Rockwell Automation 1747-PTxx Getting Started Guide for HHT - Manual (Page 61)

Appendix B
Troubleshooting Errors
B–4
The table below details some of the processor error codes. Refer to the HHT
manual for a complete list of error codes and troubleshooting information.
Error Code Cause Corrective Action
0001
RAM program is corrupt due to
noise, lightning, improper
grounding, or loss of capacitor or
battery back–up. Check wiring, layout, and grounding. If using a 4K
CPU, verify that a battery is installed to retain RAM
memory when power is removed. See CPU
FAULT–Flashing under system LED status. Down-
load the program using the HHT.
0012
RAM program is corrupt or RAM
itself is bad due to noise, light-
ning, improper grounding, or loss
of capacitor or battery back–up. Check wiring, layout, grounding. If using a 4K CPU,
verify that a battery is installed to retain RAM
memory when power is removed. See CPU
FAULT–flashing under system LED status. Down-
load the program using HHT.
XX50, XX51, XX52
XX53, XX54, XX55
(xx = slot #)
I/O module configuration/conflict
or runtime problem. Verify that processor configuration matches your
hardware. See chapter 3 on configuring for key-
strokes. Also see CPU FAULT — Flashing — under
System LED status.
0056 Rack configuration error.
Verify that rack configuration in your program
matches your hardware. See chapter 3 on configur-
ing for keystrokes. If multiple rack system, verify
proper installation of rack interconnect cable. See
CPU FAULT — Flashing — under system LED sta-
tus.
Processor Error Codes