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Foutnummer
237-13048
237-13049
2774
Beschrijving
Error message
13048 UM3: sequencer sync pulse outside the tolerance
range %1
Cause of error
The synchronization pulse for an internal sequencer in the
inverter was (too often) outside of the specified tolerance
range.
Electromagnetic noise or faulty electrical contacts:
- of the 24 V supply voltage
- of the DC-link voltage
- in the motor cabling
- in the brake cabling
- Contamination or poor optical coupling of the HFL
Error correction
- Check the machine for correct shield connection and
grounding
- Check the power cables for correct clamping
- Check the HFL for correct routing and clamping, and also
for contamination
- Exchange the UM3
- Exchange the CC3
- Inform your service agency
Error message
13049 UM: missing HFL LP transmission
Cause of error
Possible causes:
Electromagnetic noise or faulty electrical contacts:
- of the 24V supply voltage
- of the DC-link voltage
- in the motor cabling
- in the brake cabling
- Contamination or poor optical coupling of the HFL
Error correction
- No immediate corrective action is necessary, since no error
situation has occurred yet
- Recommended preventive measures:
- Check the machine for correct shield connection and
grounding
- Check the power cables for correct clamping
- Check the HFL for correct routing and clamping, and also
for contamination
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HEIDENHAIN | TNC7 | TNCguide | 01/2022
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