8 Fault elimination
Maschinenfabrik Reinhausen GmbH 2020
48
1800138/08 EN
TAPMOTION
®
ED
General information
Document each fault, even if it is easy to rectify.
In the event of faults on the on-load tap-changer / de-energized tap-changer
or motor-drive unit, which cannot be easily and immediately corrected on
site, or if a protective device has been tripped, please inform your authorized
MR representative, the transformer manufacturer or contact us directly at:
Maschinenfabrik Reinhausen GmbH
Technical Service
Postfach 12 03 60
93025 Regensburg
Germany
Phone: +49 94140 90-0
Fax: +49 9 41 40 90-7001
E-mail: [email protected]
Internet: www.reinhausen.com
Fault in the environment of the motor-drive unit
Error pattern
Action
No change in voltage on transformer de-
spite change in position on motor-drive
unit
▪ Contact MR
Noises on drive shaft or motor-drive unit
when changing tap position
▪ Ensure that the motor-drive unit is at-
tached correctly, in accordance with
the "Assembly" [
chapter.
▪ Make sure that the drive shaft includ-
ing protective cover is assembled cor-
rectly, in accordance with the operat-
ing instructions for the on-load tap-
changer / de-energized tap-changer.
Table 8: Fault in the environment of the motor-drive unit
Fault in the motor-drive unit when the switching operation
has not ended
If the motor-drive unit stops and if the arrow of the tap-change indicator does
not point in the area highlighted in gray (see the "Indication field" [
3.4.1, Page 18] section, Position 3), then the switching operation has not
been ended correctly.
8.2
8.3
8.4
