Chapter 8: error diagnosis and troubleshooting, Alarm, warning, Procedure when alarm/warning picks up – Rockwell Automation 825 Smart Motor Manager User Manual User Manual

Page 133: Chapter 8 — error diagnosis and troubleshooting, Error diagnosis and troubleshooting, Chapter

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Publication 825-UM001B-EN-P January 2001

Chapter

8



Error Diagnosis and Troubleshooting

Alarm, Warning

If an impending defect is detected early enough, motor damage can be minimized. This leads
to:

Lower repair costs

Less downtime (increased productivity)

Alarm thresholds can be set for:

Thermal utilization of the motor

Overcurrent

Asymmetry

Underload

Earth (ground) fault with core balance transformer

Stator and bearing temperature with PT100

When the alarm threshold is reached, the LED flashes, the LCD indicates the type of alarm,
and the selected output relay picks up.

Procedure when Alarm/Warning Picks Up

EXAMPLE

Asymmetry

When an asymmetry condition occurs and the related threshold is reached, the following
responses occur:

LED flashes

LCD:

The assigned output relay picks up

AS WARNING

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