8400 StateLine C | Reference manual
Diagnostics & error management
Error messages of the operating system
412 L Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011
oC1: Power section - short circuit [xx.0123.00016]
oC2: Power section - earth fault [xx.0123.00017]
oC10: Maximum current reached [xx.0123.00030]
oC17: Clamp sets pulse inhibit [xx.0123.00031]
Response (Lenze setting printed in bold)
0: No Reaction : 1: Fault 2: Trouble 3: TroubleQuickStop 4: WarningLocked 5: Warning 6: 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.
Response (Lenze setting printed in bold)
0: No Reaction : 1: Fault 2: Trouble 3: TroubleQuickStop 4: WarningLocked 5: Warning 6: Information
Cause Remedy
The device has recognised an earth fault at one of the
motor phases. To protect the device electronics, the
inverter control is switched off.
• Mostly, incorrectly executed motor connections are
the cause.
• If motor filter, motor cable length, and cable type
(shielding capacity) are dimensioned incorrectly, this
error message may occur due to leakage currents to
PE.
• If motor filters with additional terminals for +UG and
–UG and devices greater or equal 3 kW are used, the
earth fault detection may be triggered due to leakage
currents to +UG and –UG.
• A cause can also be the use of shielded motor cables
longer than 50 m.
• Check motor connections and the corresponding plug
connector on the device.
• Use motor filters, cable lengths, and cable types
recommended by Lenze.
• If motor filters with additional terminals for +UG and
–UG and devices greater or equal 3 kW are used:
–Up to version V05.00.00: Set resp. to earth fault
(C00602
) to "0: No Reaction".
–From version V05.01.00: Deactivate earth fault
detection during operation by setting a filter time
(C01770
) of 250 ms.
• If motor cables longer than 50 m are used:
–From version V05.01.00: Increase filter time for
earth fault detection during operation (C01770
).
Response (Lenze setting printed in bold)
0: No Reaction : 1: Fault 2: Trouble 3: TroubleQuickStop 4: WarningLocked 5: Warning 6: Information
Cause Remedy
The device displays that the maximum current has been
reached.
• Check and, if required, correct dimensioning of the
load with regard to the installed device power.
• Check the maximum current settings in C00022
(Imax in motor mode) and C00023
(Imax in generator
mode).
Response (Lenze setting printed in bold) Setting: C00569/1 (; Adjustable response)
: 0: No Reaction ; 1: Fault 2: Trouble 3: TroubleQuickStop 4: WarningLocked ; 5: Warning 6: Information
Cause Remedy
Due to a short overcurrent, the inverter was switched off
for a short time (clamp disconnection).
• Check and, if required, correct dimensioning of the
load with regard to the installed device power.
• Reduce the dynamics of the setpoint change or speed
control.
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