Specifications

10–23 Troubleshooting
Publication 1747-6.2
The Following
Error Exists
Probable Cause Recommended Action
Corrupted
Operating System
Memory Module
The operating system on the
Flash EPROM is corrupt.
Cycle power and see if the error
repeats itself. If the error persists,
either contact your Allen-Bradley
representative for a new operating
system memory module, or download
the old operating system.
The Following
Error Exists
Probable Cause Recommended Action
Flash EPROM
Failure
The processor flash is corrupt.
Cycle power and see if the error
repeats itself. If the error clears,
you should be able to download the
operating system. If the error
persists, contact your Allen-Bradley
representative.
The Following
Error Exists
Probable Cause Recommended Action
Corrupt or Missing
Operating System
The operating system is missing
or has been corrupted.
Cycle power. If error clears, you
should be able to download the
operating system. If the error
persists, contact your Allen-Bradley
representative for a new operating
system.
The Following
Error Exists
Probable Cause Recommended Action
Downloadable
Operating
System Failure
Failure during transmission of
downloadable operating system.
Download the operating system.
Refer to the following key to determine the status of
the LED indicators:
Indicates the LED is OFF.
Indicates the LED is ON.
➀
The DH485 LED on the SLC 5/03 processor is labeled DH+ on
the SLC 5/04 processor, and ENET on the SLC 5/05 processor.
POWER
RUN
FLT
BATT
FORCE
DH485
RS232
If the LEDs indicate:
➀
POWER
RUN
FLT
BATT
FORCE
DH485
RS232
If the LEDs indicate:
➀
POWER
RUN
FLT
BATT
FORCE
DH485
RS232
If the LEDs indicate:
➀
POWER
RUN
FLT
BATT
FORCE
DH485
RS232
If the LEDs indicate:
➀