User Manual
7 Diagnostics & troubleshooting
7.1 LED status displays for device status
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Lenze · 8400 StateLine · Operating instructions · from Firmware V06.00 · DMS 1.2 EN · 12/2012 · TD05
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7 Diagnostics & troubleshooting
7.1 LED status displays for device status
The control of the two LEDs "DRV-RDY" and "DRV-ERR" in the lower part on
the front of the inverter depends on the device status.
The meaning can be seen from the table below:
DRV-RDY DRV-ERR Description Device status
(Display in C00137)
OFF OFF OFF or initialisation active Init
OFF Safe torque off is active SafeTorqueOff
OFF Device is ready to start ReadyToSwitchOn
OFF Device is switched on SwitchedOn
OFF Motor data identification/operation OperationEnabled
The controller is ready to switch on, switched on or the operation is
enabled and a warning is indicated.
Fault active, quick stop TroubleQSP
OFF Trouble is active Trouble
OFF Fault is active Fault
OFF System fault is active SystemFault
Legend
The symbols used for indicating the LED states have the following meaning:
LED is flashing once approx. every 3 seconds (slow flash)
LED is flashing once approx. every 1.25 seconds (flash)
LED is flashing twice approx. every 1.25 seconds (double flash)
LED is blinking every second
LED is permanently on
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