23
Order code: 34011
ACT Fresnel 50 WW
Problem
Probable cause(s)
Solution
One or more fixtures
do not function at all
No power to the fixture
●
Check if power is switched on and
cables are plugged in
Primary fuse blown
●
Replace fuse
Fixtures reset
correctly, but all
respond erratically or
not at all to the
controller
The controller is not connected
●
Connect controller
3-pin DMX OUT of the controller
does not match DMX IN of the first
fixture on the link (i.e. 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
Poor data quality
●
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
Bad data link connection
●
Inspect connections and cables.
Correct poor connections. Repair or
replace damaged cables
Data link not terminated with
120 Ohm termination plug
●
Insert termination plug in the DMX OUT
connector of the last fixture on the link
Incorrect addressing of the fixtures
●
Check address settings
One of the fixtures is defective and
disturbs data transmission on the
link
●
Bypass one fixture at a time until
normal operation is restored: unplug
both connectors and connect them
directly together
●
Have the defective fixture serviced by
a qualified technician
3-pin DMX OUT on the fixtures does
not match (pins 2 and 3 reversed)
●
Install a phase-reversing cable
between the fixtures or swap pin 2 and
3 in the fixture that behaves erratically
No light or LEDs cut
out intermittently
Fixture is too hot
●
Allow the fixture to cool down
●
Turn up the air conditioning
LEDs are damaged
●
Disconnect the fixture and return it to
your dealer
The power supply settings do not
match local AC voltage and
frequency
●
Disconnect fixture. Check settings and
correct if necessary
