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
- 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
- Incompatible or malfunctioning expansion modules may display the CPU light as a steady ON or ON and then completely OFF
- 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.
