SHOWTEC LED Wash Ultra Bright RGB User's Guide download pdf (Page 16)

No Response to DMX

Response: Suspect the DMX cable or connectors, a controller malfunction, a light effect DMX card

malfunction.

1. Check the DMX cable: Unplug the unit; change the DMX cable; then reconnect to electrical power.

Try your DMX control again.

2. Determine whether the controller or light effect is at fault. Does the controller operate properly with

other DMX products ? If not, take the controller in for repair. If so, take the DMX cable and the light

effect to a qualified technician.

See below for more problem solving.

Problem

Probable cause(s)

Remedy

One or more

fixtures are

completely dead.

No power to the fixture

· Check that 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 XLR Out of the controller

does not match XLR Out 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 output jack

of the last fixture on the link.

Incorrect addressing of the fixtures.

· Check address setting.

One of the fixtures is defective and

disturbs data transmission on the

link.

· 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.

3-pin XLR 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

The power supply settings do not

match local AC voltage and

frequency.

· Disconnect fixture. Check settings

and correct if necessary.

LEDs damaged

· Disconnect fixture and return to your

dealer.

The power supply settings do not

match local AC voltage and

frequency.

· Disconnect fixture. Check settings

and correct if necessary.

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SHOWTEC LED Wash Ultra Bright RGB User's Guide Page 16

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