SHOWTEC Galactic 1K20 TXT Manual page 36

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Galactic 1K20 TXT
Problem
Probable cause(s)
One or more
No power to the fixture.
fixtures do not
function at all
Primary fuse blown.
Fixtures reset
The controller is not connected.
correctly, but all
3-pin XLR Out of the controller does
respond erratically
not match XLR Out of the first fixture
or not at all to the
on the link (i.e. signal is reversed).
controller.
Poor data quality
Bad data link connection
Fixtures reset
correctly, but some
Data link not terminated with 120
Ohm termination plug.
respond erratically
or not at all to the
Incorrect addressing of the fixtures.
controller.
One of the fixtures is defective and
disturbs data transmission on the
link.
3-pin XLR Out on the fixtures does
not match (pins 2 and 3 reversed).
The laser diode has lost its index
Shutter closes
position and the fixture is resetting
suddenly
the effect.
Fixture is too hot.
No light or laser
cuts out
Laser damaged
intermittently
The power supply settings do not
match local AC voltage and
frequency.
Ordercode: 51344
Remedy
Check that power is switched on and
cables are plugged in
Replace fuse
Connect controller
Install a phase reversing cable between
the controller and the first fixture on the
link
Check data quality. If much lower than
100 percent, the problem may be a
bad data link connection, poor quality
or broken cables, missing termination
plug, or a defective fixture disturbing
the link
Inspect connections and cables.
Correct poor connections. Repair or
replace damaged cables
Insert termination plug in output jack of
the last fixture on the link
Check address setting
Bypass one fixture at a time until normal
operation is regained: unplug both
connectors and connect them directly
together
Have the defective fixture serviced by a
qualified technician
Install a phase-reversing cable between
the fixtures or swap pin 2 and 3 in the
fixture, that behaves erratically
Contact a technician for servicing, if
the problem persists
Allow fixture to cool
Make sure air vents at control panel
and front lens are not blocked
Turn up the air conditioning
Disconnect fixture and return to your
dealer
Disconnect fixture. Check settings and
correct if necessary
35

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