
11
“N” NVM Invalid
This fault is indicated by the display showing a “N”. NVM stands for Non Volatile
Memory.
Potential causes for the “N” NVM Invalid fault
• Corrupt configuration file
• Corrupt flash file
• DSP is non operational
“N” “NVM Invalid”
Notes
Download
known good
Configuration file
Yes
Yes
No
Return to Operation
Return to Operation
Use Reset P/B
to Reset
No
"N" Fault
NVM Invalid
Update Module or
Base Drive
to latest
Flash (.fsh) file
No
DSP
Non Operational
Yes
Return to Operation
Return to Factory End
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