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Expansion module CPU light indications

Issue

The CPU light condition allows for limited troubleshooting of Expansion Modules

Environment

Continuum

i2 controllers

b3 controllers

BCX

B4920

ACX 57xx

Cause

Expansion modules require troubleshooting and the CPU light offers some information

Resolution

  1. The expansion module closest to the controller will blink once at a 2Hz rate. A second module connected to the first expansion module will display 2 short blinks every 2 seconds
  2. Incompatible or malfunctioning expansion modules may display the CPU light as a steady ON or ON and then completely OFF
  3. When main power supply does not provide enough power for the controller and connected expansion modules, the CPU light of expansion module display a steady ON.
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Version history
Revision #:
1 of 1
Last update:
2 weeks ago
Updated by: