Roubleshooting - Martin MAC 550 Profile User Manual

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T

ROUBLESHOOTING

Problem
One or more of the fixtures is
completely dead.
Fixtures reset correctly but
respond erratically or not at all
to the controller.
Time out error after fixture reset. Effect requires mechanical adjustment.
Mechanical effect loses
position.
No light and "LERR" error
message displayed.
Lamp cuts out intermittently.
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Probable cause(s)
No power to fixture.
Primary fuse blown (located near mains inlet).
Secondary fuse(s) blown (located on PCBs in
base).
Bad data link.
Data link not terminated.
Incorrect addressing of the fixtures.
One of the fixtures is defective and disturbs
data transmission on the link.
XLR pin-out on fixtures does not match (pins
2 and 3 reversed).
Mechanical train requires cleaning,
adjustment, or lubrication.
Lamp blown
Lamp not installed
Lamp access safety switch open
Fixture is too hot.
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Remedy
Check that power is switched on and cables are
plugged in.
Disconnect fixture and replace fuse.
Disconnect fixture. Check fuses and replace.
Inspect connections and cables. Correct poor
connections. Repair or replace damaged cables.
Insert termination plug in output jack of the last
fixture on the link.
Check fixture address and protocol settings.
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.
Install a phase-reversing cable between the fixtures
or swap pins 2 and 3 in the fixture that behaves
erratically.
Disable effects feedback (page 13). Contact Martin
technician for service.
Contact Martin technician for service.
Disconnect fixture and replace lamp.
Disconnect fixture and install lamp.
Verify that lamp access plate is fully seated and
locked in place.
Allow fixture to cool.
Clean fixture.
Reduce ambient temperature.
Table 5: Troubleshooting
Troubleshooting
35

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