Rockwell Automation WebPak 3000  DC Drives Hardware Reference, Installation and Troubleshooting User Manual

Page 50

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4-8

WebPak 3000 DC Drive Hardware Reference

Table 4.2 - Alarm Codes

CODE

DISPLAY

DESCRIPTION

A00002

AC LINE VOLTAGE
LOW

The AC line voltage fell below 90% of

NOMINAL AC LINE VOLTS (P.307)

.

Possible causes:

Low AC line voltage.

Incorrect value entered for

NOMINAL AC LINE VOLTS (P.307).

Blown AC line fuse(s).

A00003

AC LINE VOLTAGE
HIGH

The AC line voltage rose above 115% of

NOMINAL AC LINE VOLTS

(P.307)

Possible causes:

High AC line voltage.

Incorrect value entered for

NOMINAL AC LINE VOLTS (P.307).

A00004

NETWORK
COMMUNICATION
TIMEOUT

Network Communications is missing or failed to communicate with
master. (

CONTROL SOURCE SELECT

set to

NETWORK

)

Possible causes:

NETW CONNECT TYPE

(P.910) was changed from

BASIC

to

FULL

.

NETW DROP NUMBER

(P.900) was changed.

Network Option cable connections are loose or not connected.

Network Option device failed or master communications failed.

A00005

INVERTING FAULT
AVOIDED

The inverting fault

avoidance logic has detected conditions that could

have caused an inverting fault. The drive took action to avoid an actual
inverting fault.

A00030
1)

MAIN CONTACTOR
DID NOT OPEN

The main contactor (K1M) did not open following a stop.
Possible causes:

Disconnected, loosely connected, or damaged main contactor (K1M)

or Aux. contactor (K1) wiring.

Main contactor or Aux. Main contactor failure.

Disconnected, loosely connected, or damaged main contactor control

wiring (MCR).

A00031

2)

MAIN CONTACTOR
DID NOT CLOSE

The main contactor (K1M) did not close following a run or jog

command.
Possible causes:

Disconnected, loosely connected, or damaged main contactor (K1M)

or Aux. contactor (K1) wiring.

Main contactor or Aux. Main contactor failure.

Disconnected, loosely connected, or damaged main contactor control

wiring (MCR).

1) When after stop command, the auxiliary contactor does not indicate that the main contactor opened,

this alarm indication is 1000 msec

time delayed.

2) When after start command, the auxiliary contactor does not indicate that the main contactor closed,

this alarm indication is 1000 msec time delayed.

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