4.5 Trouble-shooting
ITC500 / page 103
4.5 Trouble-shooting
Unit does not work at all (no display on the mainframe):
Controller connected properly to the mains?
Connect the ITC5xx to the power line, take care of the right voltage setting.
ITC5xx controller turned on?
Turn on the unit with the key mains-switch.
Control the fuse at the rear panel of the ITC5xx.
If the fuse has opened, replace the fuse by the correct type
(refer to 4.4, "Exchanging the line fuse" on page 101)
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 1.9.9, “Connecting interlock and status LED ” on page29)
Do you have turned on the laser output?
Change the status setting from “off” to “on” either manually or by the
remote command
":LASER ON".
The LED “ON”
on the front panel of the unit must be on
Is the hardware limit I
LD
LIM
set to 0?
Adjust the hardware limit I
LD LIM
by means of the potentiometer on the
ITC5xx front panel to an appropriate value.
Is the laser diode installed properly?
Control the connection cable.
Is the laser diode poled correctly?
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