Martin MAC 101 Series Bedienungsanleitung PDF herunterladen (Seite 35)

Troubleshooting 35

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 con-

troller 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 con-

nection, 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 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 address setting.

One of the fixtures is defective and

disturbs data transmission on the link.

• Bypass one fixture at a time until normal opera-

tion is regained: unplug both connectors and con-

nect 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 fix-

tures 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 prob-

lem persists.

No light and “LERR” 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 6: Troubleshooting

1 2 ... 30 31 32 33 34 35 36 37 38 39

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