9.3
LEDs
The Injection Unit 7XT71 features 2 LEDs on the front cover and 2 LEDs on the
back plate. The LEDs with the same designation are switched parallel so that the
device status is visible for both the surface-mounting and the flush-mounting ver-
sion.
The LEDs signal the following operating states:
Table 9-2 LEDs
LED
RUN
ERROR
28
Device ready
Short-circuit
SIPROTEC 4, Injection Unit 7XT71, Product Information
Meaning
C53000-B1175-C128-1, Edition 01.2014