Martin MAC 500 Bedienungsanleitung PDF herunterladen (Seite 39)

Troubleshooting 39

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 (located near mains inlet). Disconnect fixture and replace fuse.

Secondary fuse(s) blown (located on PCBs in

base).

Disconnect fixture. Check fuses and replace.

Fixtures reset correctly but

respond erratically or not at all

to the controller.

Bad data link.

Inspect connections and cables. Correct poor

connections. Repair or replace damaged cables.

Data link not terminated.

Insert termination plug in output jack of the last

fixture on the link.

Incorrect addressing of the fixtures. Check fixture address and protocol settings.

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 the XLR in and out connectors

and connect them directly together. Have the 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.

Time out error after fixture reset. Effect requires mechanical adjustment.

Disable effects feedback (page 13). Contact Martin

technician for service.

Mechanical effect loses

position.

Mechanical train requires cleaning,

adjustment, or lubrication.

Contact Martin technician for service.

No light and “LERR” error

message displayed.

Lamp blown Disconnect fixture and replace lamp.

Lamp not installed Disconnect fixture and install lamp.

Lamp access safety switch open

Verify that lamp access plate is fully seated and

locked in place.

Lamp cuts out intermittently. Fixture is too hot.

Allow fixture to cool.

Clean fixture.

Reduce ambient temperature.

Table 5: Troubleshooting

1 2 ... 34 35 36 37 38 39 40 41 42

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