14 SLC 500™ Fixed Hardware Style Controllers
Publication 1747-IN008B-MU-P
Regardless of any other LED status indicator
conditions, always replace the battery when the
BATTERY LOW LED is on if you want RAM
battery backup.
Probable Cause Recommended Action
CPU Memory Error
or Faulty CPU
Cycle power. If the steady CPU FAULT
LED reappears, replace the controller.
Faulty Memory
Module
1. Remove power and then remove
the memory module from the
controller.
2. Re-energize the controller.
If steady CPU FAULT LED changes to
flashing, replace the existing memory
module with a replacement module.
Processor Firmware
Installed Incorrectly
If upgrading the processor to a
different firmware level, verify that
the firmware chip orientation
matches the upgrade kit directions.
POWER
PC RUN
CPU FAULT
FORCED I/O
BATTERY LOW
Error Type:
CPU Fault
POWER
PC RUN
CPU FAULT
FORCED I/O
BATTERY LOW
Indicates the LED is off.
Indicates the LED is on.
Indicates the LED is flashing
Refer to the following key to determine the status of the LED indicators:
To Next Page
Loading...
