off and all wiring is disconnected.
Check with your local ABB if the protection relay can be upgraded.
7.4 Sending protection relay for repair
• In case of product problems, contact the nearest ABB office or representative for
consultation and instructions.
1MRS759115 E
Removing, repairing and exchanging
REX640
Installation Manual
93
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