Martin MAC 250+ Manual de usuario descargar pdf (Pagina 46)

46 MAC 250 Krypton/Entour

T

ROUBLESHOOTING

Problem Probable cause(s) Remedy

One or more of the fixtures

is completely dead.

No power to fixture.

• Check that power is switched on and cables

are plugged in.

Primary fuse blown. • Replace fuse.

Secondary fuse(s) blown (located on

PCB inside base).

• Check fuses on PCB and replace.

Fixtures reset correctly but

all respond erratically or

not at all to the controller.

The controller is not connected. • Connect controller.

XLR pin-out of the controller does not

match pin-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 (page 13). If much under

100 percent, the problem may be a bad data

link connection, poor quality or broken

cabling, missing termination, or a defective

fixture disturbing the link.

Bad data link connection

• Inspect connections and cables. Correct

poor connections. Repair or replace dam-

aged 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 connec-

tors and connect them directly together.

• 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 or swap pins 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 Martin technician for service if the

problem persists.

No light and

 error

message displayed.

The power supply settings do not

match local AC voltage and frequency.

• Disconnect fixture. Check settings (“AC

power” on page 7) and correct if necessary.

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 (“AC

power” on page 7) and correct if necessary.

Table 8: Troubleshooting

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