Here is the simple break-in to get the codes:
REMEMBER::::::
If you pull the breakers in the air as a matter of troubleshooting, the codes are lost!
If you land and power down airplane, the codes are lost!
If you are using this diagnostic on the ground after powerdown, YOU ARE WASTING YOUR TIME! It’s like giving a dog investment advise. It’s not helpful, and it anoys the dog.
Here is the Spreadsheet that unwraps the Hex code to plain english…. or as plain english as a Honeywell engineer can make it.
This one runs under Libre Office:
SPZ-8000-Flight-Fault-Summary .ods
This one runs under excel:
SPZ-8000-Flight-Fault-Summary – this one is from Augusta
I think these spreadsheets were written by Terry Markovich. Genius that ran Duncan TEB back in the day. Super clever.
here is an example fault code
Plain Text trouble shooting book: