Lenze i550

8 Troubleshooting
Inverter LED status display
Lenze · Inverter i550 - Cabinet · Ethernet Manual · 0.1 EN · 12/2015 61
8 Troubleshooting
8.1 Inverter LED status display
The inverter has two LEDs
(RDY = READY, ERR =
ERROR) on the front cover
to identify the status of the
inverter:
RDY
(Blue)
ERR
(Red)
State
–
–
No supply voltage
–
STO active
STO active, warning active
–
Inverter inhibited
Inverter inhibited, DC Voltage not
Inverter inhibited, Warning active
Inverter inhibited, Fault active
–
Inverter released, drive running OR Quick Stop active
Inverter released, drive running, Warning active
Inverter released, Trouble reaction active