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ECODRIVE Drive Controller DKC02.1

2-4 Error Diagnostic Messages DOK-ECODRV-SSE-03VRS**-WAR1-EN-P • 12.96

F226 Undervoltage Error

The DC bus voltage is monitored. The drive is shut down after the

selected error reaction when the voltage falls below the minimum

threshold.

Cause:

1. Power shutdown without previous de-activation of the drive via

the controller enable signal (RF)

2. Activating the drive via the controller enable signal (RF) without

previous activation of the power section.

3. Malfunction of the power supply.

Remedial action:

1. Verification of the logic required for activating the drive in the

connected controller.

2. Malfunctions in the power supply must be eliminated.

F228 Excessive Deviation

When the position control loop in the drive is closed, it checks whether

the specified command value can be followed. A model position

feedback value is computed in the drive and compared with the actual

position feedback value. This error is generated if the difference between

theoretical and actual position feedback value exceeds the value of the

parameter S-0-0159, Monitoring Window for more than 64 ms.

Cause:

1. The acceleration capacity of the drive has been exceeded.

2. The axis has been blocked.

3. Incorrect values in the drive parameters.

4. Incorrect value of S-0-0159, Monitoring Window

5. The power supply was switched off while the controller enable

signal was applied.

Remedial action:

Ref. 1. Check the parameter S-0-0092, Bipolar Torque/Force Limit

Value and set it to the maximum value that is permissible for the

application.

Reduce the specified acceleration value of the controller (see

Controller Manual).

Ref. 2. Check the mechanical system and eliminate axis jamming

Ref. 3. Check drive parameters

Ref. 4. Set S-0-0159, Monitoring Window

Ref. 5. Check if there are error messages different to "28" in the AC

servo drive.

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Bosch PIF6..T1.. Especificaciones Pagina 14