Siemens SINAMICS G120D List Manual page 850

Faults and alarms
List of faults and alarms
F07988 Drive: Rotating measurement, no configuration selected
Reaction: OFF2 (NONE, OFF1)
Acknowledge: IMMEDIATELY
Cause: When configuring the rotating measurement (p1959), no function was selected.
Remedy: Select at least one function for automatic optimization of the speed controller (p1959).
See also: p1959 (Rotating measurement configuration)
F07990 Drive: Incorrect motor data identification
Reaction: OFF2 (NONE, OFF1)
Acknowledge: IMMEDIATELY
Cause: A fault has occurred during the identification routine.
Fault value (r0949, interpret decimal):
1: Current limit value reached.
2: Identified stator resistance lies outside the expected range 0.1 ... 100% of Zn.
3: Identified rotor resistance lies outside the expected range 0.1 ... 100% of Zn.
4: Identified stator reactance lies outside the expected range 50 ... 500 % of Zn.
5: Identified magnetizing reactance lies outside the expected range 50 ... 500 % of Zn.
6: Identified rotor time constant lies outside the expected range 10 ms ... 5 s.
7: Identified total leakage reactance lies outside the expected range 4 ... 50 % of Zn.
8: Identified stator leakage reactance lies outside the expected range 2 ... 50% of Zn.
9: Identified rotor leakage reactance lies outside the expected range 2 ... 50% of Zn.
10: Motor has been incorrectly connected.
11: Motor shaft rotates.
12: Ground fault detected.
20: Identified threshold voltage of the semiconductor devices lies outside the expected range 0 ... 10 V.
30: Current controller in voltage limiting.
40: At least one identification contains errors. The identified parameters are not saved to prevent inconsistencies.
50: The selected sampling time is too low for the motor identification (p0115[0]).
Note:
Percentage values are referred to the rated motor impedance:
Zn = Vmot.nom / sqrt(3) / Imot,nom
Remedy: Re fault value = 1 ... 40:
- check whether motor data have been correctly entered in p0300, p0304 ... p0311.
- is there an appropriate relationship between the motor power rating and that of the power unit? The ratio of the
power unit to the rated motor current should not be less than 0.5 and not be greater than 4.
- check connection type (star-delta).
Re fault value = 4, 7:
- check whether the inductance in p0233 is correctly set.
- check whether motor has been correctly connected (star-delta).
Re fault value = 11 in addition:
- Deactivate oscillation monitoring (p1909.7 = 1).
For fault value = 12:
- check the power cable connections.
- check the motor.
- check the CT.
For fault value = 50:
- Perform a motor data identification with a higher sampling time, and after this, change to the required higher sam-
pling time (p0115[0]).
A07991 (N) Drive: Motor data identification activated
Reaction: NONE
Acknowledge: NONE
Cause: The motor data identification routine is activated.
The motor data identification routine is carried out at the next power-on command.
If rotating measurement is selected (see p1900, p1960), it will not be possible to save the parameter assignment.
Once motor data identification has been completed or de-activated, the option to save the parameter assignment will
be made available again.
See also: p1910 (Motor data identification selection)
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SINAMICS G120D List Manual (LH14), 01/2013