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Troubleshooting
3. Troubleshooting
3.1 General
If error messages or malfunctions occur repeatedly during operation, the rst thing to do is to
pinpoint the exact error. To do that go through the following checklist:
Is the error reproducable?
For that reset the error and try to repeat it under the same conditions. If the error can be re-
produced, the next step is to nd out during which operating phase the error occurs.
Does the error occur during a certain operating phase (e.g. always during accelerati-
on)?
If so, consult the error messages and remove the causes listed there.
Does the error occur or disappear after a certain time?
That may be an indication for thermal causes. Check, whether the inverter is used in ac-
cordance to the ambient conditions and that no moisture condensation takes place.
3.2 Error Messages and their Cause
The status display is divided at COMBIVERT G6 in status, error and warning messages. Sta-
tus messages display the actual operating condition of the unit.They have no special identi-
cation and are used for information only.
Error messages always consist of the word „Error“ and the cause. Error messages cause the
immediate deactivation of the modulation. The restart is only possible after reset or autoreset.
In case of temperature or overload errors it must be waited until the status message appears
that the error has been removed. A reset can be carried out only then.
Warning messages always consist of the word „warning“ and the cause. How the inverter will
behave on warning messages can be dened via parameters in the application mode.
The following table lists the status messages, error messages and nally the warning messa-
ges each in alphabetic sequence.
Display Value Meaning
Status messages
calculate drive data 82 Measurement of the motor stator resistance
reverse acceleration 67
Acceleration with the adjusted ramp times in anti-clock-
wise direction of rotation.
forward acceleration 64
Acceleration with the adjusted ramps in clockwise direc-
tion of rotation.
LA stop 72
This message is displayed if during acceleration the load
is limited to the adjusted load level
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