Installation manual

Publication 1747-RM001G-EN-P - November 2008
Troubleshooting Faults 16-3
SLC Processor Faults
The processor faults are divided into the following types.
• Powerup errors
• Going-to-run errors
• Run errors
• User program instruction errors
Powerup Errors
Table 16.1 Powerup Errors
Error Code
(Hex)
Description Probable Cause Recommended Action
0001 NVRAM error. • Either noise,
• lightning,
• improper grounding,
• lack of surge suppression on
outputs with inductive loads,
or
• poor power source.
• Loss of battery or capacitor
backup.
Correct the problem, reload the
program, and run. You can use the
autoload feature with a memory
module to automatically reload the
program and enter the Run mode.
0002 Unexpected hardware watchdog
timeout.
• Either noise,
• lightning,
• improper grounding,
• lack of surge suppression on
outputs with inductive loads,
or
• poor power source.
Correct the problem, reload the
program, and run. You can use the
autoload feature with a memory
module to automatically reload the
program and enter the Run mode.
0003 Memory module memory error. This
error can also occur when going to
the REM Run mode.
Memory module is corrupted. Re-program the memory module. If
the error persists, replace the
memory module.
0007 Failure during memory module
transfer.
Memory module is corrupted. Re-program the memory module. If
the error persists, replace the
memory module.