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Diagnostics
AM700 Audio Measurement Set Service Manual
6–31
Exception errors occurring during step 1 (Address space probe) will:
Display an error message sequence on the Diagnostic LED display,decoded
as follows:
An “E” will precede the exception number (0–255).
A “P” will precede the Probe step number (see Table 6–9).
Numbers are shown as a sequence of decimal digits, separated by
decimal points (to allow detecting repetition of digits), most significant
digit to least significant.
For example, a bus error (exception 2) occurring during probe step 15
would display the following sequence:
E", 2", P", 1", .", 5".
If the error is considered critical:
Jump to the startup code (warm reboot).
Otherwise:
Continue testing
Exception errors occurring during steps 2 through 16 will:
Display an error message sequence on the Diagnostic LED display, 2 times
through.
The error message is decoded as follows:
An “E” precedes the exception number (0–255).
A dash/minus sign precedes the boot step number.
Numbers are shown as a sequence of decimal digits, separated by
decimal points (to allow detecting repetition of digits), most significant
digit to least significant.
For example, a divide by zero error (exception 5) occurring during boot
step 15 would display the following sequence twice through.
E", 5", Ć", 1", .", 5"
Jump to the startup code (warm reboot).
Exception errors occurring after step 16 will:
Display an error message on the instrument screen (or to the serial port).
Wait for user acknowledgement.