© 2018 Thorlabs
92
ITC4000 Series
6.6.3 Instrument errors
Switch Off / Output Protection Errors
Error
Description
The instrument is too hot
The laser output and the TEC output were switched
off because the instrument is internally overheated
LD output switched off due to Key
switch
The laser output was switched off because the key
switch was moved to “locked” position
Open interlock circuit detected
The laser output was switched off because the inter-
lock connection was opened
LD inhibit input was tripped
The laser output was switched off because the level of
the “LD ENABLE IN” input was changed to LOW
LD temperature protection detected
The laser output was switched off because the tem-
perature protection was tripped
LD output voltage protection was
tripped
The laser output is switched off. This can be caused
by a too low laser voltage threshold or an incorrect
laser diode wiring. Please check polarity, wiring, and
the laser voltage protection
TEC output voltage protection was
tripped
The TEC output was switched off because the output
compliance voltage was exceeded
Temperature sensor failure detected
The TEC output was switched off because a tempera-
ture sensor error occured
TEC cable connection failure detec-
ted
The TEC output was switched off because the inter-
lock connection was opened
PID Auto-Tune finished
The PID Auto-Tune procedure is finished, check the
status information in the Auto-Tune Menu
Other Instrument Errors
Error
Description
Instrument is overheated
The units internal temperature is too high. The laser
output and the TEC output are switched off and can
be switched on again after a temperature drop of
about 10 degrees.
Not permitted with LD Output on
Operation is not allowed while the laser output is
switched on. This applies to the laser current limit, the
used sensor limits, and the sensor ranges.
Interlock circuit open
Operation is not allowed while the interlock protection
is tripped. This can be caused by an incorrect wiring or
an open external safety switch.
Key switch is in locked position
Operation is not possible, when locked by the front
panel key switch. This avoids an unauthorized usage
of the laser driver
Содержание ITC4000 Series
Страница 1: ...Laser Diode Current and Temperature Controller ITC4000 Series Operation Manual 2018 ...
Страница 2: ...Copyright 2018 Thorlabs Version Date Item No 3 9 10 Jul 2018 M0009 510 312 ...
Страница 91: ... 2018 Thorlabs 6 Appendix 89 Set Value Factory Setting Line Frequency Auto Update Capability Disabled ...
Страница 105: ...www thorlabs com ...