SHOWTEC Explorer 1200 User's Guide download pdf (Page 25)

Problem Probable cause(s) Remedy

No power to the fixture ·Check that power is switched on and

cables are plugged in.

One or more

fixtures are

completely dead.

Primary fuse blown. ·Replace fuse.

The controller is not connected. ·Connect controller.Fixtures reset

correctly, but all

respond

erratically or not

at all to the

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.

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.

Fixtures reset

correctly, but

some respond

erratically or not

at all to the

controller.

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.

Shutter closes

suddenly

The color wheel, gobo wheel, or a

gobo has lost its index position

and the fixture is resetting the

effect.

·Contact a technician for servicing if

the problem persists.

The power supply settings do not

match local AC voltage and

frequency.

·Disconnect fixture. Check settings

(page 9) and correct if necessary.

No light

Lamp missing or blown ·Disconnect fixture and replace lamp.

Lamp cuts out

intermittently.

Fixture is too hot.

·Allow fixture to cool.

·Clean fan.

·Make sure air vents at control panel

and front lens are not blocked.

·Turn up the air conditioning.

The power supply settings do not

match local AC voltage and

frequency.

·Disconnect fixture. Check settings

(page 9) and correct if necessary.

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SHOWTEC Explorer 1200 User's Guide Page 25

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