Chapter 9. Diagnostics416 PACSystems* RX7i, RX3i and RSTi-EP CPU Programmer's Reference Manual GFK-2950C9.4.17 CPU Over-Temperature (Group 24)Default action: Diagnostic. Configurable.1, Over-Temperature failure.CPU’s normal operating temperature exceeded.CorrectionTurn off CPU to allow heat to disperse and install a fan kit to regulate temperature.9.4.18 Power Supply Fault (Group 25)Action: Non-configurable.1, Power supply failure.Unknown power supply failure.CorrectionReplace power supply module.2, Power supply overloadedThe load on the power supply has reached its rated maximumCorrectionReplace power supply with a higher capacity model or reconfigure system to reduce load on powersupply.3, Power supply switched offThe switch on the power supply was moved to the OFF position.4, Power-supply has exceeded normal operating temperatureThe temperature of the power supply is a just a few degrees from causing it to turn off.CorrectionTurn off system to allow heat to disperse. Install a fan kit to regulate temperature.9.4.19 No User Program on Power-Up (Group 129)The fault group No User Program on Power-Up occurs when the CPU powers up with its memorypreserved but no user program exists in the CPU. The CPU detects the absence of a user program onpower-up; the controller stays in STOP Mode.Action: Non-configurable.CorrectionDownload an application program before attempting to go to RUN Mode.
