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Join Date: Nov 2012
Posts: 10

Bosch Rexroth Frequency Converter Fe

05/14/2013 5:44 AM

We use the inverter below to drive a cement packer. Unfortunately it stops on its own, or delays to start when given start command. I am not getting a relevant manual to guide in trouble shooting the same. What could be the cause of the problem?

Frequency Converter Fe

fceg021-4k00-3p0400-a-modb-01v01

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Guru
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#1

Re: inverter

05/14/2013 6:06 AM

It's difficult to say, as the installation cannot be seen from here. A phone call to the equipment manufacturers' technical helpline will precipitate the arrival of a replacement manual, if indeed it isn't available immediately via their website.

Good luck.

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Guru
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#2

Re: Bosch Rexroth Frequency Converter Fe

05/14/2013 7:45 AM

On the website link you just provided, over on the right side is a link named Instructions. It's a user's manual in pdf format.

Without reading it, I would say you've got an intermittent stop signal. This is usually a normally closed contact between the COMMON and STOP inputs. Sometimes, depending on how the unit is configured, these terminals have a jumper connecting them together. That's where I'd focus first.

regards,Vulcan

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#3

Re: Bosch Rexroth Frequency Converter Fe

05/14/2013 3:55 PM

Don't forget to check the inverter's fault history messages as they may narrow down what the problem is.

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#4

Re: Bosch Rexroth Frequency Converter Fe

05/15/2013 2:57 AM

How does it appear? Cement dust on the prints? Perhaps (when it worked well before)

relais. potmeter. Clean with dry air under pressure.

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#5

Re: Bosch Rexroth Frequency Converter Fe

05/15/2013 7:28 AM

Thank u all respondents. I found to be faulty potentiometer. On replacing its now working ok. Thanks BIG

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#6

Re: Bosch Rexroth Frequency Converter Fe

05/15/2013 9:21 AM

I needed there programing software, you can download it free.

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#7

Re: Bosch Rexroth Frequency Converter Fe

05/15/2013 10:33 AM

you know that those inverter´s have feedback circuitry , so to different loads they have different (or slightly ) responses! and they may stop due to overload, or to a bad program for your application, or so on so on!

they have thousands of operation modes!

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