Siemens CU240B-2 Parameter Manual page 703
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Also See for CU240B-2:
- Operating instructions manual (36 pages) ,
- Compact operating instructions (32 pages)
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F07936
Drive: load failure
Reaction:
OFF1 (NONE, OFF2, OFF3)
Acknowledge:
IMMEDIATELY
Cause:
The load monitoring has detected a load failure.
Remedy:
- check the sensor.
- if necessary, de-activate the load monitoring (p2193).
See also: p2193 (Load monitoring configuration), p3232 (Load monitoring failure detection)
F07950 (A)
Motor parameter incorrect
Reaction:
NONE
Acknowledge:
IMMEDIATELY
Cause:
The motor parameters were incorrectly entered while commissioning (e.g. p0300 = 0, no motor)
Fault value (r0949, decimal interpretation):
Parameter number involved.
See also: p0300, p0301, p0304, p0305, p0307, p0310, p0311, p0314, p0316, p0320, p0322, p0323
Remedy:
Compare the motor data with the rating plate data and if required, correct.
See also: p0300, p0301, p0304, p0305, p0307, p0310, p0311, p0314, p0316, p0320, p0322, p0323
F07967
Drive: Pole position identification internal fault
Reaction:
OFF2 (NONE, OFF1)
Acknowledge:
IMMEDIATELY
Cause:
A fault has occurred during the pole position identification routine.
Only for internal Siemens troubleshooting.
Remedy:
Carry out a POWER ON.
F07968
Drive: Lq-Ld measurement incorrect
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
A fault has occurred during the Lq-Ld measurement.
Fault value (r0949, decimal interpretation):
10: Stage 1: The ratio between the measured current and zero current is too low.
12: Stage 1: The maximum current was exceeded.
15: Second harmonic too low.
16: Drive converter too small for the measuring technique.
17: Abort due to pulse inhibit.
Remedy:
For fault value = 10:
Check whether the motor is correctly connected.
Replace the power unit involved.
De-activate technique (p1909).
For fault value = 12:
Check whether motor data have been correctly entered.
De-activate technique (p1909).
For fault value = 16:
De-activate technique (p1909).
For fault value = 17:
Repeat technique.
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 / Control Units CU240B/E-2 Parameter Manual (LH11), 01/2011
Faults and Alarms
List of Faults and Alarms
3-703
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