8
Operation
Status LEDs
Operating Instructions – MOVIPRO
®
PHC2.A-A..M1-E45C-C5
154
8.6 Status LEDs
The status LEDs display the current operating state of the operating system, the
SEWOS loader, the application software and the CAN system bus.
33076128011
[1] Status LEDs L1, L2, L3, L4
8.6.1 Status LED L1 system
State LED Meaning Measure
Off The MNC45A controller is not
supplied with voltage.
• Check the backup voltage at
the signal feed connector
X121..
• Contact SEW‑EURODRIVE
Service if the backup voltage
is present.
Red The firmware fails to boot. Contact SEW‑EURODRIVE ser-
vice.
Flashes red The firmware is faulty. Contact SEW‑EURODRIVE ser-
vice.
Orange
• The product cannot find a
valid system image.
• The internal memory of the
communication and control
unit is faulty.
Contact SEW‑EURODRIVE ser-
vice.
Green The firmware has booted. The
product is ready for operation.
26596598/EN – 10/2020
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