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Rexroth IndraDrive
10.4 Replacing the Unit
DOK-INDRV*-HMV-*******-PR01-EN-P
Note:
Replacing the unit requires, depending upon unit weight, a
lifting device and an identical replacement unit.
Electrical shock due to voltage-containing parts
of more than 50 V!
⇒ The unit may only be replaced by qualified
personnel, which have been trained to perform the
DANGER
work on or with electrical devices.
Note:
Prior to the replacement of the unit please check according to
the type plates, whether these units are of the same types.
Replace only units of the same types.
Proceed as follows:
1. Switch voltage to installation off and secure it against being switched
back on.
2. Using an appropriate measuring device, check whether the
installation is power free. Wait the discharge time.
3. Motors must be standing still.
4. Secure vertical axes against motion.
5. Release all connections from the defective unit.
6. Release the fixing bolts and remove the unit from the control cabinet.
Use the lifting device, if necessary.
7. Hang replacement unit into mounting rails. Use the lifting device, if
necessary.
8. Reconnect the unit as per the terminal diagram of the machine
manufacturer.
9. If vertical axes have been mechanically secured prior to replacement,
then remove these devices at this point.
10. While reading out the fault memories of the connected drive
controllers make sure that the device fault has not been triggered by
the drive controllers (see warnings in chapter 10.2 "Fault Diagnostics
and Resetting Faults").
The unit replacement is completed. The system can be put back into
operation.
10-3
Troubleshooting
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