Troubleshooting
75
Troubleshooting
Problem
Probable cause(s)
Remedy
One or more of the
fixtures is completely
dead.
Fixture not powered on.
Check that power is switched on and
cables are plugged in.
Primary fuse blown
(located besides the
ballast).
Disconnect fixture and replace fuse.
Secondary fuse(s) blown
(located on PCB inside
the fixture base).
Disconnect fixture. Check fuses on
PCB and replace.
Fixtures reset
correctly but all
respond erratically or
not at all to the
controller.
The controller is
disconnected from the
data link.
Connect controller.
XLR pin-out of the
controller does not match
pin-out of the first fixture
on the link (signal is
reversed).
Install a phase-reversing cable
between the controller and the first
fixture on the link.
Fixtures reset
correctly but some
respond erratically or
not at all to the
controller.
Bad data link connection
Inspect connections and cables.
Correct poor connections. Repair or
replace damaged cables.
Data link not terminated
with
120Ω
termination
plug.
Insert termination plug in output jack
of the last fixture on the link.
Incorrect addressing of
the fixtures.
Check fixture address and protocol
settings.
One of the fixtures is
defective and disturbs
data transmission on the
link.
Bypass one fixture at a time until
normal operation is regained. Have
the defective fixture serviced by a
qualified technician.
XLR pin-out on fixtures
does not match (pins 2
and 3 reversed).
Install a phase-reversing cable
between the fixtures.
Содержание Exterior 600
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