Lenze i550

17 Diagnoscs and fault eliminaon
This secon contains informaon on error handling, drive diagnoscs and fault analysis.
17.1 LED status display
The "RDY" and "ERR" LED status displays on the front of the inverter provide some quick infor-
maon about certain operang states.
"RDY" LED (blue) "ERR" LED (red) Status/meaning
o o No supply voltage.
on on
Inialisaon (inverter is started.)
blinking (1 Hz)
o
Safe torque o (STO) acve. The inverter has been disabled by the integrated safety system.
4Safe Torque O (STO) ^ 548
blinking fast (4 Hz)
Safe torque o (STO) acve, warning present. The inverter has been disabled by the integrated
safety system.
blinking (2 Hz)
o Inverter inhibited.
blinking fast (4 Hz)
Inverter disabled, warning acve.
4Error handling ^ 610
on
Inverter disabled, error acve.
4Error handling ^ 610
lit every 1.5 s for a
short me
Inverter inhibited, no DC-bus voltage.
on for a short me
every 1 s
USB module is connected, 5-V supply voltage for the USB module is available.
on
o
Inverter enabled.
The motor rotates according to the specied setpoint or quick stop acve.
blinking fast (4 Hz)
Inverter enabled, warning acve.
The motor rotates according to the specied setpoint or quick stop acve.
blinking (1 Hz)
Inverter enabled, quick stop as response to fault acve.
4Error handling ^ 610
Both LEDs are blinking in a rapidly alternang
mode
Firmware update acve.
4Update device rmware ^ 514
Both LEDs are blinking in a very rapidly synchro-
nous mode
"Visual tracking" funcon is acve.
4Opcal device idencaon ^ 495
Diagnoscs and fault eliminaon
LED status display
593