Reference – Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) User Manual

Page 404

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Appendix B
Programming Reference

B–9

Each fault is classified as one of the following:

Non-User — A fault caused by various conditions that cease logic
program execution. The user-fault routine is not run when this fault
occurs.

Non-Recoverable — A fault caused by the user that cannot be recovered
from. The user-fault routine is run when this fault occurs. However, the
fault cannot be cleared.

Recoverable — A fault caused by the user that can be recovered from in
the user-fault routine by resetting major error halted bit (S1/13). The
user-fault routine is run when this fault occurs.

Refer to chapter 20 for more information regarding MicroLogix 1000 HHP
advisory messages.

Fault Classification

User

Address

Error
Code
(Hex)

Power up Errors

Non-User

Non-

Recoverable

Recoverable

S6

0001

The default program was
loaded.

X

0002

Unexpected reset occurred.

X

0003

EEPROM memory is
corrupt.

X

0008

A fatal internal programming
device error occurred.

X

0009

A fatal internal hardware
error occurred.

X

Fault Classification

User

Address

Error
Code
(Hex)

Going-to-Run (GTR)

Errors

Non-User

Non-

Recoverable

Recoverable

S6

0005

Retentive data is lost.

X

0010

The downloaded program is
not a controller program.

X

0016

Startup protection after
power loss, S:1/9 is set.
The user must check for a
retentive data lost condition
if the user-fault routine was
executed with startup
protection.

X

Going-to-Run errors occur when the controller is going from any mode to REM Run mode or from any
non-Run mode (PRG, SUS) to Test mode.

Reference

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