Question about Inverter KEB COMBIVERT F5

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Need a Way to adjust dr.2 Rated Motor Current value. Combivert F4-C

I am working with the KEB Combivert F4-C. I am struggling with E_OC error, i checked winding of the motor (Its perfect). Motor is running well quite some time, but then Over current occurs, Extended accelaration time as well but no change. I want to adjust the rated motor current to little more, can you please guide me to the dr.2 Parameter how i can do it in Key pad. Please Help

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It sounds like you may have a thermal issue causing the fault trigger of the E.OC error. This coould be an issue with the motor or the inverter getting too hot. Once the system trips into error it is allowed to cool a little and you can run again for a while.

What is the actual part# and serial # of the inverter that you are having problems with?

Since they system has been running, I would not suggest aultering the voltage/hz curves in the inverter because of an E.OC error.

Posted on Jan 14, 2014

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Posted on Jan 02, 2017

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1 Answer

What does OL2 fault in KEB drive indicate?


Too much current is being required with the motor shaft not rotating. This is most likely a parameter adjustment issue with the motor data, torque limits and protective functions.

Possible motor issue as well.

Sep 29, 2015 | Inverter KEB COMBIVERT F5

1 Answer

MY DEVICE IS KEB COMBIVERT F4-C I WANT WORK IN DRIVE MODE OPERATION BUT I DONT KNOW THE PASSWORD PLEASE HELP ME.TANKS


Hold the enter and function buttons on the keypad down at the same time until it the display flashes

Apr 17, 2014 | Inverter KEB COMBIVERT F5

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F5 KEB inverter nop problem


If using bus communications (Can, ProFi, Mod, ext), there may be a communications command (Software signal) that is not being provided. Hardware and software enable signal required to obtain LS.

Possible that the terminal on the control card is bad due to miss connection or signals outside of the rated value.

Apr 01, 2014 | Inverter KEB COMBIVERT F5

1 Answer

E oc in f4


Error Over Current.

Disconnect motor leads at U/V/W terminals and run the inverter to determine if the problem is internal or external of the inverter.

If it is external then you are looking for a shorted winding in the motor or a shorted motor lead between the inverter and the motor.

Mar 05, 2014 | Inverter KEB COMBIVERT F5

1 Answer

E OC error in F4 KEB


Error. Over Current - Peak current exceeded

Possible causes:
Motor has a short - Phase to phase or phase to ground.
Motor cable damaged/defective.
Motor cables too long.
Acceleration/deceleration ramps too short.
Damaged output phase of inverter.
EMI

Mar 05, 2014 | Inverter KEB COMBIVERT F5

1 Answer

How to adjust the Rated Motor Current in keb combivert f4-c. I cannot understand in manual


Run the motor with no load to see if it functions with no load.
If the system functions with no load, you may still need to increase your acceleration time to reduce the current demand.

What is the part# / serial# of the inverter in question?

Dec 28, 2013 | Inverter KEB COMBIVERT F5

1 Answer

Eoc alam


E.OC is an over current error.

The inverter is sensing a short on the U/V/W terminals. This could be a shorted motor, motor leads and an internal short in the inverter.

Disconnect the motor leads from the inverter, and run the inverter as you normally would.

If the E.OC error does not occur the short is external of the inverter.
If the E.OC occurs, then the short is internal to the inverter.

Nov 26, 2013 | Inverter KEB COMBIVERT F5

1 Answer

E.up and eoc always occurs,what the problem?


E.UP = Under voltage
Check your supply voltage.
E.OC = Over current
Check for shorts between the inverter and motor.

Feb 19, 2011 | Inverter KEB COMBIVERT F5

1 Answer

I have a prblem in the F5 keb combivert it's show Error E.OC & E.puci & E.Puch could you please advice us with the proper solution thanks


E.puci During the initialization the power circuit could not be recognized as invalid.
E.puch power unit changed
power unit identification was changed, with a avalid power circuit this error can be reset by writting to SY.3. If the value displayed in SY.3 is written, only the power-cricuit dependent parameters are reinitialized. if any other value is written, then the default set is loaded . On some systems after writing SY.3 a power-On -Reset is necessary........
E.OC Overcurrent

Apr 11, 2010 | Inverter KEB COMBIVERT F5

4 Answers

F5 keb inverter problem


i have a prblem in the F5 keb combivert it's show Error
E.OC & E.puci & E.Puch could you please advice us with the proper solution
thanks

Mar 10, 2010 | Inverter KEB COMBIVERT F5

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