THORLABS TED8 Series Operation Manual page 77

4.2 Troubleshooting
% Are the hard- and/or software limits I
& Adjust the hardware limit I
TED8xxx front panel and the software limit I
propriate values.
$ You don't get the desired operation temperature
% Is the TEC (or heater with the TED8xxx-Kryo) connected properly to the front
connector?
& Check all cables.
& Check the correct polarity (see section 1.7.3)
% Is the temperature sensor connected properly and are his parameters entered
correctly?
& Check the corresponding connections and polarities of the temperature
sensor (refer to chapters 1.7.4, to 1.7.7)
& Check the software-settings in the channel menu
& Select the corresponding temperature sensor.
& Enter the right set-values for resistance (R
$ Set temperature differs from actual temperature (of the laser)
% Is the sensor calibrated properly?
& Enter the right calibration factors (thermistor). Refer to section 2.2.6.
If you don't find the error source by means of the trouble shooting list or if more
modules work
(blueline@thorlabs.com)
checkup and repair to Thorlabs-Germany.
(refer to section 5.4, "Addresses " on page 75
Temperature module TED8xxx / page 70
by means of the potentiometer on the
LIM
erratic please
before sending the whole PRO8000 (-4)/800 system for
and I set to 0?
LIM MAX
in the channel menu to ap-
MAX
,R ) and Temperature (T
S 0
first connect
)
0
the Thorlabs-Hotline