Chapter 2 - troubleshooting, Faults and alarms, Chapter 2 – Rockwell Automation 20B PowerFlex 700 AC Drives Vector Control (v4.001 and up) User Manual

Page 83: Troubleshooting, Chapter

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Rockwell Automation Publication 20B-UM002G-EN-P - July 2014

83

Chapter

2

Troubleshooting

This chapter provides information to guide you in troubleshooting the
PowerFlex 700. Included is a listing and description of drive faults (with possible
solutions, when applicable) and alarms.

Faults and Alarms

A fault is a condition that stops the drive. There are three fault types.

An alarm is a condition that, if left untreated, can stop the drive. There are two
alarm types.

For information on…

Page

Faults and Alarms

83

Drive Status

84

Manually Clearing Faults

85

Fault Descriptions

86

Clearing Alarms

90

Alarm Descriptions

91

Common Symptoms/Corrective Actions

94

Testpoint C odes and Functions

96

Type

Fault Description

1

Auto-Reset Run

When this type of fault occurs, and [Auto Rstrt Tries] (see

page 41

) is set to a value

greater than “0,” a user-configurable timer, [Auto Rstrt Delay] (see

page 41

) begins.

When the timer reaches zero, the drive attempts to automatically reset the fault. If the
condition that caused the fault is no longer present, the fault will be reset and the drive
will be restarted.

2

Non-Resettable

This type of fault normally requires drive or motor repair. The cause of the fault must be
corrected before the fault can be cleared. The fault will be reset on power up after
repair.

3

User Configurable

These faults can be enabled/disabled to annunciate or ignore a fault condition.

Type

Alarm Description

1

User Configurable

These alarms can be enabled or disabled through [Alarm Config 1] on

page 53

.

2

Non-Configurable

These alarms are always enabled.

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