Appendix
D
LDC-3700
Series Laser Diode Controller Error Messages
Introduction
Error rncssagcs may appear on the TEC or LASER displays when error conditions occur
in
the respective functions
of the LDC-3700 Series Laser Diode Controller. For example, a current limit error
in
the
TEC
side of the
LDC-
LDC-3700
Series Laser Diode Controllcr will be displayed on the TEC display.
In
most cases. the error message n~ll appear for three seconds and then the display will revert to its former state.
In
tl~
zise
of
mult~ple error messages, the LDC-3700 Series Laser Diode Controller will show each message for three
seconds In
succession.
In reniotc operation. the current error list can be read by issuing the
"ERR?"
query. When this is done, a string will
bc returned containing all of the error messages whch are currently in the error message queue.
T,~ble
D
2
contams all of the error messages which may
be
generated
by
the LDC-3700 Series Laser Diode
Controller
Not
all of these messages may appear on the front panel displays. Some refer to GPIB activities only,
lor
c.\:l~~~plc
The errors codcs are numerically dividcd into areas of operation. Errors which pertain to the following areas are
l~sted
In
the ranges shown in Table D.1.
ERROR CODE CLASSIFICATIONS
Error Code Range Area of O~eration
E-00
1
to
E-099
Internal Program Errors
E-100 to E-199 Parser Errors
E-200
to E-299
Execution Control Errors
E-300
to
E-399
GPIB Errors
E-100 to
E-199
TEC Control Errors
E-500
to
E-599
LASER Control Errors
Table
D.l
Error Code Classifications
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