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UGC007/0702 Basic 32 Loader Control
D-2
Fault Messages and Error Codes
Manually Clearing Faults Using the Fault Routine
The occurrence of recoverable or non-recoverable user faults can cause
the user fault subroutine to be executed. If the fault is recoverable, the
subroutine can be used to correct the problem and clear the fault bit S:1/
13. The controller then continues in the Run or test mode.
The subroutine does not execute for non-user faults. See User Fault
Routine on page 18-6 for information on creating a user fault subroutine.
Fault Messages
This section contains fault messages that can occur during operation of
the MicroLogix 1200 and MicroLogix 1500 programmable controllers. Each
table lists the error code description, the probable cause, and the
recommended corrective action.
Error
Code
(Hex)
Advisory Message
Description
Fault
Classification
Recommended Action
0001
NVRAM ERROR
The default program is loaded to the
controller memory. This occurs:
•
if a power down occurred during
program download or transfer
from the memory module.
•
RAM integrity test failed.
•
FLASH integrity test failed
(MicroLogix 1200 only).
Non-User
•
Re-download or transfer the program.
•
Verify battery is connected
(MicroLogix
1500 only)
.
•
Contact your Conair Service
representative if the error persists.
0002
UNEXPECTED RESET
•
The controller was unexpectedly
reset due to a noisy environment
or internal hardware failure.
•
The default program is loaded.
(MicroLogix 1500 only)
•
Retentive Data is lost. See page
C-12.
(MicroLogix 1200 only)
Non-User
•
Refer to proper grounding guidelines and
using surge suppressors in your controller’s
User Manual.
•
Verify battery is connected
(MicroLogix
1500 only)
.
•
Contact your Conair service
representative if the error persists.
0003
MEMORY MODULE
USER PROGRAM IS
CORRUPT
Memory module memory error. This
error can also occur when going to
the Run mode.
Non-User
Re-program the memory module. If the error
persists, replace the memory module.
0004
MEMORY INTEGRITY
ERROR
While the controller was powered
up, ROM or RAM became corrupt.
Non-User
•
Cycle power on your unit. Then,
re-download your program and start up
your system.
•
Refer to proper grounding guidelines and
using surge suppressors in your controller’s
User Manual.
•
Contact your Coniar Service
representative if the error persists.
Summary of Contents for Basic 32 Loader Control B32
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