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Got Questions Get Answers => Troubleshooting 101 => Topic started by: rickpend on October 06, 2016, 12:37:PM

Title: What is VDC Ripple Alarm on a Parker AC Drive?
Post by: rickpend on October 06, 2016, 12:37:PM
What is VDC Ripple Alarm on a Parker AC Drive?

What is Parker VDC RIPPLE alarm mean on a Parker AC drive? I'm looking for a simple explanation as to what VDC Ripple means.

And how do you clear the VDC ripple alarm from a Parker AC drive?
Title: Re: What is VDC Ripple Alarm on a Parker AC Drive?
Post by: tomtester on October 07, 2016, 01:59:PM
Quote from: rickpend on October 06, 2016, 12:37:PM
What is VDC Ripple Alarm on a Parker AC Drive?

The troubleshooting manual says: The dc link ripple voltage is too high. Check for a missing input phase.

Before you can clear this fault, you will need to use your voltmeter to verify the three input phases are present and go from there.