Lenze i550 Series

Operating instructions i550 motec frequency inverter | 34
© 03/2022 · EN · www.Lenze.com
LED status
You can quickly obtain information on some operating states via the large "DRIVE" LED status
display on the inverter. This status display is composed of a blue LED "RDY" and a red LED
"ERR", which emit specic blinking patterns depending on the operating status:
LED “RDY” (blue)) LED “ERR” (red)) State/meaning
o o No supply voltage
Mains voltage is switched on, inverter initialized
blinking
o Inverter disabled, ready for operation
blinking fast
Safe torque o (STO) active,
Warning active
blinking
o Inverter disabled
blinking fast
Inverter disabled, warning active.
Inverter disabled, error active.
on briey every 1.5s
Inverter disabled, no DC-bus voltage.
o Inverter enabled
o
The motor rotates according to the specied
setpoint or quick stop active.
blinking fast
Inverter enabled, warning active. The motor
rotates according to the specied setpoint or
quick stop active.
blinking
Inverter enabled, quick stop active as response
to a fault.
Troubleshooting
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Error codes
LED statusError message
Support