GE PACSystems RX7i, Cpu Programmer'S Reference Manual

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Chapter 9. Diagnostics
408 PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual GFK-2950C
9.4.8 CPU Hardware Failure (Group 13)
The fault group CPU Hardware occurs when the CPU detects a hardware failure, such as a RAM
failure or a communications port failure.
When a CPU Hardware failure occurs, the OK LED will flash on and off to indicate that the failure was
not serious enough to prevent Controller Communications to retrieve the fault information.
Action: Non-configurable.
6E hex/110 decimal, Time-of-Day Clock not Battery-Backed
The battery-backed value of the time-of-day clock has been lost.
Correction
1) Replace the battery. Do not remove power from the main rack until replacement is complete.
Reset the time-of-day clock using your programming software.
2) Replace the module.
0A8 hex/168 decimal, Critical Over-Temperature Failure
CPU’s critical operating temperature exceeded.
All Others
Correction
Replace the module.
Fault Extra Data for CPU Hardware Failure
For a RAM failure in the CPU (one of the faults reported as a CPU hardware failure), the address of
the failure is stored in the first four bytes of the field.