Troubleshooting - Martin MAC 2000 User Manual

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.
No light and "LERR" error
message displayed.
Lamp cuts out intermittently.
32
Probable cause(s)
No power to fixture.
Primary fuse blown (located near mains inlet).
Secondary fuse(s) blown (located on PCB
inside 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).
The transformer settings do not match local
AC voltage and frequency.
Lamp blown
Lamp not installed
Lamp access safety switch open
Lamp too hot to strike
Fixture is too hot.
The transformer settings do not match local
AC voltage and frequency.
Table 4: Troubleshooting
MAC 2000 Wash
Remedy
Check that power is switched on and cables are
plugged in.
Disconnect fixture and replace fuse.
Disconnect fixture. Check fuses on PCB 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.
Disconnect fixture. Check transformer settings and
correct if necessary.
Disconnect fixture and replace lamp.
Disconnect fixture and install lamp.
Verify that lamp access plate is fully seated and
locked in place.
Send a lamp off command. Allow the lamp to cool
for 5 - 10 minutes and try again.
Allow fixture to cool.
Clean air filters.
Reduce ambient room temperature.
Disconnect fixture. Check transformer settings and
correct if necessary.