57
7.
Repair
If the relay fails in operation or if the operating values differ remarkably from the
specified values, the relay is to be given a proper service.
All major measures involving overhaul of electronics are to be taken
by the manufacturer.
Contact the manufacturer or the nearest representative for further information on
checking, service and re-calibration of the relay.
When contacting ABB for ordering repair services, give a description
of the fault and state the fault code, if applicable.
Voltage Protection Relay
Operator's Manual
REU 610
REU 610
1MRS755770