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There are over 1500 parameters in the inverter. These have been setup by the manufacture of the machine so that the machine functions the way it was intended to in a safe trouble free manner.
Before one defaults the inverter you should always use the COMBIVIS software to obtain a complete upload of all the parameter values. This way you can always get back to the settings before the inverter was set to default.
Also with the COMBIVIS software you can access all the parameters in the inverter. With the software the Fr parameters are where you would find how to reset the inverter to default values.
If you are connected to the inverter with COMBIVIS, go to parameter FR.01 and enter a value of -4. This will set all parameters back to factory default.
You may be having an issue with the inverters software verison. As long as the inverters are the same part number, you should be able to download the parameters without any issue. There may be some unknown parameters but you should be able to hit ignore and keep on downloading.
The CP mode parameters are a small list of parameters that are mapped from the application parameters. Not knowing what you are trying to do with the inverter, it is very difficult to tell you what needs to be programmed.
90% of the machines that us the KEB inverters use the application parameters to gain the full functionality of the inverter.
The machine manufacture whom built the machine that the inverter is installed in should be able to provide you with parameter settings.
A while from when you asked the question but how you are trying to change the parameters? Through the BOP or software......?
Are you unable to change all or just some of the params?
Use the manual to check your access level in P0003.