216 – Reference
Error Messages from the Source Optics Module
The error messages generated by the SOM are listed in Table 24, with actions to take when the
messages appear.
Table 24: SOM Error Messages
Error Message
Significance
Action
Increase Span
The required number of
triggers are not being
generated.
Verify that the laser is connected
to the SOM input and that it is
functional. If so, increase the stop
wavelength by 1 nm. If the
problem persists, call the service
hotline.
VE
A value error is detected by the
laser.
No operator action is required.
The SOM recovers from this type
of error.
CE
A command error is detected
by the laser.
No operator action is required.
The SOM recovers from this type
of error.
Laser Timeout
The laser is not responding to
commands.
Check the RS232 connection
between the SOM (AUX1) and the
laser. Verify that the correct cable
is in use.
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