OI Roundtable

Got Questions Get Answers => Troubleshooting 101 => Topic started by: rickpend on October 06, 2016, 01:18:PM

Title: What is TR Too Small Alarm on a Parker AC Drive?
Post by: rickpend on October 06, 2016, 01:18:PM
What is TR Too Small Alarm on a Parker AC Drive?

What is Parker TR TOO SMALL alarm mean on a Parker AC drive? I'm looking for a simple explanation as to what TR Too Small means.

And how do you clear the "TR too small" alarm from a Parker AC drive?
Title: Re: What is TR Too Small Alarm on a Parker AC Drive?
Post by: tomtester on October 07, 2016, 10:46:AM
Quote from: rickpend on October 06, 2016, 01:18:PM
What is TR Too Small Alarm on a Parker AC Drive?

The manual says: The calculated value of rotor time constant is too small. Check the value of nameplate rpm.

It seems as though this fault can be cleared only after you have checked and adjusted your calibration values. Don't forget to save your changes...