4.2 Troubleshooting
MLC8xxx / page 67
You don’t get the desired laser output power
Is the interlock closed?
Control the resistance between the interlock pins of the connector jack not
to be more than 430
Ω
.
(refer to section 1.7.6, “ Connecting interlock and status display” on page
21)
Do you have selected the desired module?
(The LED “SEL” on the front panel of the module must be on)
Select the desired module on the display by means of the up- and down
arrow keys.
Do you have selected the desired port?
Select the desired port for input on the display by means of the up- and
down arrow keys or by the
":PORT <NR1>"
command.
Do you have turned on the laser output in the main menu or one of the sub-
menus?
Change the status setting from “off” to “on”.
The LED “ON” on the front panel of the module must be on
Is the hardware limit I
LIM
set to 0?
Adjust the hardware limit I
LIM
by means of the potentiometer on the
MLC8xxx front panel
Is the laser current I
PS
of the corresponding port set to 0?
Adjust the laser current in the channel menu to the desired value.
Is the laser diode installed properly?
Control the connection cable.
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