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Lenze E84AVHC Series - OU: DC bus overvoltage [xx.0123.00014]; LU: DC bus undervoltage [xx.0123.00015]; OC1: Power section - short circuit [xx.0123.00016]

Lenze E84AVHC Series
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8400 HighLine | Parameter setting & configuration
Diagnostics & error management
Error messages of the operating system
480 L Firmware 05.00 - DMS 4.2 EN - 02/2010
OU: DC bus overvoltage [xx.0123.00014]
LU: DC bus undervoltage [xx.0123.00015]
OC1: Power section - short circuit [xx.0123.00016]
Response (Lenze setting printed in bold)
None ; Fault : Trouble TroubleQuickstop Warning WarningLocked Information
Cause Remedy
The device has detected an overvoltage in the DC bus. To
protect the device hardware, the inverter control is
switched off.
Depending on the configuration of the auto-start lock
function, C00142
serves to set that, if this error has
been tripped, the controller only starts after the
controller inhibit is switched.
If this error message remains active longer than the
time set in C00601
, a "Fault" is tripped.
Reduce load in generator mode.
Use a brake resistor.
Use a regenerative power supply unit.
Establish a DC-bus connection.
Response (Lenze setting printed in bold) Setting: C00600/1 (; Adjustable response)
None ; Fault : Trouble TroubleQuickstop Warning WarningLocked Information
Cause Remedy
The device has detected a DC bus undervoltage. The
inverter control is switched off because the drive
properties of the motor control cannot be provided
anymore due to the DC bus undervoltage.
Depending on the configuration of the auto-start lock
function, C00142
serves to set that, if this error has
been tripped, the controller only starts after the
controller inhibit is switched.
Switch on mains supply or ensure sufficient supply via
DC bus.
Adjust setting in C00142
if required.
Response (Lenze setting printed in bold)
None : Fault Trouble TroubleQuickstop Warning WarningLocked Information
Cause Remedy
The device has recognised a short circuit of the motor
phases. To protect the device electronics, the inverter
control is switched off.
Mostly, incorrectly executed motor connections are
the cause.
If the device is inappropriately dimensioned with
regard to the motor load and the current limitation in
the controller (Imax controller) is set incorrectly, this
error message may also occur.
Motor control: Defining current limits
Check motor connections and the corresponding plug
connector on the device.
Only use permissible combinations of device power
and motor power.
Do not set the dynamics of the current limitation
controller too high.
efesotomasyon.com - Lenze

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