Memory faults can me identified during startup process. After the device is powered on, the device detects the memory, loads the base BootROM and extended BootROM, and loads the system software. Failure in any of the processes may cause startup failure.
Error message " RAM Test Failed! Halting ... "
"Error: Unable to locate a working CMD and/or SLV_CMD strobe configuration for this channel"
Above errors indicates that memory card is broken. If firewall is no longer in warranty chassis can be opened, then remove and insert memory card or replace with another one.