Eaton SPI9000 User Manual download pdf (Page 91)

Fault and Warning Codes

9000X AF Drives

MN04001004E—May 2011 www.eaton.com

Fault and Warning Codes

In the SVX9000/SPX9000 drive there are four different types

or “Levels” of faults, each level corresponding to the

severity of the fault. The fault types differ from each other on

the basis of the drive response to the fault. See Fault Codes

table below and on

Pages 82

and

for descriptions.

The faults with one asterisk are “Fault” only. The faults with

two asterisks can be programmed for different actions based

on the chosen application. See the appropriate application

manual for specific application details.

Fault Type Categories

Fault Codes

Fault Type Fault Level/Significance

First Level Fault

A minor fault

( * next to fault numbers ) A First Level Fault indicates an unusual operating condition has occurred. It does not cause the drive to stop, and it does not

require any action to be taken. The fault indication remains in the display for about 30 seconds.

Second Level Fault

A significant fault

( ** next to fault numbers ) The drive response to a Second Level Fault can be programmed in the application. A Second Level Fault will cause the drive to

stop. Corrective action needs to be taken in order to restart the drive.

Third Level Fault

A major fault

(auto resetting) If a Third Level Fault occurs the drive will also stop immediately. The fault is reset automatically and the drive will try to restart

the motor. Finally, if the restart is not successful, a Top Level Fault trip occurs (see below).

Top Level Fault

A final fault

If the drive is unable to restart the motor after a Third Level Fault, a Top Level Fault occurs. The effect of the Top Level Fault is the

same as that of the Second Level Fault except that the drive is stopped and remains stopped until corrective is taken and the

drive is reset.

Fault Code Fault Possible Cause Solution

1 Overcurrent The SVX9000/SPX9000 has detected a high current

(>4 x I

) in its output due to:

•

sudden heavy load increase

•

short in the motor

•

short in the cables to the motor

•

unsuitable motor

Check loading

Check motor

Check cables

2 Overvoltage The DC link voltage has exceeded its high limit due to:

•

too short a deceleration time

•

high voltage levels or surges in the utility supply

Make the deceleration time longer

Use a chopper and brake resistor (standard on some

models, available as an option on others)

Correct utility supply voltage (level is too high)

Add input impedance to limit surges

3** Ground (earth) fault Current sensing indicates that the sum of motor phase

currents is not zero

•

insulation failure in motor or motor cables

Check the motor and motor cables

5 Charging switch The charging switch was open when the START

command was been given due to:

•

faulty operation

•

component failure

Reset the fault and restart.

Should the fault reoccur, contact your Eaton

distributor

6 Emergency stop An Emergency stop signal was received from one of

the digital inputs

Determine the reason for the Emergency stop and

remedy it

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Eaton SPI9000 User Manual Page 91

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